Selected publications from 2014 onward

Journal Papers

• Inn Jynn Teh, Lutfi Kurnianditia Putri, Chong Siang Yaw, Wen Cai Ng, Meng Nan Chong, Siang-Piao Chai* (2025) Engineering high-performance BiVO4 homo-and heterojunction Photoanodes for solar-driven Photoelectrochemical water splitting applications. Coordination Chemistry Reviews 541, 216773. (doi.org/10.1016/j.ccr.2025.216773)

•  Inn Jynn Teh, Lutfi Kurnianditia Putri, Wen Cai Ng, Chong Siang Yaw, Nur Azimah Abd Samad, Zi Kang Koi, Siti Nur Amira Shaffee, Meng Nan Chong, Siang-Piao Chai* (2025) Synergistic Effects of Ferrihydrite and Cobalt (Oxy)Hydroxide on BiVO4 for Unbiased Photoelectrochemical Water Splitting. Energy & Fuels 39(31), 15104–15114 (doi.org/10.1021/acs.energyfuels.5c01929)

•  Chen-Chen Er, Lutfi K Putri, Yee Sin Ang, Hui Ying Yang, Siang-Piao Chai* (2025) Interpretable machine learning framework: Predicting catalytic activities of complex photocatalysts towards CO2 conversion. Materials Today Physics (57), 101800 (doi.org/10.1016/j.mtphys.2025.101800)

• Wei-Kean Chong, Boon-Junn Ng, Xin Ying Kong, Jingxiang Low, Hing Wah Lee, Lling-Lling Tan, Siang-Piao Chai* (2025)  Unleashing the solar-driven overall water-splitting potential for green ZnIn2S4 Chem Catalysis 5(3), 101227 (10.1016/j.checat.2024.101227)

• Steven Hao Wan Kok, Wei‐Kean Chong, Justin Khor, Rui Liu, Lian See Tan, Jingxiang Low, Yun Hau Ng, Xin Ying Kong, Wee‐Jun Ong, Siang‐Piao Chai, Lling‐Lling Tan (2025) Boosted Scavenger-Free Overall Nitrogen Photofixation with Molybdenum Incorporated Bismuth-Rich Oxychlorides. Small 21(17), 2501119 (doi.org/10.1002/smll.202501119)

• Jiale Lee, Geoffrey IN Waterhouse, Yu Mao, Ziyun Wang, Enquan Zhu, Jingxiang Low, Siang-Piao Chai, Lling-Lling Tan (2025) Lead-free halide perovskites and Bi-BTC frameworks: Engineering S-scheme heterojunctions for photocatalytic CO2 conversion. Applied Catalysis B: Environment and Energy 365, 124942. (doi.org/10.1016/j.apcatb.2024.124942)

• Jing Guo, Jianzhong Ma, Junli Liu, Guanjie Huang, Xiaoting Zhou, Francesco Parrino, Riccardo Ceccato, Leonardo Palmisano, Boon-Junn Ng, Lutfi Kurnianditia Putri, Huaxing Li, Rongjie Li, Gang Liu, Yang Wang, Nikolay Kornienko, Shan-Shan Zhu, Zhenwei Zhang, Xiaoming Liu, Nur Atika Nikma Dahlan, Siang-Piao Chai*, Jianmin Ma (2025) Two-dimensional nanomaterials for environmental catalysis roadmap towards 2030. Chinese Chemical Letters 36(9) 1109888 (doi.org/10.1016/j.cclet.2025.110988)

• Chen-Chen Er, Lutfi K Putri, Yee Sin Ang, Siang-Piao Chai* (2025) Unveiling fundamental first-principles insights into single-atom transition metal photocatalysts for carbon dioxide reduction. Fuel 382, 133746 (doi.org/10.1016/j.fuel.2024.133746)

• Cheng-May Fung, Boon-Junn Ng, Yi-Hao Chew, Chen-Chen Er, Jingxiang Low, Xuecheng Guo, Xin Ying Kong, Lling-Lling Tan, Hiroshi Onishi, Abdul Rahman Mohamed, Siang-Piao Chai* (2024). MXene quantum dot-sensitized heterostructures for broad solar spectrum CO2 reduction. Cell Reports Physical Science 5(11) 102296 (doi.org/10.1016/j.xcrp.2024.102296)

• Chen‐Chen Er, Cheng‐May Fung, Wei‐Kean Chong, Yong Jieh Lee, Lling‐Lling Tan, Yee Sin Ang, Nikhil V Medhekar, Siang‐Piao Chai* (2024). Computational Design of 2D Phosphorus Nanostructures for Renewable Energy Applications: A Review. Advanced Electronic Materials 10(7) 2300689.(doi.org/10.1002/aelm.202300869)

• Wei-Kean Chong, Boon-Junn Ng, Lling-Lling Tan, and Siang-Piao Chai* (2024). A compendium of all-in-one solar-driven water splitting using ZnIn2S4-based photocatalysts: guiding the path from the past to the limitless future. Chemical Society Reviews 53(20), 10080-10146. (doi.org/10.1039/D3CS01040F)

• Boon-Junn Ng, Lutfi Kurnianditia Putri, Wei-Kean Chong, Siang-Piao Chai (2024). Breaking boundaries of soft photocatalysis: overcoming limitations of carbon nitride as a single-light absorber for overall water splitting. Journal of Materials Chemistry A 12, 23971-24004 (doi.org/10.1039/D4TA03163F).

• Jiale Lee, Enquan Zhu, Steven Hao Wan Kok, Wei-Kean Chong, Jingxiang Low, Akshat Tanksale, Siang-Piao Chai, Lling-Lling Tan (2024) Bimetallic B-Site Halide Perovskites for Enhanced Photocatalytic CO2 Reduction. ACS Sustainable Chemistry & Engineering 12(36) 13427-13437 (doi.org/10.1021/acssuschemeng.4c01348) 

• Jiale Lee, Siang-Piao Chai, and Lling-Lling Tan (2024). Perovskite Paradigm Shift: A Green Revolution with Lead-Free Alternatives in Photocatalytic CO2 Reduction. ACS Energy Letters 9 (4), 1932-1975 (doi.org/10.1021/acsenergylett.4c00416)

• Wei-Kean Chong, Boon-Junn Ng, Yong Jieh Lee, Lling-Lling Tan, Lutfi Kurnianditia Putri, Jingxiang Low, Abdul Rahman Mohamed, and Siang-Piao Chai* (2023) Self-activated superhydrophilic green ZnIn2S4 realizing solar-driven overall water splitting: Close-to-unity stability for a full daytime. Nature Communications 14, 7676. (doi.org/10.1038/s41467-023-43331-x) 

• Boon-Junn Ng, Lutfi Kurnianditia Putri, Wei-Kean Chong, Siang-Piao Chai (2024). Breaking boundaries of soft photocatalysis: overcoming limitations of carbon nitride as a single-light absorber for overall water splitting. Journal of Materials Chemistry A 12, 23971-24004 (doi.org/10.1039/D4TA03163F).

