Research Articles
84. S.-H. Lee, M. Choi, J. Moon, J. Choi, S.-W. Kim, S. J. Lim, S. Kim*
"Poly(dialydimethylammonium chloride)-functionalized graphene composites with copper hexacyanoferrate for enhanced cesium removal via capacitive deionization"
Journal of Alloys and Compounds, 1036, 182059 (2025)
83. S. V. Mohite, A. Kirakosyan, K. An, Y. Shim, J. Choi*, Y. Kim*
"Molecular additive-driven control of Cu/Cu₂O nanoparticle growth on mesoporous silica for enhanced photocatalytic hydrogen production"
Nanoscale, In Press (2025)
82. C.-Y. Kim, M.-G. Jeon, A. Kirakosyan, ..., J. Choi*, H. U. Lee*
"Modulating Energy Band Structure of CsPbBr3@TiO2 composites for Enhanced Photocatalytic and Anti-Superbacterial Performance"
Journal of Water Process Engineering, 75, 107916 (2025)
81. J. Kim, M.-G. Jeon, S. Yun, A. Kirakosyan, J. Choi*
"Suppressed metal cation diffusion in perovskite light emitting diodes via blending amino acids with PEDOT:PSS"
ACS Photonics, 12, 971 (2025)
80. M.-G. Jeon, G. H. An, A. Kirakosyan, C.-Y. Kim, S. Yun, J. Kim, H. S. Lee*, J. Choi*
"Suppressed Thermal Quenching via Tetrafluoroborate-Induced Surface Reconstruction of CsPbBr3 Nanocrystals for Efficient Perovskite Light-Emitting Diodes"
ACS Nano, 18, 29078 (2024)
79. S. Yun, M.-G. Jeon, A. Kirakosyan, J. Kim, J. Choi*
"Reduced phonon coupling via controlled defect levels in blue emitting CsPbBr3 nanoplatelets"
Chemical Engineering Journal, 489, 151267 (2024)
78. V.-H. Vuong, S. Ippili, S.V.N. Pammi, J. Bae, T.-Y. Yang, M. J. Jeong, H. S. Chang, M.-G. Jeon, J. Choi, M. T. Tran, V.-D. Tran, V. Jella,* and S.-G. Yoon
"Enhanced Responsivity and Photostability of Cs3Bi2I9-Based Self-Powered Photodetector via Chemical Vapor Deposition Engineering"
Small Methods, 2400310 (2024)
77. S. Han, T. Kim, J. Lee, G. Kim, M. Hyun, D. Hong, J. Choi*
"Controlled adsorption of gas molecules by tuning porosity of titanium film"
Smart Materials and Structures, 33, 035008 (2024)
76. J. Kim, S. Yun, M.-G. Jeon, A. Kirakosyan, J. Choi*
"Colloidal synthesis and optical properties of Cs2ZnBr4 and Cs3ZnBr5 nanocrystals"
J. Photochem. Photobiol. A, 448, 115335 (2024)
75. T. N. Thi, P. C. Van, A. Kirakosyan, C. Hwang, J. Choi, H. Kim*, J.-R. Jeong*
"Effect of heat-treatment temperature on the formation of ε-Fe2O3 nanoparticles encapsulated by SiO2"
Journal of Magnetics, 28, 239 (2023)
74. Y. Z. Kang, G. H. An, M.-G. Jeon, S. J. Shin, S. J. Kim, M. Choi, J. B. Lee, T. Y. Kim, I. N. Rahman, H. Y. Seo, S. Oh, B. Cho, J. Choi*, H. S. Lee*
"Increased mobility and reduced hysteresis of MoS2 field-effect transistors via direct surface precipitation of CsPbBr3-nanoclusters for charge trasfer doping"
Nano Letters, 23, 8914 (2023)
73. S. V. Mohite, S. Kim, J. Bae, H. J. Jeong, T. W. Kim, J. Choi*, Y. Kim*
"Defects healing of the ZnO surface by filling with Au atom catalysts for efficient photocatalytic H2 production"
Small, 602, 2304393 (2023)
72. A. Kirakosyan, D. Lee, Y. Choi, N. Jung, J. Choi*
"Poly(styrene sulfonate acid)-grafted carbon black synthesized by surface-initiated atom transfer radical polymerization"
