Dr. Ruijie Ma

I'm currently a PostDoc guided by Prof. Gang Li, The Hong Kong Polytechnic University, whose research interests lie in photovoltaic technology based on organic materials and perovskite. I finished my Ph.D. study at The Hong Kong University of Science and Technology under Prof. He Yan's supervision in a 4-year duration.

Google Scholar: https://scholar.google.com.hk/citations?view_op=list_works&hl=zh-CN&user=Wcyk2uUAAAAJ

Research Gate: https://www.researchgate.net/profile/Ruijie-Ma-3

Research ID: AAH-9191-2020 

ORCID: 0000-0002-7227-5164 

Education

2014.08 - 2018.06, B.S. in Physics, Zhejiang University

2018.08 - 2022.07, Ph.D. in Chemistry, The Hong Kong University of Science and Technology

Job Career

2022.12 - now, Postdoc Fellow, The Hong Kong Polytechnic University.

2022.08 - 2022.11, Research Assistant, The Hong Kong Polytechnic University.

Contact

Email: ruijie.ma@polyu.edu.hk; rmaaf@connect.ust.hk

Phone No/ Wechat/ Whatsapp: +852 51705781

Awards & Honors:

2023: Chinese Scientists with Cell Press: Best Paper Award (Matter paper)

2023: Clarivate Highly Cited Researchers 2023 in Cross Field.

2023: 2% Top Scientist by Elsevier.

2023: 33rd CCS Congress (June @ Qingdao), Best Poster Award.

2022: Clarivate Highly Cited Researchers 2022 in Cross Field.

2022: PolyU Distinguished Postdoctoral Fellowship 2022.

2022: Matter, 1 of 6 most exciting papers in the past three years.

2021: Best paper awards for 6th outstanding paper selection plan of China Association of Science and Technology 

2020: Chinese Scientists with Cell Press: Best Paper Award (Joule paper)

2018: The Hong Kong PhD Fellowship Scheme: PF17-03929

2017: Zhejiang Provincial Government Scholarship

2016: Samsung Scholarship

Collaborators:

Prof. Xinhui Lu, The Chinese University of Hong Kong

Prof. Long Ye, Tianjin University

Prof. Wei Ma & Prof. Qunping Fan, Xi'an Jiaotong University

Prof. Peter Müller-Buschbaum & Dr. Xinyu Jiang, Technische Universität München 

Prof. Chuluo Yang & Prof. Zhenghui Luo, Shenzhen University

Prof. Jiaying Wu & Prof. Mingjie Li & Mr. Top Archie Dela Pena, HKUST-GZ or Hong Kong Polytechnic University

Prof. Zhanhua Wei, Prof. Wei Gao, Huaqiao University

Prof. Guangye Zhang, Shenzhen Technology University

Prof. Pei Cheng, Prof. Cenqi Yan and Dr. Hongxiang Li, Sichuan University

Prof. Huiliang Sun, Guangzhou University

Prof. Chaohua Cui, Dr. Yue Wu, Suzhou University

Peer Reviewer for:

<Angewandte Chemie>, <Advanced Materials>, <Advanced Energy Materials>, <Advanced Functional Materials>, <Aggregate>, <Advanced Science>, <ACS Materials Letters>, <Science China Chemistry>, <Chinese Journal of Chemistry>, <ACS Applied Optical Materials>


Youth Editorial Member for Journals:

<Green Carbon>, <Nexus> 

Selective Publications:

PostDoc period

39. Tu, L.; Wang, H.; Duan, W.; Ma, R.*; Jia, T.; Dela Peña, T. A. P.; Luo, Y.; Wu, J.; Li, M.; Xia, X.; Wu, S.; Chen, K.*; Wu, Y.; Huang, Y.; Yang, K.; Li, G.*; Shi, Y.*, Cyano-Functionalized Pyrazine: An Electron-Deficient Unit as Solid Additive Enables Binary Organic Solar Cells With 19.67% Efficiency. Energy Environ. Sci. 2024.