• Jiale Lee, Enquan Zhu, Steven Hao Wan Kok, Wei-Kean Chong, Jingxiang Low, Akshat Tanksale, Siang-Piao Chai, Lling-Lling Tan (2024) Bimetallic B-Site Halide Perovskites for Enhanced Photocatalytic CO2 Reduction. ACS Sustainable Chemistry & Engineering 12(36) 13427-13437 (doi.org/10.1021/acssuschemeng.4c01348) 

• Jiale Lee, Siang-Piao Chai, and Lling-Lling Tan (2024). Perovskite Paradigm Shift: A Green Revolution with Lead-Free Alternatives in Photocatalytic CO2 Reduction. ACS Energy Letters 9 (4), 1932-1975 (doi.org/10.1021/acsenergylett.4c00416)

• Wei-Kean Chong, Boon-Junn Ng, Yong Jieh Lee, Lling-Lling Tan, Lutfi Kurnianditia Putri, Jingxiang Low, Abdul Rahman Mohamed, and Siang-Piao Chai* (2023) Self-activated superhydrophilic green ZnIn2S4 realizing solar-driven overall water splitting: Close-to-unity stability for a full daytime. Nature Communications 14, 7676. (doi.org/10.1038/s41467-023-43331-x) 

• Chuin Wei Tan, Linqiang Xu, Chen Chen Er, Siang-Piao Chai, Boris Kozinsky, Hui Ying Yang, Shengyuan A. Yang, Jing Lu, Yee Sin Ang (2023) Toward Sustainable Ultrawide Bandgap van der Waals Materials: An ab initio Screening Effort. Advanced Functional Materials, 334(11) 2308679. (doi.org/10.1002/adfm.202308679) 

• Cheng-May Fung, Boon-Junn Ng, Chen-Chen Er, Wei-Kean Chong, Jingxiang Low, Xuecheng Guo, Xin Ying Kong, Hing Wah Lee, Lling-Lling Tan, Abdul Rahman Mohamed, Siang-Piao Chai* (2023) Engineering Nanoscale Homo–Heterojunction for Robust Z‐Scheme CO2 Conversion through Synchronous Amalgamation of Oxygen‐Defective Ultrathin BiVO4 and Red/Black Phosphorus. Small Structures, 2300083 (doi.org/10.1002/sstr.202300083)

• Nur Atika Nikma Dahlan, Lutfi Kurnianditia Putri, Chen-Chen Er, Boon-Junn Ng, Chien Wei Ooi, Lling-Lling Tan, Siang-Piao Chai* (2023). Effective Low-Powered Photocatalytic Disinfection via Synchronous Introduction of Oxygen Dopants and Carbon Defects in Carbon Nitride. ACS Applied Materials Interfaces 15(46), 53371–53381. (doi.org/10.1021/acsami.3c10243)

• Michell KT Chee, Boon-Junn Ng, Wei-Kean Chong, Lling-Lling Tan, Wei Sea Chang, Siang-Piao Chai* (2023). Unravelling the Charge Dynamics of a Molecular Photosensitizer of ZnPc on Polymeric g-C3N4 for Superior Photocatalytic Hydrogen Evolution from Seawater Splitting. ACS Applied Energy Materials, 6(15). 7935–7943 (doi.org/10.1021/acsaem.3c01014) 

• Jiale Lee, Wei‐Kean Chong, Steven Hao Wan Kok, Boon‐Junn Ng, Xin Ying Kong, Siang‐Piao Chai, Lling‐Lling Tan (2023). Mixed Halide Formation in Lead-Free Antimony-Based Halide Perovskite for Boosted CO2 Photoreduction: Beyond Band Gap Tuning. Advanced Functional Materials, 33(42) 2303430 (doi.org/10.1002/adfm.202303430)

• Yong Jieh Lee, Wei-Kean Chong, Lutfi Kurnianditia Putri, Boon-Junn Ng, Lling-Lling Tan, Ta Yeong Wu, Siang-Piao Chai* (2023). Complementary conjugated piezo-phototronic polarized blue TiO2 - KNN for piezophotocatalytic degradation of tetracycline enhanced under gentle oscillatory hydrodynamic disturbances. Applied Catalysis B: Environmental, 334, 122836 (doi.org/10.1016/j.apcatb.2023.122836).

• Jie-Yinn Tang, Chen-Chen Er, Xin Ying Kong, Boon-Junn Ng, Yi-Hao Chew, Lling-Lling Tan, Abdul Rahman Mohamed, Siang-Piao Chai* (2023). Two-Dimensional Interface Engineering of g-C3N4/g-C3N4 Nanohybrid: Synergy Between Isotype and pn Heterojunctions for Highly Efficient Photocatalytic CO2 Reduction. Chemical Engineering Journal, 466, 143287 (doi.org/10.1016/j.cej.2023.143287)

• Boon-Junn Ng, Wei Kean Chong, Lutfi Kurnianditia Putri, Xin Ying Kong, Jingxiang Low, Hing Wah Lee, Lling-Lling Tan, Wei Sea Chang, Siang-Piao Chai* (2023). Heteroatom P filling activates intrinsic S atomic sites of few-layered ZnIn2S4via modulation of H adsorption kinetics for sacrificial agent-free photocatalytic hydrogen evolution from pure water and seawater. Journal of Materials Chemistry A, 11, 17079-17090 (doi.org/10.1039/D2TA08789H)

• Steven Hao Wan Kok, Jiale Lee, Wei-Kean Chong, Boon-Junn Ng, Xin Ying Kong, Wee-Jun Ong, Siang-Piao Chai, Lling-Lling Tan (2023). Bismuth-rich Bi12O17Cl2 nanorods engineered with oxygen vacancy defects for enhanced photocatalytic nitrogen fixation. Journal of Alloys and Compounds, 952, 170015 (doi.org/10.1016/j.jallcom.2023.170015)

• Jiale Lee, Steven Hao Wan Kok, Boon-Junn Ng, Xin Ying Kong, Lutfi Kurnianditia Putri, Siang-Piao Chai, Lling-Lling Tan (2023). Hole scavenger-free nitrogen photofixation in pure water with non-metal B-doped carbon nitride: Implicative importance of B species for N2 activation. Journal of Environmental Chemical Engineering, 11(2), 109511 (doi.org/10.1016/j.jece.2023.109511)

• Lutfi K. Putri, Boon-Junn Ng, Ryan Yow Zhong Yeo, Wee-Jun Ong, Abdul R. Mohamed and Siang-Piao Chai* (2023) Engineering Nickel Phosphides for Electrocatalytic Hydrogen Evolution: A Doping Perspective. Chemical Engineering Journal 461, 141845 (doi.org/10.1016/j.cej.2023.141845). 

• Wei-Kean Chong, Boon-Junn Ng, Xin Ying Kong, Lling-Lling Tan, Lutfi Kurnianditia Putri, Siang-Piao Chai* (2023). Non-metal doping induced dual p-n charge properties in a single ZnIn2S4 crystal structure provoking charge transfer behaviors and boosting photocatalytic hydrogen generation. Applied Catalysis B: Environmental, 325, 122372 (doi.org/10.1016/j.apcatb.2023.122372) 

• Zheng Hao Tan, Xin Ying Kong, Boon-Junn Ng, Han Sen Soo, Abdul Rahman Mohamed, Siang-Piao Chai* (2023). Recent Advances in Defect-Engineered Transition Metal Dichalcogenides for Enhanced Electrocatalytic Hydrogen Evolution: Perfecting Imperfections. ACS Omega, 8, 2, 1851–1863 (doi.org/10.1021/acsomega.2c06524)

• Yee Wen Teh, Wei Kean Chong, Chen-Chen Er, Xin Ying Kong, Boon-Junn Ng, Siek Ting Yong, Siang-Piao Chai* (2023). Sensitization of Bismuth Tungstate with Magnesium Phthalocyanine for Photoinduced Charge Redistribution and Electron Localization: CO2 Photoreduction from Vis to NIR Region. Journal of Materials Chemistry C, 11 (2), 705-711 (doi.org/10.1039/D2TC03859E)

• L Chang, S-T Yong, S-P Chai, LK Putri, L-L Tan, AR Mohamed (2023). A review of methanol photoreforming: elucidating the mechanisms, photocatalysts and recent advancement strategies. Materials Today Chemistry, 27, 101334 (doi.org/10.1016/j.mtchem.2022.101334)

• Jiale Lee, Xin Yu Tan, Boon-Junn Ng, Xin Ying Kong, Siang-Piao Chai, Lling-Lling Tan (2023) Cyano group modified graphitic carbon nitride with K intercalation for sustainable photodegradation of pharmaceutical waste. Journal of the Taiwan Institute of Chemical Engineers, 142, 104617 (doi.org/10.1016/j.jtice.2022.104617)

• Yong Jieh Lee, Lutfi Kurnianditia Putri, Boon-Junn Ng, Lling-Lling Tan, Ta Yeong Wu, Siang-Piao Chai* (2023). Blue TiO2 with tunable oxygen-vacancy defects for enhanced photocatalytic diesel oil degradation. Applied Surface Science, 611, 155716 (doi.org/10.1016/j.apsusc.2022.155716).