Molecules, 28, 4168 (2023)
71. S. Yun, M.-G. Jeon, A. Kirakosyan, C.-Y. Kim, J. Choi*
"Efficient Zn2+ doping into CsBr nanocrystals using benzoyl bromide"
J. Photochem. Photobiol. A, 442, 114760 (2023)
70. M.-G. Jeon, A. Kirakosyan, C. H. Shin, S. Yun, J. Kim, L. Li*, J. Choi*
"Overcoming charge transfer barriers via electrostatically stabilized CsPbBr3 nanocrystals for efficient perovskite light-emitting diodes"
Chemical Engineering Journal, 462, 142120 (2023)
69. S. Di, S. Chen, C. Chang, S. Wang, J. Choi*, L. Li*
"Enhancement of polysulfide trapping induced by faceted ferroelectric for high-performance Li-S batteries"
Scripta Materialia, 226, 115218 (2023)
68. K. N. Chaudhari, K. K. Rajeev, S. Kim, H. Nersisyan, A. Kirakosyan, W. Jang, J. Choi, J. H. Lee, T.-H. Kim*, Y. Kim*
"Performance enhancement of carbon-coated Si nanoparticles for Li-ion batteries through the generation of lithophilic sites by a simple oxidation process"
Applied Surface Science, 602, 154361 (2022)
67. M.-G. Jeon, R. MD Kabir, S. Kim, A. Kirakosyan, C.-Y. Kim, S. M. Lee, D.-H. Lee, Y. Kim*, J. Choi*
"Highly processable and stable PMMA-grafted CsPbBr3-SiO2 nanoparticles for down-conversion photoluminescence"
Composites Part B: Engineering, 239, 109956 (2022)
66. A. Kirakosyan, M. R. Sihn, M.-G. Jeon, R. MD Kabir, J. Choi*
"Self-aligned CH3NH3PbBr3 perovskite nanowires via dielectrophoresis for gas sensing applications"
Applied Materials Today, 26, 101307 (2022)
65. M. Ko, A. Kirakosyan, H.-U. Kim, H. Seok, J. Choi*, N. Jeon*
"A new nanoparticle heterostructure strategy with highly tunable morphology via sequential infiltration synthesis"
Applied Surface Science, 593, 153387 (2022)
64. S.-H. Lee, M. Choi, Y.-I. Jung, S.-J. Sim, J.-K. Moon, J. Choi, S. Kim*
"Deposition and characterization of silicon thin film on stainless steel by electron beam evaporation"
Thin Solid Films, 756, 139380 (2022)
63. S.-H. Lee, M. Choi, J.-K. Moon, S.-W. Lee, S. Lee, I. Ryu, J. Choi, S. Kim*
"Electrosorption removal of cesium ions with a copper hexacyanoferrate electrode in a capacitive deionization (CDI) system"
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 647, 129175 (2022)
62. S.-H. Lee, M. Choi, J.-K. Moon, S. Lee, J. Choi, S. Kim*
"Electrochemical removal of cesium ions via capacitive deionization using ion-exchange layer coated on a carbon electrode"
Applied Sciences, 11, 10042 (2021)
61. A. Kirakosyan, M.-G. Jeon, L. Li, J. Choi*
"Suppressed phase and structural evolution of (CH3NH3)PbBr3 microwires to (CH3)2NH2PbBr3 by addition of hydrazine bromide"
Applied Surface Science , 566, 150691 (2021)
60. A. Kirakosyan, M.-G. Jeon, C.-Y. Kim, Y. Kim*, J. Choi*
"Binary ligands-mediated morphological evolution of methylammonium lead bromide nanocrystals"
CrystEngComm, 23, 4434 (2021)
59. S. Yang, C. Liuv, H. Li, S. Wang, J. Choi, L. Li*
"Quantum dot heterostructure with directional charge transfer channels for high sodium storage"
Energy Storage Mater., 39, 278 (2021)