38. Chen, L.#; Yi, J.#; Ma, R.*; Dela Peña, T. A.; Luo, Y.; Wang, Y.; Wu, Y.; Zhang, Z.; Hu, H.; Li, M.; Wu, J.; Zhang, G.*; Yan, H.*; Li, G., 19% efficiency in organic solar cells of Benzo[1,2-b:4,5-b′]Difuran-based donor polymer realized by volatile + non-volatile dual-solid-additive strategy. Materials Science and Engineering: R: Reports 2024, 159, 100794.

37. Peng, M.; Wu, H.; Wu, L.; Chen, J.*; Ma, R.*; Fan, Q.; Tan, H.; Zhu, W.; Li, H.; Ding, J.*, π-Extended giant dimeric acceptor as a third component enables highly efficient ternary organic solar cells with efficiency over 19.2%. Journal of Energy Chemistry 2024. 95, 263-270.

36. Chandran, H. T.; Mahadevan, S.; Ma, R.; Tang, Y.; Zhu, T.; Zhu, F.; Tsang, S.-W.; Li, G.*, Deriving the linear dynamic range of next-generation thin-film photodiodes: Pitfalls and guidelines. Appl Phys Lett 2024, 124 (10), 101113.

35. Bai, H.; Fan, Q.*; Ma, R.*; Guo, X.; Ma, W.; Zhang, M.*, Non-Fully Conjugated Photovoltaic Materials with Y-Series Acceptor Backbone for High-Performance Organic Solar Cells†. Chin. J. Chem . 2024, 42 (11), 1307-1318.

34. Gao, W.; Ma, R.*; Zhu, L.*; Li, L.; Lin, F. R.; Dela Peña, T. A.; Wu, J.; Li, M.; Zhong, W.; Wu, X.; Fink, Z.; Tian, C.; Liu, F.; Wei, Z.; Jen, A. K. Y.*; Li, G.*, 3D Crystal Framework Regulation Enables Se-Functionalized Small Molecule Acceptors Achieve Over 19% Efficiency. Adv. Energy Mater. 2024, n/a (n/a), 2304477.

33. Wu, W.#; Luo, Y.#; Dela Peña, T. A.#; Yao, J.; Qammar, M.; Li, M.; Yan, H.*; Wu, J.*; Ma, R.*; Li, G., Defining Solid Additive's Pivotal Role on Morphology Regulation in Organic Solar Cells Produced by Layer-by-layer Deposition. Adv. Energy Mater. 2024, n/a (n/a), 2400354.

32. Gao, W.#; Ma, R.#*; Dela Peña, T. A.#; Yan, C.; Li, H.*; Li, M.; Wu, J.; Cheng, P.; Zhong, C.; Wei, Z.; Jen, A. K. Y.*; Li, G.*, Efficient all-small-molecule organic solar cells processed with non-halogen solvent. Nat. Commun. 2024, 15 (1), 1946.

31. Hu, H.*; Liu, S.; Xu, J.; Ma, R.*; Peng, Z.; Dela Peña, T. A.; Cui, Y.; Liang, W.; Zhou, X.; Luo, S.; Yu, H.; Li, M.; Wu, J.; Chen, S.; Li, G.; Chen, Y.*, Over 19% Efficiency Organic Solar cells Enabled by Manipulating the Intermolecular Interactions through Side Chain Fluorine Functionalization. Angew. Chem. Int. Ed. 2024, 63 (15), e202400086.

30. Lin, T.#; Hai, Y.#; Luo, Y.#; Feng, L.; Jia, T.*; Wu, J*; Ma, R.; Dela Peña, T. A.; Li, Y.; Xing, Z.; Li, M.; Wang, M.; Xiao, B.*; Wong, K. S.; Liu, S.*; Li, G., Isomerization of Benzothiadiazole Yields A Promising Polymer Donor and Organic Solar Cells with Efficiency of 19.0%. Adv. Mater. 2024, n/a (n/a), 2312311.