• Cheng-May Fung, Boon-Junn Ng, Chen-Chen Er, Xin Ying Kong, Lling-Lling Tan, Abdul Rahman Mohamed, Siang-Piao Chai* (2022). Synergistic Hybridization of Twin-Induced Red/Black Phosphorus and Tungsten Oxide as Homo–Hetero Dynamic Dual Junctions for Z-Scheme CO2 Photoreduction. ACS Applied Energy Materials, 5, 12, 15257–15268 (doi.org/10.1021/acsaem.2c02899)

• Jing Wang, Zhongliao Wang, Jinfeng Zhang, Siang-Piao Chai, Kai Dai, Jingxiang Low (2022). Surface-active site modulation of the S-scheme heterojunction toward exceptional photocatalytic performance. Nanoscale, 14, 18087-18093 (doi.org/10.1039/D2NR05341A)

• Chen-Chen Er, Lutfi K Putri, Nikhil V Medhekar, Siang-Piao Chai* (2022). Unraveling the roles of single transition metal atom anchored on equivalent stoichiometry graphitic carbon nitride (gC6N6) for carbon dioxide reduction: a density functional theory study. Journal of Physics D: Applied Physics, 56(2), 024004 (doi.org/10.1088/1361-6463/aca4dd)

• Michell KT Chee, Boon-Junn Ng, Yi-Hao Chew, Wei Sea Chang, Siang-Piao Chai* (2022). Photocatalytic Hydrogen Evolution from Artificial Seawater Splitting over Amorphous Carbon Nitride: Optimization and Process Parameters Study via Response Surface Modeling. Materials, 15(14), 4894 (doi.org/10.3390/ma15144894)

• Yong Jieh Lee, Lutfi Kunianditia Putri, Boon-Junn Ng, Lling-Lling Tan, Ta Yeong Wu and Siang-Piao Chai* (2022). Elucidating the enhanced decomposition of alkyl hydroperoxides on oxygen vacancy rich TiO2x surfaces using DFT for polyethylene decomposition. Physical Chemistry Chemical Physics, 24, 25735-25739 (doi.org/10.1039/D2CP03768H)

• Lutfi Kurnianditia Putri, Boon-Junn Ng, Wee-Jun Ong, Siang-Piao Chai and Abdul Rahman Mohamed (2022). Towards Excellence in Photocathode Engineering for Photoelectrochemical CO2 Reduction: Design Rationales and Current Progress. Advanced Energy Materials, 12(41), 2201093. (doi.org/10.1002/aenm.202201093)

• Boon-Junn Ng, Jie-Yinn Tang, Liang Yin Ow, Xin Ying Kong, Yun Hau Ng, Lutfi Kurnianditia Putri, Siang-Piao Chai* (2022). Nanoscale p-n junction integration via the synergetic hybridization of facet-controlled Cu2O and defect modulated g-C3N4-x atomic layers for enhanced photocatalytic water splitting. Materials Today Energy, 29, 101102 (doi.org/10.1016/j.mtener.2022.101102).

• N.S.K. Gowthaman, Jhih-Wei Chen, Chang Fu Dee, Siang-Piao Chai, Wei Sea Chang (2022). Nanostructural dimension and oxygen vacancy synergistically induced photoactivity across high surface area monodispersed AuNPs/ZnO nanorods heterojunction. Journal of Alloys and Compounds, 920, 165836 (doi.org/10.1016/j.jallcom.2022.165836)

• Chen-Chen Er, Lutfi K. Putri, Boon-Junn Ng, Jie-Yinn Tang, Nikhil V. Medhekar, Siang-Piao Chai* (2022). Allotropes selection apropos of photocatalytic CO2 reduction from first principles studies. Materials Today Physics, 26, 100751 (doi.org/10.1016/j.mtphys.2022.100751)

• Yee Wen Teh, Chen-Chen Er, Xin Ying Kong, Boon-Junn Ng, Siek-Ting Yong, Siang-Piao Chai* (2022). Charge Modulation at Atomic-Level through Substitutional Sulfur Doping into Atomically Thin Bi2WO6 toward Promoting Photocatalytic CO2 Reduction. ChemSusChem, 15(14) e202200471 (doi.org/10.1002/cssc.202200471)

• Jie-Yinn Tang, Chen-Chen Er, Lling-Lling Tan, Yi-Hao Chew, Abdul Rahman Mohamed, Siang-Piao Chai* (2022). Uncovering the multifaceted roles of nitrogen defects in graphitic carbon nitride for selective photocatalytic carbon dioxide reduction: A density functional theory study. Physical Chemistry Chemical Physics, 24 (18), 11124-11130. (doi.org/10.1039/D2CP00466F) 

• Vinky Chow, Raphaël C-W Phan, Anh Cat Le Ngo, Ganesh Krishnasamy, Siang-Piao Chai (2022). Data-driven photocatalytic degradation activity prediction with Gaussian process. Process Safety and Environmental Protection, 161, 848-859. (doi.org/10.1016/j.psep.2022.03.020)

• Wei-Kean Chong, Boon-Junn Ng, Lling-Lling Tan and Siang-Piao Chai* (2022). Recent Advances in Nanoscale Engineering of Ternary Metal Sulfide-Based Heterostructures for Photocatalytic Water Splitting Applications. Energy & Fuels, 36(8), 4250-4267. (doi.org/10.1021/acs.energyfuels.2c00291)

• Wei-Kean Chong, Boon-Junn Ng, Chen-Chen Er, Lling-Lling Tan and Siang-Piao Chai* (2022). Insights from density functional theory calculations on heteroatom P-doped ZnIn2S4 bilayer nanosheets with atomic-level charge steering for photocatalytic water splitting. Scientific Reports, 12, 1927. (doi.org/10.1038/s41598-022-05740-8)

• Sue Jiun Phang, Jiale Lee, Voon-Loong Wong, Lling-Lling Tan, Siang-Piao Chai (2022). Synergistic effects of the hybridization between boron-doped carbon quantum dots and n/n-type g-C3N4 homojunction for boosted visible-light photocatalytic activity. Environmental Science and Pollution Research (In press). (doi.org/10.1007/s11356-021-18253-0)

• Cheng-May Fung, Chen-Chen Er, Lling-Lling Tan, Abdul Rahman Mohamed, Siang-Piao Chai* (2022). Red Phosphorus: An Up-and-Coming Photocatalyst on the Horizon for Sustainable Energy Development and Environmental Remediation. Chemical Reviews, 122(3) 3879–3965. (doi.org/10.1021/acs.chemrev.1c00068)

• Steven Kok, Jiale Lee, Lling-Lling, Tan, Wee-Jun Ong, Siang-Piao Chai (2022). MXene – A New Paradigm Towards Artificial Nitrogen Fixation for Sustainable Ammonia Generation: Synthesis, Properties and Future Outlook. ACS Materials Letters, 4(2) 212–245. (doi.org/10.1021/acsmaterialslett.1c00673)

• Meei Mei Gui, W.P. Cathie Lee, Lutfi Kurnianditia Putri, Xin Ying Kong, Lling-Lling Tan, Siang-Piao Chai* (2021). Photo-Driven Reduction of Carbon Dioxide: A Sustainable Approach Towards Achieving Carbon Neutrality Goal. Frontiers in Chemical Engineering, 3, 744911. (doi.org/10.3389/fceng.2021.744911)

• Chen-Chen Er, Jie-Yinn Tang, Cheng-May Fung, Lling-Lling Tan,  Nikhil V. Medhekar, Siang-Piao Chai* (2021).  Atomistic Insights into the Reforming of CH4 with CO2 on Metal-free gC3N4: Unravelling the Reaction Mechanisms using First Principles DFT Calculations. Journal of Physical Chemistry C, 125(42) 23021-23028. (doi.org/10.1021/acs.jpcc.1c06981)

• Yi-Hao Chew, Boon-Junn Ng, Jie-Yinn Tang, Lling-Lling Tan, Siang-Piao Chai* (2021).  A Synergistic Combination of P-doped Zn0.5Cd0.5S and CoP for Dual-Stage Electron Trapping and Its Application in Seawater Splitting. Solar RRL, 5(7), 2100016. (doi.org/10.1002/solr.202100016)