58. M. R. Sihn, A. Kirakosyan, M.-G. Jeon, J. Choi*
"Suppressed Mn2+ doping in organometal halide perovskite nanocrystals by formation of two-dimenstional (CH3NH3)2MNCl4"
ChemComm, 57, 5055 (2021)
57. A. Kirakosyan, Y. Kim, M. R. Sihn, M.-G. Jeon, J.-R. Jeong, J. Choi*
"Solubility-controlled room temperature synthesis of cesium lead halide perovskite nanocrystals"
ChemNanoMat, 6, 1863 (2020)
56. J. H. Kim, H. S. Lee*, G. H. An, J. Lee, H. M. Oh, J. Choi, Y. H. Lee*
"Dielectric nanowire hybrids for plasmon-enhanced light-matter interaction in 2D semiconductors"
ACS Nano, 14, 11985 (2020)
55. Y. Kim, D.-W. Jeong, J. Lee, ..., J. Choi*, D.-J. Jang*, H. J. Lim*
"Boosting visible‐light photocatalytic redox reaction by charge separation in SnO2/ZnSe(N2H4)0.5 heterojunction nanocatalysts"
Chem. Eur. J., 8, 1556 (2020)
54. S. Han, S. Jung, S. Jeong, J. Choi, Y. Choi*, S. Y. Lee*
"High-Performance, biaxially stretchable conductor based on Ag composites and hierarchical auxetic structure"
J. Mater. Chem. C., 8, 1556 (2020)
53. M.-G. Jeon, S. Yun, A. Kirakosyan, M. R. Sihn, S.-G. Yoon, J. Choi*
"Scale-up synthesis of organometal halide perovskite nanocrystals"
ACS Sustain. Chem. Eng., 7, 19369 (2019)
52. A. Kirakosyan, N. D. Chinh, M. R. Sihn, M.-G. Jeon, J.-R. Jeong, D. Kim, J. H. Jang*, J. Choi*
"Mechanistic Insight into Surface Defect Control in Perovskite Nanocrystals"
J. Phys. Chem. Lett., 10, 4222 (2019)
51. D. Kim, M. R. Sihn, M.-G. Jeon, G. Yuan, S. K. Satija, Y. Kim*, J. Choi*
"Non-equilibrium phase behavior of immiscible polymer-grafted nanoparticle blends"
Macromolecules, 52, 5811 (2019)
50. V. Jella, S. Ippili, J.-H. Eom, ..., A. Kirakosyan, S. Yun, D. Kim, M. R. Sihn, J. Choi*, ..., S.-G. Yoon*
"A comprehensive review of flexible piezoelectric generators based on organic-inorganic metal halide perovskites"
Nano Energy, 57, 74 (2019)
49. M. R. Sihn, S. Yun, A. Kirakosyan, M.-G. Jeon, H. S. Lee*, J. Choi*
"Cu ion-induced photoluminescence quenching of methylammonium lead bromide nanocrystals"
J. Photochem. Photobiol. A, 384, 112041 (2019)
48. S.-D. Kim, W.-G. Choe, J. Choi*, J.-R. Jeong*
"Preparation and characterization of silver coated magnetic microspheres prepared by a modified electroless plating process"
Powder Technol., 342, 301 (2019)
47. M. R. Sihn, M.-G. Jeon, H. Park, J. Choi*
"Optical Properties of Sn-doped CH3NH3PbBr3 perovskite nanoparticles"
J. Korean Inst. Surf. Eng., 52, 90 (2019)
46. M.-J. Choi, J.-H. Eom, ... , B.-J. Park, J. Choi, S.-G. Yoon*
"Most facile synthesis of Zn-Al:LDHs nanosheets at room temperature via environmentally friendly process and their high power generation by flexoelectricity"
Mater. Today Energy, 10, 254 (2018)
45. V. Jella, S. Ippili, J.-H. Eom, J. Choi, S.-G. Yoon*
"Enhanced output performance of a flexible piezoelectric energy harvester based on stable MAPbI3-PVDF composite films"
Nano Energy, 53, 46 (2018)
44. S. Surabhi, D.-J. Kim, P. C. Van, V. D. Quoc, J.-M. Kim, S. W. Lee, R. Kuchi, J.-W. Lee, S.-G. Yoon, J. Choi, B.-G. Park*, J.-R. Jeong*