29. Liao, X.; Liu, M.; Pei, H.; Zhu, P.; Xia, X.; Chen, Z.; Zhang, Y.; Wu, Z.; Cui, Y.; Xu, G.; Gao, M.; Ye, L.; Ma, R.; Liu, T.; Lu, X.; Zhu, H.; Chen, Y., Regulating Crystallinity Mismatch Between Donor and Acceptor to Improve Exciton/Charge Transport in Efficient Organic Solar Cells. Angew. Chem. Int. Ed. 2024, 63 (11), e202318595.

28. Jiang, D.; Sun, J.; Ma, R.; Wong, V. K.; Yuan, J.; Gao, K.; Chen, F.; So, S. K.; Hao, X.; Li, G.; Yin, H., Extracting charge carrier mobility in organic solar cells through space-charge-limited current measurements. Materials Science and Engineering: R: Reports 2024, 157, 100772.

27. He, W.; Li, H.; Ma, R.; Yan, X.; Yu, H.; Hu, Y.; Hu, D.; Qin, J.; Cui, N.; Wang, J.; Lu, S.; Yan, C.*; Li, G.; Cheng, P.*, In Situ Self-Assembly of Trichlorobenzoic Acid Enabling Organic Photovoltaics with Approaching 19% Efficiency. Advanced Functional Materials 2023, 34 (14), 2313594.

26. Zou, B.#; Wu, W.#; Dela Peña, T. A.#; Ma, R.*; Luo, Y.; Hai, Y.; Xie, X.; Li, M.; Luo, Z.*; Wu, J.*; Yang, C.; Li, G.; Yan, H.*, Step-by-Step Modulation of Crystalline Features and Exciton Kinetics for 19.2% Efficiency Ortho-Xylene Processed Organic Solar Cells. Nano-Micro Letters 2023, 16 (1), 30.

25. Wei, W.; Ma, R.; Chen, Z.; Xu, T.; Li, G.; Luo, Z.*, Regulating the electron-deficient component in A-DA1D-A typed small-molecule acceptors for high-performance organic solar cells. Chin. J. Chem . 2024, 42 (6), 623-630.

24. Xian, K.; Ma, R.*; Zhou, K.; Liu, J.; Gao, M.; Zhao, W.; Li, M.; Geng, Y.; Ye, L.*, Miscibility screening promotes the efficiency and stability of P3HT-based organic solar cells. Aggregate 2023, n/a (n/a), e466.

23. Dela Peña, T. A.; Ma, R.*; Luo, Y.; Xing, Z.; Wei, Q.; Hai, Y.; Li, Y.; Garcia, S. A.; Yeung, K. L.; Jia, T.; Wong, K. S.; Yan, H.; Li, G.*; Li, M.*; Wu, J.*, Manipulating the Charge Carriers Through Functionally Bridged Components Advances Low-Cost Organic Solar Cells with Green Solvent Processing. Adv. Energy Mater. 2024, 14 (1), 2303169.

22. Chen, L.#; Ma, R.#*; Yi, J.#; Dela Peña, T. A.; Li, H.; Wei, Q.; Yan, C.; Wu, J.; Li, M.; Cheng, P.; Yan, H.; Zhang, G.*; Li, G.*, Exploiting the donor-acceptor-additive interaction's morphological effect on the performance of organic solar cells. Aggregate 2023, n/a (n/a), e455.

21. Bai, H.; Ma, R.*; Su, W.*; Peña, T. A. D.; Li, T.; Tang, L.; Yang, J.; Hu, B.; Wang, Y.; Bi, Z.; Su, Y.; Wei, Q.; Wu, Q.*; Duan, Y.; Li, Y.; Wu, J.; Ding, Z.; Liao, X.; Huang, Y.; Gao, C.; Lu, G.; Li, M.; Zhu, W.; Li, G.*; Fan, Q.*; Ma, W.*, Green-Solvent Processed Blade-Coating Organic Solar Cells with an Efficiency Approaching 19% Enabled by Alkyl-Tailored Acceptors. Nano-Micro Letters 2023, 15 (1), 241.