• Jiale Lee, Lling-Lling Tan, Siang-Piao Chai (2021). Heterojunction photocatalysts for artificial nitrogen fixation: fundamentals, latest advances and future perspectives. Nanoscale, 13, 7011-7033. (doi.org/10.1039/D1NR00783A)

• Hao Wu, Xin Ying Kong, Xiaoming Wen, Siang-Piao Chai, Yun Hau Ng (2021). Metal-Organic Frameworks Coating Induces Long-lived Charge Separation in Cuprous Oxide Nanowires for Stable and Selective Gaseous Photocatalytic CO2 Reduction. Angewandte Chemie International Edition, 60 (15), 8455-8459. (doi.org/10.1002/anie.202015735)

• Boon-Junn Ng, Muhammad Khosyi Musyaffa, Chen-Chen Er, Kulandai Arockia Rajesh Packiam, WP Cathie Lee, Lling-Lling Tan, Hing Wah Lee, Chien Wei Ooi, Siang-Piao Chai* (2021). Proton‐functionalized graphitic carbon nitride for efficient metal‐free disinfection of Escherichia Coli under low‐power light irradiation. Chemistry–A European Journal, 27(9), 3085-90. (doi.org/10.1002/chem.202004238)

• Yee Wen Teh, Cheng-May Fung, Michell K.T. Chee, Jingxiang Low, Siek-Ting Yong, Siang-Piao Chai* (2021). Broadening cognizance on atomically thin photocatalysts. Materials Today, 43, 198-212. (doi.org/10.1016/j.mattod.2020.10.034)

• Boon-Junn Ng, Lutfi Kurnianditia Putri, Xin Ying Kong, Pooria Pasbakhsh, Siang-Piao Chai* (2021). Z-Scheme Photocatalyst Sheets with P-Doped Twinned Zn0.5Cd0.5S1-x and Bi4NbO8Cl connected by Carbon Electron Mediator for Overall Water Splitting under Ambient Condition. Chemical Engineering Journal , 404, 127030. (doi.org/10.1016/j.cej.2020.127030)

• Sue Jiun Phang, Jin Mei Goh, Lling-Lling Tan, Wuen Pei Cathie Lee, Wee-Jun Ong, Siang-Piao Chai (2021). Metal-free n/n–junctioned graphitic carbon nitride (gC3N4): a study to elucidate its charge transfer mechanism and application for environmental remediation. Environmental Science and Pollution Research, 28(4), 4388-4403. (doi.org/10.1007/s11356-020-10814-z)

• Sue Jiun Phang, Voon-Loong Wong, Lling-Lling Tan, Siang-Piao Chai (2020). Recent advances in homojunction-based photocatalysis for sustainable environmental remediation and clean energy generation. Applied Materials Today, 20, 100741. (doi.org/10.1016/j.apmt.2020.100741)

• Xin Ying Kong, Tong Tong, Boon-Junn Ng, Jingxiang Low, Tingying Helen Zeng, Abdul Rahman Mohamed, Jiaguo Yu and Siang-Piao Chai* (2020). Topotactic Transformation of Bismuth Oxybromide into Bismuth Tungstate: Bandgap Modulation of Single-Crystalline {001}-Faceted Nanosheets for Enhanced Photocatalytic CO2 Reduction. ACS Applied Materials & Interfaces, 12, 24, 26991–27000. (doi.org/10.1021/acsami.9b15950)

• Kavitha Govindasamy, Nuraina Anisa Dahlan, Pushpamalar Janarthanan, Kheng Lim Goh, Siang-Piao Chai, Pooria Pasbakhsh (2020). Electrospun chitosan/polyethylene-oxide (PEO)/halloysites (HAL) membranes for bone regeneration applications. Applied Clay Science, 190, 105601. (doi.org/10.1016/j.clay.2020.105601)

• Michell KT Chee, Chen-Chen Er, Jie-Yinn Tang, Lling-Lling Tan, Wei Sea Chang, and Siang-Piao Chai* (2020). Tuning the Electronic Band Structure of Graphitic Carbon Nitride by Breaking Intramolecular Bonds: A Simple and Effective Approach for Enhanced Photocatalytic Hydrogen Production. Applied Surface Science , 529, 146600
  (doi.org/10.1016/j.apsusc.2020.146600)

• Cheng-May Fung, Jie-Yinn Tang, Lling-Lling Tan, Abdul Rahman Mohamed, Siang-Piao Chai* (2020). Recent Progress in Two-dimensional Nanomaterials for Photocatalytic Carbon Dioxide Transformation into Solar Fuels. Materials Today Sustainability, 9, 100037. (doi.org/10.1016/j.mtsust.2020.100037)

• Boon-Junn Ng, Lutfi Kurnianditia Putri, Xin Ying Kong, Yee Wen Teh, Pooria Pasbakhsh, Siang-Piao Chai* (2020). Z-scheme photocatalytic systems for solar water splitting. Advanced Science , 7 (7), 1903171. (doi.org/10.1002/advs.201903171)

• Lutfi K Putri, Boon-Junn Ng, Wee-Jun Ong, Hing Wah Lee, Wei Sea Chang, Abdul Rahman Mohamed, Siang-Piao Chai* (2020). Energy Level Tuning of CdSe Colloidal Quantum Dots in Ternary 0D-2D-2D CdSe QD/B-rGO/O-gC3N4 as Photocatalysts for Enhanced Hydrogen Generation. Applied Catalysis B: Environmental, 265, 118592. (doi.org/10.1016/j.apcatb.2020.118592)

• Ru Xuan Seng, Lling-Lling Tan, W.P. Cathie Lee, Wee-Jun Ong, Siang-Piao Chai (2020). Nitrogen-doped carbon quantum dots-decorated 2D graphitic carbon nitride as a promising photocatalyst for environmental remediation: A study on the importance of hybridization approach. Journal of Environmental Management, 255, 109936. (doi.org/10.1016/j.jenvman.2019.109936)

• Yi-Hao Chew, Boon-Junn Ng, Xin Ying Kong, Lutfi Kurnianditia Putri, Jie-Yinn Tang, Lling-Lling Tan, Siang-Piao Chai* (2020). Interfacial Engineering of Zinc Blende/Wurtzite Homojunction Photocatalyst through Hybridization with Cobalt Phosphide Co-catalyst for Enhanced Visible-Light-Driven Photocatalytic H2 Evolution. Sustainable Energy & Fuels, 4(4), 1822-1827. (doi.org/10.1039/C9SE00800D)

• W. P. Cathie Lee, Terence L. Perix, Kulandai Arockia Rajesh Packiam, Meei-Mei Gui, Chien Wei Ooi, Siang-Piao Chai* (2020). Highly-efficient photocatalytic disinfection of Escherichia coli by copper-doped molybdenum disulfide/bismuth sulfide under low-powered visible light irradiation. Catalysis Communications , 140, 106003. (doi.org/10.1016/j.catcom.2020.106003)

• Yee Wen Teh, Michell KT Chee, Xin Ying Kong, Siek Ting Yong, Siang-Piao Chai* (2020). An insight on perovskite-based photocatalysts for artificial photosynthesis. Sustainable Energy & Fuels,  4, 973-984. (doi.org/10.1039/C9SE00526A)

• Lutfi K. Putri, Boon-Junn Ng, Chen-Chen Er, Wee-Jun Ong, Wei Sea Chang , Abdul Rahman Mohamed, Siang-Piao Chai* (2020). Insights on the Impact of Doping Levels in Oxygen-doped gC3N4 and its Effects on Photocatalytic Activity. Applied Surface Science, 504, 144427. (doi.org/10.1016/j.apsusc.2019.144427)

• Boon-Junn Ng, Lutfi Kurnianditia Putri, Xin Ying Kong, Pooria Pasbakhsh, Siang-Piao Chai* (2020). Overall pure water splitting using one-dimensional P-doped twinned Zn0.5Cd0.5S1-x nanorods via synergistic combination of long-range ordered homojunctions and interstitial S vacancies with prolonged carrier lifetime. Applied Catalysis B: Environmental, 262, 118309. (doi.org/10.1016/j.apcatb.2019.118309)