"Precise determination of the temperature gradients in laser-irradiated ultrathin magnetic layers for the analysis of thermal spin current"
Sci. Rep., 8, 11337 (2018)
43. R. Kuchi, V. Dongquoc, S. Surabhi, D. Kim, S.-G. Yoon, S.-Y. Park, J. Choi*, J.-R. Jeong*
"Porous Fe3O4 nanospheres with controlled porosity for enhanced electromagnetic wave absorption"
Physica Status Solidi A, 215, 1701032 (2018)
42. D. Kim, A. Kirakosyan, J.-W. Lee, J.-R. Jeong, J. Choi*
"Flexible h-BN foam sheets for multifunctional electronic packaging materials with ultrahigh thermostability"
Soft Matter, 14, 4204 (2018)
41. S. Chun*, J. Choi*, J. F. Whitacre,
"Tailoring the porous texture of activated carbons by CO2 reactivation to produce electrodes for organic electrolyte-based EDLCs"
Ionics, 24, 2055 (2018)
40. A. Kirakosyan, S. Yun, D. Kim, J. Choi*
"Formation of CH3NH3PbBr3 perovskite nanocubes without surfactant and their optical properties"
J. Korean Inst. Surf. Eng., 51, 79 (2018)
39. S. Yun, A. Kirakosyan, S.-G. Yoon, J. Choi*
"Scalable synthesis of exfoliated organometal halide perovskite nanocrystals by ligand-assisted ball milling"
ACS Sustain. Chem. Eng., 6, 3733 (2018)
38. S.-D. Kim, W.-G. Choe, J. Choi*, J.-R. Jeong*
"High reflective efficiency and durability of multilayered core-shell composite particles with controlled shell thickness"
Dyes Pigm., 153, 53 (2018)
37. A. Kirakosyan, S. Yun, S.-G. Yoon, J. Choi*
"Surface Engineering for improved stability of CH3NH3PbBr3 perovskite nanocrystals"
Nanoscale, 10, 1885 (2018)
36. D. Kim, S. Yun, S. Chun*, J. Choi*
"Porous carbon networks with nanosphere-interconnected structure via 3-aminophenol-formaldehyde polymerization"
Macromol. Res., 26, 317 (2018)
35. S.-H. Kim, S. Yun, J. Choi*, J. H. Kim*
"High contrast fluorescence switching based on CH3NH3PbBr3 perovskite nanoparticles in photochromic composites"
J. Photochem. Photobiol. A, 353, 279 (2018)
34. S.-H. Kim, A. Kirakosyan, J. Choi*, J. H. Kim*
"Detection of volatile orgnaic compounds (VOCs), aliphatic amines, using highly fluorescent organic-inorganic hybrid perovskite nanoparticles"
Dyes Pigm., 147, 1 (2017)
33. S. Yun, A. Kirakosyan, S. Surabhi, J.-R. Jeong*, J. Choi*
"Controlled morphology of MWCNTs driven by polymer-grafted nanoparticles for enhanced microwave absorption"
J. Mater. Chem. C., 5, 8436 (2017)
32. A. Kirakosyan, S. Yun, J. Choi*
"Uniform PMMA-CH3NH3PbBr3 nanoparticle composite film for optoelectronic application"
Korean J. Mater. Res., 27, 307 (2017)
31. S.-H. Kim, A. Kirakosyan, J. Choi*, J. H. Kim*
"Spectroscopic study on the interaction of organic-inorganic hybrid perovskite nanoparticles with linear aliphatic alcohols"
Dyes Pigm., 143, 71 (2017)
30. J. Choi, N. Clarke, K. I. Winey, and R. J. Composto
"Polymer diffusion from attractive and athermal substrates"
Macromolecules, 50, 3038 (2017)
29. A. Kirakosyan, J. Kim, S.-W. Lee, I. Swathi, S.-G. Yoon*, J. Choi*
"Optical properties of colloidal CH3NH3PbBr3 nanocrystals by controlled growth of lateral dimension"
Cryst. Growth Des., 17, 794 (2017)