20. Xia, H.; Zhang, Y.*; Liu, K.; Deng, W.; Zhu, M.; Tan, H.; Fong, P. W. K.; Liu, H.; Xia, X.; Zhang, M.; Dela Peña, T. A. P.; Ma, R.; Li, M.; Wu, J.; Lang, Y.; Fu, J.; Wong, W.-Y. R.; Lu, X.; Zhu, W.*; Li, G.*, Oligomeric Semiconductors Enable High Efficiency Open Air Processed Organic Solar Cells by Modulating Pre-aggregation and Crystallization Kinetics. Energy Environ. Sci. 2023, 16 (12), 6078-6093.

19.  Liu, B.; Xu, W.; Ma, R.; Lee, J.-W.; Dela Peña, T. A.; Yang, W.; Li, B.; Li, M.; Wu, J.; Wang, Y.; Zhang, C.; Yang, J.; Wang, J.; Ning, S.; Wang, Z.; Li, J.; Wang, H.; Li, G.; Kim, B. J.; Niu, L.*; Guo, X.*; Sun, H.*, Isomerized Green Solid Additive Engineering for Thermally-Stable and Eco-Friendly All-Polymer Solar Cells with Approaching 19% Efficiency. Adv. Mater.  2023, 35 (49), 2308334.

18. Zhang, W.; Wu, Y.*; Ma, R.; Fan, H.; Li, X.; Yang, H.; Cui, C.*; Li, Y., Molecular Stacking and Aggregation Optimization of Photoactive Layer through Solid Additive Enables High-Performance Organic Solar Cells. Angew. Chem. Int. Ed. 2023, 62(43), e202309713.

17. Zhou, K.; Xian, K.; Ma, R.; Liu, J.; Gao, M.; Li, S.; Liu, T.; Chen, Y.; Geng, Y.; Ye, L.*, Correlating Miscibility, Mechanical Parameters, and Stability of Ternary Polymer Blends for High-Performance Solar Cells. Energy Environ. Sci. 2023, 16 (11), 5052-5064.

16. Fan, Q.*#; Ma, R.*#; Yang, J.#; Gao, J.; Bai, H.; Su, W.*; Liang, Z.; Wu, Y.; Tang, L.; Li, Y.; Wu, Q.; Wang, K.; Yan, L.; Zhang, R.*; Gao, F.; Li, G.*; Ma, W.*, Unidirectional Sidechain Engineering to Construct Dual-Asymmetric Acceptors for 19.23% Efficiency Organic Solar Cells with Low Energy Loss and Efficient Charge Transfer. Angew. Chem. Int. Ed. 2023, 62(36), e202308307.

15. Ma, R.; Li, H.; Peña, T. A. D.; Xie, X.; Fong, P. W.-K.; Wei, Q.; Yan, C.; Wu, J.; Cheng, P.; Li, M.; Li, G.*, Tunable Donor Aggregation Dominance in Ternary Matrix of All-polymer Blends with Improved Efficiency And Stability. Adv. Mater. 2024, 36(n/a) 2304632.

14. Zhao, C.#; Ma, R.#; Hou, Y.#; Zhu, L.; Zou, X.; Xiong, W.; Hu, H.*; Wang, L.; Yu, H.; Wang, Y.; Zhang, G.; Yi, J.; Chen, L.; Wu, D.; Yang, T.; Li, G.; Qiu, M.*; Yan, H.*; Li, S.*; Zhang, G.*, 18.1% Ternary All-Polymer Solar Cells Sequentially Processed from Hydrocarbon Solvent with Enhanced Stability. Adv. Energy Mater. 2023, 13(31), 2300904.