• Yulu Yang, Mingguang Wu, Xingwang Zhu, Hui Xu*, Si Ma, Yongfeng Zhi, Hong Xia*, Xiaoming Liu*, Jun Pan*, Jie-Yinn Tang, Siang-Piao Chai*, Leonardo Palmisano, Francesco Parrino*, Junli Liu, Jianzhong Ma*, Ze-Lin Wang, Ling Tan, Yu-Fei Zhao, Yu-Fei Song*, Pardeep Singh*, Pankaj Raizada, Deli Jiang*, Di Li, RA Geioushy*, Jizhen Ma, Jintao Zhang*, Song Hu, Rongjuan Feng, Gang Liu*, Minghua Liu*, Zhenhua Li, Mingfei Shao*, Neng Li*, Jiahe Peng, Wee-Jun Ong, Nikolay Kornienko*, Zhenyu Xing, Xiujun Fan*, Jianmin Ma* (2019). 2020 Roadmap on two-dimensional nanomaterials for environmental catalysis. Chinese Chemical Letters, 30(12), 2065-2088. (doi.org/10.1016/j.cclet.2019.11.001)

• Yee Wen Teh, Yien Wei Goh, Xin Ying Kong, Boon-Junn Ng, Siek-Ting Yong, Siang-Piao Chai* (2019). Fabrication of Bi2WO6/Cu/WO3 all-solid-state Z-scheme composite photocatalyst to improve CO2 photoreduction under visible light irradiation. ChemCatChem, 11(22), 6431-6438. (doi.org/10.1002/cctc.201901653)

• Xin Ying Kong, Wai Qin Lee, Abdul Rahman Mohamed, Siang-Piao Chai* (2019). Effective Steering of Charge Flow through Synergistic Inducing Oxygen Vacancy Defects and p-n Heterojunctions in 2D/2D Surface-Engineered Bi2WO6-x/BiOI Cascade: Towards Superior Photocatalytic CO2 Reduction Activity. Chemical Engineering Journal, 372, 1183-1193. (doi.org/10.1016/j.cej.2019.05.001)

• Yi-Hao Chew, Jie-Yinn Tang, Li-Jie Tan, Bryan Wei Jian Choi, Lling-Lling Tan, Siang-Piao Chai* (2019). Engineering surface oxygen defects on tungsten oxide to boost photocatalytic oxygen evolution from water splitting. Chemical Communications, 55 (44), 6265-6268. (doi.org/10.1039/C9CC01449G)

• Jie-Yinn Tang, Xin Ying Kong, Boon-Junn Ng, Yi-Hao Chew, Abdul Rahman Mohamed, Siang-Piao Chai* (2019). Midgap-state-mediated two-step photoexcitation in nitrogen defect-modified g-C3N4 atomic layers for superior photocatalytic CO2 reduction. Catalysis Science & Technology , 9 (9), 2335-2343. (doi.org/10.1039/C9CY00449A)

• Kok Hong Tan, Yun-Wen Chen, Chien Nguyen Van, Hongliang Wang, Jhih-Wei Chen, Fang Sheng Lim, Khian-Hooi Chew, Qian Zhan, Chung-Lin Wu, Siang-Piao Chai, Ying-Hao Chu, Wei Sea Chang (2019). Energy Band Gap Modulation in Nd-Doped BiFeO3/SrRuO3 Heteroepitaxy for Visible Light Photoelectrochemical Activity. ACS Applied Materials & Interfaces, 11 (1), 1655–1664. (doi.org/10.1021/acsami.8b17758)

• Choon-Ming Seah, Brigitte Vigolo, Siang-Piao Chai, Abdul Rahman Mohamed (2018). Transfer of wafer-scale graphene onto arbitrary substrates: The steps towards the reuse and recycle of the catalyst. 2D Materials, 5 (4), 042001. (doi.org/10.1088/2053-1583/aac60e)

• Lutfi K Putri, Boon-Junn Ng, Kok Hong Tan, Fang Sheng Lim, Wee-Jun Ong, Wei Sea Chang, Siang-Piao Chai* (2018). Tailoring the properties of oxygenated graphene with different oxidation degrees for noble-metal-free photocatalytic hydrogen evolution. Catalysis Today, 315, 93-102. (doi.org/10.1016/j.cattod.2018.04.009)

• Xin Ying Kong, Boon-Junn Ng, Kok Hong Tan, Xiaofang Chen, Huanting Wang, Abdul Rahman Mohamed, Siang-Piao Chai* (2018). Simultaneous generation of oxygen vacancies on ultrathin BiOBr nanosheets during visible-light-driven CO2 photoreduction evoked superior activity and long-term stability. Catalysis Today , 314, 20-27.
  (doi.org/10.1016/j.cattod.2018.04.018)

• Kok Hong Tan, Fang Sheng Lim, Alfred Toh, Chang Fu Dee, Burhanuddin Yeop Majlis, Siang-Piao Chai, Wei Sea Chang (2018). Tunable Spectrum Selectivity for Multiphoton Absorption with Enhanced Visible Light Trapping in ZnO Nanorods. Small, 14 (20), 1704053. (doi.org/10.1002/smll.201704053)

• W. P. Cathie Lee, Xin Ying Kong, Lling-Lling Tan, Meei Mei Gui, S. Sumathi, and Siang-Piao Chai* (2018). Molybdenum Disulfide Quantum Dots Decorated Bismuth Sulfide as a Superior Noble-Metal-Free Photocatalyst for Hydrogen Evolution through Harnessing a Broad Solar Spectrum. Applied Catalysis B: Environmental, 232, 117-123. (doi.org/10.1016/j.apcatb.2018.03.019)

• Lutfi Kurnianditia Putri, Boon-Junn Ng, Wee-Jun Ong, Hing Wah Lee, Wei Sea Chang, Siang-Piao Chai* (2018). Engineering nanoscale p–n junction via the synergetic dual-doping of p-type boron-doped graphene hybridized with n-type oxygen-doped carbon nitride for enhanced photocatalytic hydrogen evolution. Journal of Materials Chemistry A, 6, 3181-3194. (doi.org/10.1039/C7TA09723A)

• Mei Kee Koh, Yee Jie Wong, Siang-Piao Chai, Abdul Rahman Mohamed (2018). Carbon Dioxide Hydrogenation to Methanol Over Multi-Functional Catalyst: Effects of Reactants Adsorption and Metal-Oxide(s) Interfacial Area. Journal of Industrial and Engineering Chemistry, 62, 156-165. (doi.org/10.1016/j.jiec.2017.12.053)

• Mei Kee Koh, Mehrnoush Khavarian, Siang-Piao Chai, Abdul Rahman Mohamed (2018). The morphological impact of siliceous porous carriers on copper-catalysts for selective direct CO2 hydrogenation to methanol. International Journal of Hydrogen Energy, 43(19), 9334-9342. (doi.org/10.1016/j.ijhydene.2018.03.202)

• Iee Lee Hia, Eng Seng Chan, Siang-Piao Chai, Pooria Pasbakhsh (2018). A novel Repeated Self-Healing Epoxy Composite with Alginate Multicore Microcapsules. Journal of Materials Chemistry A, 6 (18), 8470-8478. (doi.org/10.1039/C8TA01783B)

• Iee Lee Hia, Weng Hoong Lam, Eng Seng Chan, Siang-Piao Chai, Pooria Pasbakhsh (2018). Surface modified alginate multicore microcapsules and their application in self-healing epoxy coatings for metallic protection. Materials Chemistry and Physics, 215, 69-80. (doi.org/10.1016/j.matchemphys.2018.05.021)

• WP Cathie Lee, Lling-Lling Tan, S Sumathi, Siang-Piao Chai* (2018). Copper-doped flower-like molybdenum disulfide/bismuth sulfide photocatalysts for enhanced solar water splitting. International Journal of Hydrogen Energy, 43(2), 748-756. (doi.org/10.1016/j.ijhydene.2017.10.169)