28. T.-V. Dang, S. V. N. Pammi, J. Choi, S.-G. Yoon*
"Utilization of AZO/Au/AZO multilayer electrodes instead of FTO for perovskite solar cells"
Sol. Energ. Mat. Sol. Cells, 163, 58 (2017)
27. D. Kim, A. Kirakosyan, J. Choi*
"Electron-irradiated polymer brushes for hollow carbon nanosphere array"
Macromol. Rapid Commun., 37, 1507 (2016)
26. A. Kirakosyan, D. Kim, J. Choi*
"Self-Assembled Polymer-Grafted Nanoparticles for Photonic Coating Applications"
Macromol. Res., 24, 1030 (2016)
25. J. Choi, M. Schmitt, C. M. Hui, B. Chen, E. Korkmaz, J. Yan, S. Margel, O. B. Ozdoganlar, K. Matyjaszewski, and M. R. Bockstaller
"Processing fragile matter: effect of polymer graft modification on the mechanical properties and processibility of (nano-) particulate solids"
Soft Matt., 12, 3527 (2016)
24. S. P. O. Danielsen, J. Choi, and R. J. Composto
"Retardation of shape change of Au nanorods using photo-cross-linkable ligands"
J. Polym. Sci., Part B: Polym. Phys., 54, 301 (2016)
23. J. Choi, M. Cargnello, C. B. Murray, N. Clarke, K. I. Winey, and R. J. Composto
"Fast nanorod diffusion through entangled polymer melts"
ACS Macro Lett., 4, 952 (2015)
22. J. Choi, N. Clarke, K. I. Winey, and R. J. Composto
"Fast polymer diffusion through nanocomposites with anisotropic particles"
ACS Macro Lett., 3, 886 (2014)
21. J. Choi, M. J. A. Hore, N. Clarke, K. I. Winey, and R. J. Composto
"Nanoparticle brush architecture controls polymer diffusion in nanocomposites"
Macromolecules, 47, 2404 (2014)
20. C. M. Hui, J. Pietrasik, M. Schmitt, C. Mahoney, J. Choi, M. R. Bockstaller, and K. Matyjaszewski
"Surface-initiated polymerization as an enabling tool for multifunctional (nano-)engineered hybrid materials"
Chem. Mater., 26, 745 (2014)
19. J. Meth, S. Gam, J. Choi, C.-C. Lin, R. J. Composto, and K. I. Winey
"Excluded volume model for the reduction of polymer diffusion into nanocomposites"
J. Phys. Chem. B, 117, 15675 (2013)
18. J. Choi, M. J. A. Hore, J. S. Meth, N. Clarke, K. I. Winey, and R. J. Composto
"Universal scaling of polymer diffusion in nanocomposites"
ACS Macro Lett., 2, 485 (2013)
17. J. Choi, C. M. Hui, M. Schmitt, J. Pietrasik, S. Margel, K. Matyjaszewski, and M. R. Bockstaller
"Effect of polymer-graft modification on the order formation in particle assembly structures"
Langmuir, 29, 6452 (2013)
16. S. Narayanan, J. Choi, L. Porter, and M. R. Bockstaller
"Flexible transparent metal/polymer composite materials based on optical resonant laminate structures"
ACS Appl. Mater. Interfaces, 5, 4093 (2013)
15. J. Choi, C. M. Hui, J. Pietrasik, H. Dong, K. Matyjaszewski, and M. R. Bockstaller
"Toughening fragile matter: mechanical properties of particle solids assembled from polymer-grafted hybrid particles synthesized by ATRP"
Soft Matt., 8, 4072 (2012)
14. J. Choi, P. Voudouris, N. Gomopoulos, R. Sainidou, H. Dong, K. Matyjaszewski, M. R. Bockstaller, and G. Fytas
"Anisotropic elasticity of quasi-one-component polymer nanocomposites"
ACS Nano, 5, 5746 (2011)