13. Dela Peña, T. A. P.; Ma, R.*; Xing, z.; Wei, Q.; Khan, J. I.; Young, R. M.; Hai, Y.; Garcia, Sheena A. H.; Zou, X.; Jin, Z.; Ng, F. L.; Yeung, K. L.; Swearer, D.; Wasielewski, M. R.; Wang, J.; cha, H.; He, Y.; Wong, K. S.; Li, G.*; Li, M.*; Wu, J.*, Interface Property-Functionality Interplay: Suppresses Bimolecular Recombination Facilitating Above 18% Efficiency Organic Solar Cells Embracing Simplistic Fabrication. Energy Environ. Sci. 2023. 16(8), 3416-3429

12. Xu, T.#; Luo, Z.*#; Ma, R.*; Chen, Z.; Dela Peña, T. A.; Liu, H.; Wei, Q.; Li, M.; Zhang, C. e.; Wu, J.; Lu, X.; Li, G.*; Yang, C.*, High-Performance Organic Solar Cells Containing Pyrido[2,3-b]quinoxaline-Core-Based Small-Molecule Acceptors with Optimized Orbit Overlap Lengths and Molecular Packing. Angew. Chem. Int. Ed. 2023, 62 (30), e202304127.

11. Zhou, C.; Han, Y.; Cheng, L.; Ma, R.*; Wang, F.; Weng, S.; Yu, G.; Lin, F.; Zhou, K.; Hu, H.; Liang, X.; Wang, Y.*; Lin, H.*; Li, G.*, Favorable Morphology and Compositional Distribution Enables Efficient and Stable Quasi-2D Dion-Jacobson Perovskite Solar Cells. J. Mater. Chem. A 2023, 11 (21), 11377-11387.

10. Chen, L.#; Yi, J.#; Ma, R.*#; Ding, L.; Dela Peña, T. A.; Liu, H.; Chen, J.; Zhang, C.; Zhao, C.; Lu, W.; Wei, Q.; Zhao, B.; Hu, H.; Wu, J.; Ma, Z.; Lu, X.; Li, M.; Zhang, G.*; Li, G.*; Yan, H.*, An Isomeric Solid Additive Enables High-Efficiency Polymer Solar Cells Developed Using a Benzo-difuran-based Donor Polymer. Adv. Mater. 2023, 35 (26), 2301231.

9. Ma, R.#; Jiang, X.#; Fu, J.; Zhu, T.; Yan, C.; Wu, K.; Müller-Buschbaum, P.*; Li, G.*, Revealing the underlying solvent effect on film morphology in high-efficiency organic solar cells through combined ex situ and in situ observations. Energy Environ. Sci. 2023, 16 (5), 2316-2326.

8. Li, D.#; Huang, Y.#; Ma, R.*; Liu, H.; Liang, Q.; Han, Y.; Ren, Z.; Liu, K.; Fong, P. W.-K.; Zhang, Z.; Lian, Q.; Lu, X.; Cheng, C.*; Li, G.*, Surface Regulation with Polymerized Small Molecular Acceptor Towards Efficient Inverted Perovskite Solar Cells. Adv. Energy Mater. 2023, 13 (18), 2204247.

7. Ma, R.; Fan, Q.*; Dela Peña, T. A.; Wu, B.; Liu, H.; Wu, Q.; Wei, Q.; Wu, J.; Lu, X.; Li, M.; Ma, W.*; Li, G.*, Unveiling the Morphological and Physical Mechanism of Burn-in Loss Alleviation by Ternary Matrix Toward Stable and Efficient All-Polymer Solar Cells. Adv. Mater. 2023, 35 (18), 2212275.

6. Liang, W.; Huang, J.; Wang, Z.; Huang, C.; Wei, Q.; Liao, C.; Ma, R.*; Liu, T.*; Zhu, W.*; Li, Y.*, Enhancing Efficiency of Organic Solar Cells with Alkyl Diamines Doped PEDOT: PSS. ACS Materials Letters 2023, 5 (3), 656-663.

5. Fan, Q.; Ma, R.*; Bi, Z.; Liao, X.; Wu, B.; Zhang, S.; Su, W.; Fang, J.; Zhao, C.; Yan, C.; Chen, K.; Li, Y.; Gao, C.; Li, G.; Ma, W., 19.28% Efficiency and Stable Polymer Solar Cells Enabled by Introducing an NIR-Absorbing Guest Acceptor. Advanced Functional Materials 2023, 33 (8), 2211385.