• Boon-Junn Ng, Lutfi Kurnianditia Putri, Xin Ying Kong, Katrina Pui Yee Shak, Pooria Pasbakhsh, Siang-Piao Chai*⁠, Abdul Rahman Mohamed (2018). Sub-2 nm Pt-decorated Zn0⁠.5Cd0⁠.5S nanocrystals with twin-induced homojunctions for efficient visible-light-driven photocatalytic H2⁠ evolution. Applied Catalysis B: Environmental, 224, 360-367. (doi.org/10.1016/j.apcatb.2017.10.005)

• Kok Hong Tan, Hing Wah Lee, Jhih-Wei Chen, Chang Fu Dee, Burhanuddin Yeop Majlis, Ai Kah Soh, Chung Lin Wu, Siang-Piao Chai, Wei Sea Chang (2017). Self-Assembled Heteroepitaxial AuNPs/SrTiO3: Influence of AuNPs Size on SrTiO3 Band Gap Tuning for Visible Light-Driven Photocatalyst. The Journal of Physical Chemistry C, 121(25), 13487-13495. (doi.org/10.1021/acs.jpcc.7b02410)

• Wee-Jun Ong*, Lutfi Kurnianditia Putri, Yoong-Chuen Tan, Lling-Lling Tan, Neng Li, Yun Hau Ng, Xiaoming Wen,and Siang-Piao Chai* (2017). Unravelling charge carrier dynamics in interfacing protonated g-C3N4 with carbon nanodots as co-catalysts toward enhanced photocatalytic CO2 reduction: A combined experimental and first-principles DFT study. Nano Research, 10(5), 1673-1696. (doi.org/10.1007/s12274-016-1391-4)

• WP Cathie Lee, Fhu-Hin Wong, Nicole K Attenborough, Xin Ying Kong, Lling-Lling Tan, S Sumathi, Siang-Piao Chai* (2017). Two-dimensional bismuth oxybromide coupled with molybdenum disulphide for enhanced dye degradation using low power energy-saving light bulb. Journal of Environmental Management, 197, 63-69. (doi.org/10.1016/j.jenvman.2017.03.027)

• Xin Ying Kong, Wen Liang Tan, Boon-Junn Ng, Siang-Piao Chai*, Abdul Rahman Mohamed (2017). Harnessing Vis–NIR broad spectrum for photocatalytic CO2 reduction over carbon quantum dots-decorated ultrathin Bi2WO6 nanosheets. Nano Research, 10(5), 1720-1731. (doi.org/10.1007/s12274-017-1435-4)

• W.P. Cathie Lee, Meei-Mei Gui, Lling-Lling Tan, Ta-Yeong Wu, S. Sumathi, Siang-Piao Chai* (2017) Bismuth sulphide-modified molybdenum disulphide as an efficient photocatalyst for hydrogen production under simulated solar light. Catalysis Communications, 98, 66-70. (doi.org/10.1016/j.catcom.2017.05.004)

• Boon-Junn Ng, Lutfi Kurnianditia Putri, Lling-Lling Tan, Pooria Pasbakhsh, Siang-Piao Chai* (2017). All-Solid-State Z-Scheme Photocatalyst with Carbon Nanotubes as an Electron Mediator for Hydrogen Evolution under Simulated Solar Light. Chemical Engineering Journal, 316, 41-49. (doi.org/10.1016/j.cej.2017.01.054)

• Lutfi Kurnianditia Putri, Boon-Junn Ng, Wee-Jun Ong, Hing Wah Lee, Wei Sea Chang, Siang-Piao Chai* (2017). Heteroatom nitrogen-and boron-doping as a facile strategy to improve photocatalytic activity of standalone reduced graphene oxide in hydrogen evolution. ACS Applied Materials & Interfaces, 9(5), 4558-4569. (doi.org/10.1021/acsami.6b12060)

• Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai*, Abdul Rahman Mohamed (2017). Photocatalytic Reduction of CO2 with H2O Over Graphene Oxide-Supported Oxygen-Rich TiO2 Hybrid Photocatalyst Under Visible Light Irradiation: Process and Kinetic Studies. Chemical Engineering Journal, 308, 248-255. (doi.org/10.1016/j.cej.2016.09.050)

• Wennie Subramonian, Ta Yeong Wu, Siang-Piao Chai (2017). Photocatalytic degradation of industrial pulp and paper mill effluent using synthesized magnetic Fe2O3-TiO2: Treatment efficiency and characterizations of reused photocatalyst. Journal of Environmental Management, 187, 298-310. (doi.org/10.1016/j.jenvman.2016.10.024)

• Wennie Subramonian, Ta Yeong Wu, Siang-Piao Chai (2017). Using one-step facile and solvent-free mechanochemical process to synthesize photoactive Fe2O3-TiO2 for treating industrial wastewater. Journal of Alloys and Compounds, 695, 495-507. (doi.org/10.1016/j.jallcom.2016.10.006)

• Xin Ying Kong, Yen Yee Choo, Siang-Piao Chai*, Ai Kah Soh and Abdul Rahman Mohamed (2016). Oxygen vacancies induced Bi2WO6 for realization of full solar spectrum photocatalytic CO2 reduction: From UV to NIR region. Chemical Communications, 52, 14242-14245. (doi.org/10.1039/C6CC07750A)

• Iee Lee Hia, Pooria Pasbakhsh, Eng Seng Chan, Siang-Piao Chai (2016). Electrosprayed Multi-Core Alginate Microcapsules as Novel Self-Healing Containers. Scientific Reports, 6, 34674. (doi.org/10.1038/srep34674)

• Xin Ying Kong, W.P.Cathie Lee, Wee-Jun Ong, Siang-Piao Chai*, Abdul Rahman Mohamed (2016). Oxygen-deficient BiOBr as a highly stable photocatalyst for efficient CO2 reduction into renewable carbon-neutral fuels. ChemCatChem, 8(19), 3074-3081. (doi.org/10.1002/cctc.201600782)

• Lutfi Kurnianditia Putri, Lling-Lling Tan, Wee-Jun Ong, Wei Sea Chang, Siang-Piao Chai* (2016). Graphene oxide: Exploiting its unique properties toward visible-light-driven photocatalysis. Applied Materials Today, 4, 9-16.
  (doi.org/10.1016/j.apmt.2016.04.001)

• Wee-Jun Ong, Lling-Lling Tan, Yun Hau Ng, Siek-Ting Yong, Siang-Piao Chai* (2016). Graphitic Carbon Nitride (g-C3N4)-Based Photocatalysts for Artificial Photosynthesis and Environmental Remediation: Are we a Step Closer to Achieve Sustainability? Chemical Reviews, 116(12), 7159-7329. (doi.org/10.1021/acs.chemrev.6b00075)

• Choon-Ming Seah, Brigitte Vigolo, Siang-Piao Chai, Abdul Rahman Mohamed (2016). Mechanisms of graphene fabrication through plasma-induced layer-by-layer thinning. Carbon, 105, 496-509. (doi.org/10.1016/j.carbon.2016.04.072)

• Choon-Ming Seah, Brigitte Vigolo, Siang-Piao Chai, Satoshi Ichikawa, Jérôme Gleize, Jaafar Ghanbaja, Abdul Rahman Mohamed (2016). Simultaneous growth of monolayer graphene on Ni-Cu bimetallic catalyst by atmospheric pressure CVD process. RSC Advances, 6(47), 41447-41452. (doi.org/10.1039/C6RA04197C)

• Lutfi Kurnianditia Putri, Wee-Jun Ong, Wei Sea Chang, Siang-Piao Chai* (2016). Enhancement in the photocatalytic activity of carbon nitride through hybridization with light-sensitive AgCl for carbon dioxide reduction to methane. Catalysis Science & Technology, 6(3), 744-754. (doi.org/10.1039/C5CY00767D)

• Choon-Ming Seah, Brigitte Vigolo, Siang-Piao Chai, Satoshi Ichikawa, Jérôme Gleize, François Le Normand, Fitsum Aweke, Abdul Rahman Mohamed (2016). Sequential synthesis of free-standing high quality bilayer graphene from recycled nickel foil. Carbon, 96, 268-275. (doi.org/10.1016/j.carbon.2015.09.073) 

• Wee-Jun Ong, Lutfi Kurnianditia Putri, Lling-Lling Tan, Siang-Piao Chai*, Siek-Ting Yong (2016). Heterostructured AgX/g-C3N4 (X=Cl and Br) nanocomposites via a sonication-assisted deposition-precipitation approach: Emerging role of halide ions in the synergistic photocatalytic reduction of carbon dioxide. Applied Catalysis B: Environmental, 180, 530-543. (doi.org/10.1016/j.apcatb.2015.06.053)

• Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai*, Abdul Rahman Mohamed (2016). Visible-light-active oxygen-rich TiO2 as next generation photocatalyst: Importance of annealing temperature on the photoactivity toward reduction of carbon dioxide. Chemical Engineering Journal, 283, 1254-1263. (doi.org/10.1016/j.cej.2015.07.093)

• De Silva RT, Soheilmoghaddam M, Goh KL, Wahit MU, Bee, SAH, Siang-Piao Chai, Pasbakhsh, P (2016). Influence of the processing methods on the properties of poly(lactic acid)/halloysite nanocomposites. Polymer Composites, 37(3), 861-869. (doi.org/10.1002/pc.23244)

• Lutfi Kurnianditia Putri, Wee-Jun Ong, Wei Sea Chang, Siang-Piao Chai* (2015).  Heteroatom doped graphene in photocatalysis: A review. Applied Surface Science, 358, 2-14. (doi.org/10.1016/j.apsusc.2015.08.177)

• Vahdat Vahedi, Pooria Pasbakhsh, Siang-Piao Chai, Eng-Seng Chan (2015). A facile method for preparation of self-healing epoxy composites: using electrospun nanofibers as microchannels. Journal of Materials Chemistry A, 3, 16005-16012. (doi.org/10.1039/C5TA02294K)

• Wei Li Tong, Wee-Jun Ong, Siang-Piao Chai, Ming K. Tan, Yew Mun Hung (2015). Enhanced evaporation strength through fast water permeation in graphene-oxide deposition. Scientific Reports, 11896. (doi.org/10.1038/srep11896)

• Meei Mei Gui, Siang-Piao Chai*, Abdul Rahman Mohamed (2015). One-pot Synthesis of Ag-MWCNT@TiO2 Core-shell Nanocomposites for Photocatalytic Reduction of CO2 with Water under Visible Light Irradiation. Chemical Engineering Journal, 278, 272-278. (doi.org/10.1016/j.cej.2014.09.022)

• Wee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai*, Siek-Ting Yong, Abdul Rahman Mohamed (2015). Surface charge modification via protonation of graphitic carbon nitride (g-C3N4) for electrostatic self-assembly construction of 2D/2D reduced graphene oxide (rGO)/g-C3N4 nanostructures toward enhanced photocatalytic reduction of carbon dioxide to methane. Nano Energy, 13, 757-770. (doi.org/10.1016/j.nanoen.2015.03.014)

• Lling-Lling Tan, Wee-Jun Ong, Boon Tong Goh, Siang-Piao Chai*, Abdul Rahman Mohamed (2015). Visible-light-active oxygen-rich TiO2 decorated 2D graphene oxide with enhanced photocatalytic activity towards carbon dioxide reduction. Applied Catalysis B: Environmental, 179, 160-170. (doi.org/10.1016/j.apcatb.2015.05.024)

• Zee Ying Yeo, Siang-Piao Chai*, Peng Wei Zhu, Shee-Keat Mah, Abdul Rahman Mohamed (2015). Preparation of self-supported crystalline merlinoite-type zeolite W membranes through vacuum filtration and crystallization for CO2/CH4 separations. New Journal of Chemistry, 39, 4135-4140. (doi.org/10.1039/C5NJ00008D)

• Wennie Subramonian, Ta Yeong Wu, Siang-Piao Chai (2015). An application of response surface methodology for optimizing coagulation process of raw industrial effluent using Cassia obtusifolia seed gum together with alum. Industrial Crops and Products, 70, 107-115. (doi.org/10.1016/j.indcrop.2015.02.026)

• Mehrnoush Khavarian, Siang-Piao Chai, Abdul Rahman Mohamed (2015). The effects of process parameters on carbon dioxide reforming of methane over Co–Mo–MgO/MWCNTs nanocomposite catalysts. Fuel, 158, 129-138. (doi.org/10.1016/j.fuel.2015.05.021)

• Vahdat Vahedi, Pooria Pasbakhsh, Siang-Piao Chai (2015). Toward high performance epoxy/halloysite nanocomposites: New insights based on rheological, curing, and impact properties. Materials & Design, 68, 42-53. (doi.org/10.1016/j.matdes.2014.12.010)

• Wee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai* and Siek-Ting Yong (2015). Graphene oxide as a structure-directing agent for the two-dimensional interface engineering of sandwich-like graphene/g-C3N4 hybrid nanostructures with enhanced visible-light photoreduction of CO2 to methane. Chemical Communications, 51(5), 858-861. (doi.org/10.1039/C4CC08996K)

• Wee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai* and Siek-Ting Yong (2015). Heterojunction engineering of graphitic carbon nitride (g-C3N4) via Pt loading with improved daylight-induced photocatalytic reduction of carbon dioxide to methane. Dalton Transactions, 44(3), 1249-1257. (doi.org/10.1039/C4DT02940B)

• Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai*, Abdul Rahman Mohamed (2015). Noble metal modified reduced graphene oxide/TiO2 ternary nanostructures for efficient visible-light-driven photoreduction of carbon dioxide into methane. Applied Catalysis B: Environmental, 166-167, 251-259. (doi.org/10.1016/j.apcatb.2014.11.035)

• Wee-Jun Ong, Jia-Jun Yeong, Lling-Lling Tan, Boon Tong Goh, Siek-Ting Yong and Siang-Piao Chai* (2014). Synergistic effect of graphene as a co-catalyst for enhanced daylight-induced photocatalytic activity of Zn0.5Cd0.5S synthesized via an improved one-pot co-precipitation-hydrothermal strategy. RSC Advances, 4, 59676-59685. (doi.org/10.1039/C4RA10467F)

• Wee-Jun Ong, Seen-Yee Voon, Lling-Lling Tan, Boon Tong Goh, Siek-Ting Yong, Siang-Piao Chai* (2014). Enhanced daylight-induced photocatalytic activity of solvent exfoliated graphene (SEG)/ZnO hybrid nanocomposites towards degradation of Reactive Black 5. Industrial & Engineering Chemistry Research, 53, 17333−17344. (doi.org/10.1021/ie5027088)

• Zee Ying Yeo, Pei Yee Tan, Siang-Piao Chai*, Peng Wei Zhu, Abdul Rahman Mohamed (2014). Continuous polycrystalline ZIF-8 membrane supported on CO2 selective mixed matrix supports for CO2/CH4 Separation. RSC Advances, 4, 52461-52466. (doi.org/10.1039/C4RA09547B)

• Zee Ying Yeo, Peng Wei Zhu, Abdul Rahman Mohamed, Siang-Piao Chai* (2014). An Overview: Synthesis of thin films/membranes of Metal Organic Frameworks and its gas separation performances. RSC Advances, 4, 54322-54334. (doi.org/10.1039/C4RA08884K)

• Ong-Wee Jun, Lling-Lling Tan, Siang-Piao Chai*, Siek Ting Yong, Abdul Rahman Mohamed (2014). Self-Assembly of Nitrogen-Doped TiO₂ with Exposed {001} Facets on the Graphene Scaffold as Photo-Active Hybrid Nanostructures for Reduction of Carbon Dioxide to Methane. Nano Research, 7(10), 1528–1547. (doi.org/10.1007/s12274-014-0514-z)