4.  Liu, T.*#; Zhou, K.#; Ma, R.*; Zhang, L.; Huang, C.; Luo, Z.; Zhu, H.; Yao, S.; Yang, C.; Zou, B.*; Ye, L.*, Multifunctional all-polymer photovoltaic blend with simultaneously improved efficiency (18.04%), stability and mechanical durability. Aggregate 2022, 4 (3), e308.

3. Zhao, C.; Ma, R.*; Oh, J.; Wang, L.; Zhang, G.; Wang, Y.; He, S.; Zhu, L.; Yang, C.; Zhang, G.*; Li, G.*, Highly Efficient and Stable Binary All-polymer Solar Cells Enabled by Sequential Deposition Processing Tuned Microstructure. J Mater Chem C 2022, 10 (47), 17899-17906.

2. Fan, Q.*; Ma, R.*; Su, W.*; Zhu, Q.; Luo, Z.*; Chen, K.; Tang, Y.; Lin, F.; Li, Y.; Yan, H.*; Jen, A. -K-Y.*; Ma, W.*, A New Perspective to Develop Regiorandom Polymer Acceptors with High Active Layer Ductility, Excellent Device Stability, and High Efficiency Approaching 17%. Carbon Energy. 2023, 5 (2), e267.  (ESI Hot Paper)

1. Ma, R.; Yan, C.; Yu, J.; Liu, T.; Liu, H.; Li, Y.; Chen, J.; Luo, Z.; Tang, B.; Lu, X.; Li, G.; Yan, H., High-Efficiency Ternary Organic Solar Cells with a Good Figure-of-Merit Enabled by Two Low-Cost Donor Polymers. ACS Energy Lett. 2022,  7(8), 2547-2556. (ESI Hot Paper, ESI Highly Cited Paper)


Ph.D. student period

1. Ma, R.; Yan, C.; Fong, P. W.-K.; Yu, J.; Liu, H.; Yin, J.; Huang, J.; Lu, X.; Yan, H.; Li, G., In situ and ex situ investigations on ternary strategy and co-solvent effects towards high-efficiency organic solar cells. Energy Environ. Sci. 2022, 15 (6), 2479-2488. (EES Recent Hot Articles 2022, ESI Hot Paper, ESI Highly Cited Paper)

2. Ma, R.; Zhou, K.; Sun, Y.; Liu, T.; Kan, Y.; Xiao, Y.; Dela Peña, T. A.; Li, Y.; Zou, X.; Xing, Z.; Luo, Z.; Wong, K. S.; Lu, X.; Ye, L.; Yan, H.; Gao, K., Achieving high efficiency and well-kept ductility in ternary all-polymer organic photovoltaic blends thanks to two well miscible donors. Matter 2022, 5 (2), 725-734. (ESI Hot Paper)

3. Ma, R.; Zeng, M.; Li, Y.; Liu, T.; Luo, Z.; Xu, Y.; Li, P.; Zheng, N.; Li, J.; Li, Y.; Chen, R.; Hou, J.; Huang, F.; Yan, H., Rational Anode Engineering Enables Progresses for Different Types of Organic Solar Cells. Adv. Energy Mater. 2021, 11 (23), 2100492. (ESI Hot Paper)

4. Ma, R.; Liu, T.; Luo, Z.; Gao, K.; Chen, K.; Zhang, G.; Gao, W.; Xiao, Y.; Lau, T.-K.; Fan, Q.; Chen, Y.; Ma, L.-K.; Sun, H.; Cai, G.; Yang, T.; Lu, X.; Wang, E.; Yang, C.; Jen, A. K. Y.; Yan, H., Adding a Third Component with Reduced Miscibility and Higher LUMO Level Enables Efficient Ternary Organic Solar Cells. ACS Energy Lett. 2020, 5 (8), 2711-2720. (ESI Hot Paper)

5. Ma, R.; Yu, J.; Liu, T.; Zhang, G.; Xiao, Y.; Luo, Z.; Chai, G.; Chen, Y.; Fan, Q.; Su, W.; Li, G.; Wang, E.; Lu, X.; Gao, F.; Tang, B.; Yan, H., All-polymer solar cells with over 16% efficiency and enhanced stability enabled by compatible solvent and polymer additives. Aggregate 2022, 3 (3), e58. (ESI Hot paper; Special Issue Dedicated to Professor Yongfang Li)