• Meei Mei Gui, Siang-Piao Chai*, Abdul Rahman Mohamed (2014). Modification of MWCNT@TiO2 core-shell nanocomposites with transition metal oxide dopants for photoreduction of carbon dioxide into methane. Applied Surface Science, 319, 37-43. (doi.org/10.1016/j.apsusc.2014.07.161)

• Shee-Keat Mah, Catherine Ching Han Chang, Ta Yeong Wu, Siang-Piao Chai* (2014). The study of reverse osmosis on glycerin solution filtration: Dead-end and crossflow filtrations, transport mechanism, rejection and permeability investigations. Desalination, 352, 66-81. (doi.org/10.1016/j.desal.2014.08.008)

• Wennie Subramonian, Ta Yeong Wu, Siang-Piao Chai (2014). A comprehensive study on coagulant performance and floc characterization of natural Cassia obtusifolia seed gum in treatment of raw pulp and paper mill effluent. Industrial Crops and Products, 61, 317-324. (doi.org/10.1016/j.indcrop.2014.06.055)

• Mehrnoush Khavarian, Siang-Piao Chai, Abdul Rahman Mohamed (2014). Direct use of as-synthesized multi-walled carbon nanotubes with catalyst impurities for carbon dioxide reforming of methane for producing synthesis gas. Chemical Engineering Journal, 257, 200-208. (doi.org/10.1016/j.cej.2014.05.079)

• Meei Mei Gui, Siang-Piao Chai*, Bo-Qing Xu, Abdul Rahman Mohamed (2014). Visible-light-driven MWCNT@TiO2 core-shell nanocomposites and the roles of MWCNTs on the surface chemistry, optical properties and reactivity in CO2 photoreduction. RSC Advances, 4 (46), 24007 – 24013. (doi.org/10.1039/C4RA02561J)

• Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai*, Abdul Rahman Mohamed (2014). Band gap engineered, oxygen-rich TiO2 for visible light induced photocatalytic reduction of CO2. Chemical Communications, 50, 6923-6926. (doi.org/10.1039/C4CC01304B)

• Zee Ying Yeo, Siang-Piao Chai*, Peng Wei Zhu, Abdul Rahman Mohamed (2014). Development of a hybrid membrane through coupling of high selectivity Zeolite T on ZIF-8 intermediate layer and its performance in carbon dioxide and methane gas separation. Microporous & Mesoporous Materials, 196, 79-88. (doi.org/10.1016/j.micromeso.2014.05.002)

• Zee Ying Yeo, Siang-Piao Chai*, Peng Wei Zhu, Abdul Rahman Mohamed (2014). A well inter-grown ZIF-8 membrane synthesized via two-step hydrothermal synthesis on coarse α-Al2O3 support. Materials Letters, 129, 162-165. (doi.org/10.1016/j.matlet.2014.05.051)

• Cathie Lee WP, Shee-Keat Mah, CP Leo, Ta Yeong Wu, Siang-Piao Chai* (2014). Phosphorus removal by NF90 membrane: Optimization using central composite design. Journal of the Taiwan Institute of Chemical Engineers 45, 1260-1269. (doi.org/10.1016/j.jtice.2014.02.011)

• Zee Ying Yeo, Peng Wei Zhu, Abdul Rahman Mohamed, Siang-Piao Chai* (2014). An enhanced hybrid membrane of ZIF-8 and zeolite T for CO2/CH4 separation. CrystEngComm, 16, 3072-3075. (doi.org/10.1039/C3CE42468E)

• Ong-Wee Jun, Lling-Lling Tan, Siang-Piao Chai*, Siek Ting Yong, Abdul Rahman Mohamed (2014). Facet-dependent photocatalytic properties of TiO2-based composites for energy conversion and environmental remediation. ChemSusChem, 7, 690-719. (doi.org/10.1002/cssc.201300924)

• Choon-Ming Seah, Siang-Piao Chai, Abdul Rahman Mohamed (2014). Mechanisms of graphene growth by chemical vapor deposition on transition metals. Carbon, 70, 1-21. (doi.org/10.1016/j.carbon.2013.12.073)

• Shee-Keat Mah, Siang-Piao Chai*, Ta Yeong Wu (2014). Dehydration of glycerin solution using pervaporation: HybSi and polydimethylsiloxane membranes. Journal of Membrane Science, 450, 440-446. (doi.org/10.1016/j.memsci.2013.09.048)

• Meei Mei Gui, Siang-Piao Chai*, Bo-Qing Xu, Abdul Rahman Mohamed (2014). Enhanced visible light responsive MWCNT/TiO2 core-shell nanocomposites as the potential photocatalyst for reduction of CO2 into methane. Solar Energy Materials & Solar Cells, 122, 183-189. (doi.org/10.1016/j.solmat.2013.11.034)

• Ong-Wee Jun, Lling-Lling Tan, Siang-Piao Chai*, Siek Ting Yong, Abdul Rahman Mohamed (2014). Highly Reactive {001} Facets of TiO2-Based Composites: Synthesis, Formation Mechanism and Characterizations. Nanoscale, 6, 1946-2008. (doi.org/10.1039/C3NR04655A)

• Wei-Wen Liu, Siang-Piao Chai, Abdul Rahman Mohamed, Hashim Uda (2014). Synthesis and characterization of graphene and carbon nanotubes: A review on the past and recent developments. Journal of Industrial and Engineering Chemistry, 20(4), 1171-1185. (doi.org/10.1016/j.jiec.2013.08.028)

Book Chapters

• Boon-Junn Ng, Xin Ying Kong, Yi-Hao Chew, Yee Wen Teh, Siang-Piao Chai* (2021). Reactors, Fundamentals, and Engineering Aspects for Photocatalytic and Photoelectrochemical Systems. Chapter 15 in edited book  “Solar-to-Chemical Conversion: Photocatalytic and Photoelectrochemical Processes”. John Wiley & Sons, pp. 419-445, ISBN: 978-3-527-34718-6. 

• Lutfi Kurnianditia Putri, Wee-Jun Ong, Lling-Lling Tan, Siang-Piao Chai* (2018). Functionalization of chemically derived graphene for solar-to-fuel conversions. Chapter 5 in edited Book “Chemically Derived Graphene: Functionalization methods, Properties, and Applications”. Royal Society of Chemistry (RSC), pp. 102-127 (Invited). 

• Seen-Yee Voon, Wee-Jun Ong, Lling-Lling Tan, Siek Ting Yong, Siang-Piao Chai* (2016). Graphene-based semiconductor materials for photocatalytic applications. Chapter 22 in edited handbook Vol 6. ”Size-dependent properties”. Ed. M. Aliofkhazraei, N. Ali, W.I. Milne, C.S. Ozkan, S. Mitura, J.L. Gervasoni, Graphene Science Handbook – CRC Press. Taylor & Francis Group, pp. 331-352, ISBN:978-1-4665-9136-3.

• Vahdat Vahedi, Pooria Pasbakhsh, Siang-Piao Chai (2015). Surface modification of halloysite nanotubes: role of external hydroxyl groups. Chapter 18 in edited book “Natural Mineral Nanotubes: Properties and Applications” Ed. Pooria Pasbakhsh, G. Jock Churchman, CRC Press. Taylor & Francis Group, pp. 341-363, ISBN. 9781771880565. 

• Meei-Mei Gui, Lling-Lling Tan, Wee-Jun Ong, Siang-Piao Chai*, Abdul Rahman Mohamed (2015). Photocatalytic reduction of carbon dioxide: choice of photocatalysts and product selectivity. Chapter 3 in edited book “CO2 sequestration, biofuels and depollution” Ed. Eric Lichtfouse, Jan Schwarzbauer, Didier Rober, Environmental Chemistry for a Sustainable World Vol.5 – Springer, pp.72-104, ISBN. 978-3-319-11905-2

• Lee KY, Seah CM, Yeoh WM, Chai SP, Mohamed AR. (2012). The role of molybdenum as catalyst promoter in the growth of carbon nanotubes. Chapter 7 in edited book "Molybdenum: Characteristics, Production and Application" Ed. Matías Ortiz and Thiago Herrera, Nova Publishers, pp. 201-214, ISBN 978-1-61470-504-8