6. Ma, R.; Liu, T.; Luo, Z.; Guo, Q.; Xiao, Y.; Chen, Y.; Li, X.; Luo, S.; Lu, X.; Zhang, M.; Li, Y.; Yan, H., Improving open-circuit voltage by a chlorinated polymer donor endows binary organic solar cells efficiencies over 17%. Sci. China Chem. 2020, 63 (3), 325-330. (ESI Hot paper; Best Paper Awards of 6th China Association for Science and Technology SelectionSelection; Best Paper of theJournal in 2020)

7. Ma, R.; Tao, Y.; Chen, Y.; Liu, T.; Luo, Z.; Guo, Y.; Xiao, Y.; Fang, J.; Zhang, G.; Li, X.; Guo, X.; Yi, Y.; Zhang, M.; Lu, X.; Li, Y.; Yan, H., Achieving 16.68% efficiency ternary as-cast organic solar cells. Sci. China Chem. 2021, 64 (4), 581-589. (ESI Hot Paper)

8. Luo, Z.; Ma, R.; Liu, T.; Yu, J.; Xiao, Y.; Sun, R.; Xie, G.; Yuan, J.; Chen, Y.; Chen, K.; Chai, G.; Sun, H.; Min, J.; Zhang, J.; Zou, Y.; Yang, C.; Lu, X.; Gao, F.; Yan, H., Fine-Tuning Energy Levels via Asymmetric End Groups Enables Polymer Solar Cells with Efficiencies over 17%. Joule 2020, 4 (6), 1236-1247. (ESI Hot Paper; Chinese Scientists with Cell Press Best Paper Awards 2020)

9. Liu, T.; Yang, T.; Ma, R.; Zhan, L.; Luo, Z.; Zhang, G.; Li, Y.; Gao, K.; Xiao, Y.; Yu, J.; Zou, X.; Sun, H.; Zhang, M.; Dela Peña, T. A.; Xing, Z.; Liu, H.; Li, X.; Li, G.; Huang, J.; Duan, C.; Wong, K. S.; Lu, X.; Guo, X.; Gao, F.; Chen, H.; Huang, F.; Li, Y.; Li, Y.; Cao, Y.; Tang, B.; Yan, H., 16% efficiency all-polymer organic solar cells enabled by a finely tuned morphology via the design of ternary blend. Joule 2021, 5 (4), 914-930. (ESI Hot Paper)

10. Ma, R.; Yang, T.; Xiao, Y.; Liu, T.; Zhang, G.; Luo, Z.; Li, G.; Lu, X.; Yan, H.; Tang, B., Air-Processed Efficient Organic Solar Cells from Aromatic Hydrocarbon Solvent without Solvent Additive or Post-Treatment: Insights into Solvent Effect on Morphology. Energy Environ. Mater. 2021, DOI: 10.1002/eem2.12226. (ESI Highly Cited Paper)

11. Ma, R.; Li, G.; Li, D.; Liu, T.; Luo, Z.; Zhang, G.; Zhang, M.; Wang, Z.; Luo, S.; Yang, T.; Liu, F.; Yan, H.; Tang, B., Understanding the Effect of End Group Halogenation in Tuning Miscibility and Morphology of High-Performance Small Molecular Acceptors. Solar RRL 2020, 4 (9), 2000250. (ESI Hot Paper)

12. Ma, R.; Chen, Y.; Liu, T.; Xiao, Y.; Luo, Z.; Zhang, M.; Luo, S.; Lu, X.; Zhang, G.; Li, Y.; Yan, H.; Chen, K., Improving the performance of near infrared binary polymer solar cells by adding a second non-fullerene intermediate band-gap acceptor. J Mater Chem C 2020, 8 (3), 909-915. (ESI Hot Paper)

13. Chen, Y.; Ma, R.; Liu, T.; Xiao, Y.; Kim, H. K.; Zhang, J.; Ma, C.; Sun, H.; Bai, F.; Guo, X.; Wong, K. S.; Lu, X.; Yan, H., Side-Chain Engineering on Y-Series Acceptors with Chlorinated End Groups Enables High-Performance Organic Solar Cells. Adv. Energy Mater. 2021, 11 (20), 2003777.

14. Su, N.; Ma, R.; Li, G.; Liu, T.; Feng, L.-W.; Lin, C.; Chen, J.; Song, J.; Xiao, Y.; Qu, J.; Lu, X.; Sangwan, V. K.; Hersam, M. C.; Yan, H.; Facchetti, A.; Marks, T. J., High-Efficiency All-Polymer Solar Cells with Poly-Small-Molecule Acceptors Having π-Extended Units with Broad Near-IR Absorption. ACS Energy Lett. 2021, 6 (2), 728-738. (ESI Highly Cited Paper)

15. Luo, Z.; Ma, R.; Yu, J.; Liu, H.; Liu, T.; Ni, F.; Hu, J.; Zou, Y.; Zeng, A.; Su, C.-J.; Jeng, U. S.; Lu, X.; Gao, F.; Yang, C.; Yan, H., Heteroheptacene-based acceptors with thieno[3,2-b]pyrrole yield high-performance polymer solar cells. National Science Review 2022, nwac076.

16. Guo, Q.; Ma, R.; Hu, J.; Wang, Z.; Sun, H.; Dong, X.; Luo, Z.; Liu, T.; Guo, X.; Guo, X.; Yan, H.; Liu, F.; Zhang, M., Over 15% Efficiency Polymer Solar Cells Enabled by Conformation Tuning of Newly Designed Asymmetric Small-Molecule Acceptors. Adv. Funct. Mater. 2020, 30 (21), 2000383. (ESI Hot Paper)

17. Liu, T.; Ma, R.; Luo, Z.; Guo, Y.; Zhang, G.; Xiao, Y.; Yang, T.; Chen, Y.; Li, G.; Yi, Y.; Lu, X.; Yan, H.; Tang, B., Concurrent improvement in JSC and VOC in high-efficiency ternary organic solar cells enabled by a red-absorbing small-molecule acceptor with a high LUMO level. Energy Environ. Sci. 2020, 13 (7), 2115-2123. (ESI Hot Paper)

18. Luo, Z.; Liu, T.; Ma, R.; Xiao, Y.; Zhan, L.; Zhang, G.; Sun, H.; Ni, F.; Chai, G.; Wang, J.; Zhong, C.; Zou, Y.; Guo, X.; Lu, X.; Chen, H.; Yan, H.; Yang, C., Precisely Controlling the Position of Bromine on the End Group Enables Well-Regular Polymer Acceptors for All-Polymer Solar Cells with Efficiencies over 15%. Adv. Mater. 2020, 32 (48), 2005942. (ESI Hot Paper)

19. Fan, Q.; Ma, R.; Liu, T.; Yu, J.; Xiao, Y.; Su, W.; Cai, G.; Li, Y.; Peng, W.; Guo, T.; Luo, Z.; Sun, H.; Hou, L.; Zhu, W.; Lu, X.; Gao, F.; Moons, E.; Yu, D.; Yan, H.; Wang, E., High-performance all-polymer solar cells enabled by a novel low bandgap non-fully conjugated polymer acceptor. Sci. China Chem. 2021, 64 (8), 1380-1388. (ESI Hot Paper)

20. Yan, C.; Tang, H.; Ma, R.; Zhang, M.; Liu, T.; Lv, J.; Huang, J.; Yang, Y.; Xu, T.; Kan, Z.; Yan, H.; Liu, F.; Lu, S.; Li, G., Synergy of Liquid-Crystalline Small-Molecule and Polymeric Donors Delivers Uncommon Morphology Evolution and 16.6% Efficiency Organic Photovoltaics. Advanced Science 2020, 7 (15), 2000149. (ESI Highly Cited Paper)