13. J. Pietrasik, C. M. Hui, W. Chaladaj, H. Dong, J. Choi, J. Jurczak, M. R. Bockstaller, and K. Matyjaszewski
"Silica-polymethacrylate hybrid particles synthesized using high-pressure atomic transfer radical polymerization"
Macromol. Rapid Commun., 32, 295 (2011)
12. J. Choi, H. Dong, K. Matyjaszewski, and M. R. Bockstaller
"Flexible particle array structures by controlling polymer graft architecture"
J. Am. Chem. Soc., 132, 12537 (2010)
11. M. R. Bockstaller, H. Ryu, S. Ojha, and J. Choi
"1D periodic bimetallic superstructures by co-assembly of ternary block copolymer/nanoparticle blends"
J. Mater. Chem., 20, 9339 (2010)
10. J. Choi, H. Lee, T. Lee, S. Lee, W. Kim, D. Kim, and B. Cheong
"Investigation on the role of nitrogen in crystallization of Sb-rich phase change materials"
Appl. Phys. Lett., 95, 081905 (2009)
9. P. Voudouris, J. Choi, H. Dong, M. R. Bockstaller, K. Matyjaszewski, and G. Fytas
"Effect of shell architecture on the static and dynamic properties of polymer-coated particles in solution"
Macromolecules, 42, 2721 (2009)
8. J. Choi, S. Kim, J. Kim, H. Kang, H. Jeon, and C. Bae "Effects of N2 remote plasma nitridation on the structural and electrical characteristics of the HfO2 gate dielectrics grown using remote plasma atomic layer deposition methods" J. Vac. Sci. Technol. A, 24, 900 (2006)
7. J. Choi, S. Kim, J. Kim, H. Kang, H. Jeon, and C. Bae "Characteristics of remote plasma atomic layer-deposited HfO2 films on O2 and N2 plasma-pretreated Si substrates" J. Vac. Sci. Technol. A, 24, 678 (2006)
6. S. Kim, J. Kim, J. Choi, H. Kang, H. Jeon, and C. Bae "Characteristics of HfO2 thin films deposited by plasma-enhanced atomic layer deposition using O2 plasma and N2O plasma" J. Vac. Sci. Technol. B, 24, 1088 (2006)
5. H. Kang, S. Kim, J. Choi, J. Kim, H. Jeon, and C. Bae "Effects of remote plasma preoxidation of Si substrates on the characteristics of ALD-deposited HfO2 gate dielectrics" Electrochem. Solid-State Lett., 9, G211 (2006)
4. S. Kim, J. Kim, J. Choi, H. Kang, H. Jeon, W. Cho, K.-S. An, T.-M. Chung, Y. Kim, and C. Bae "Remote plasma atomic layer deposition of HfO2 thin films using the alkoxide precursor Hf(mp)4" Electrochem. Solid-State Lett., 9, G200 (2006)
3. Y. Lee, S. Kim, J. Koo, I. Kim, J. Choi, H. Jeon, and Y. Won "Effects of nitrogen incorporation in HfO2 films deposited by plasma enhanced atomic layer-deposition" J. Electrochem. Soc., 153, G353 (2006)
2. J. Choi, S. Kim, H. Kang, H. Jeon, and C. Bae "Effects of N2 RPN on the structural and electrical characteristics of remote plasma atomic layer-deposited HfO2 films" Electrochem. Solid-State Lett., 9, F13 (2006)
1. J. Kim, S. Kim, H, Kang, J. Choi, H. Jeon, M. Cho, K. Chung, S. Back, K. Y, and C. Bae "Composition, structure, and electrical characteristics of HfO2 gate dielectrics grown using the remote- and direct-plasma atomic layer deposition methods" J. Appl. Phys., 98, 094504 (2005)
Reviews and Book Chapters
1. J. Choi and M. R. Bockstaller "Quasi-one-component polymer nanocomposites based on particle brush assembly" Polymer Science: A Comprehensive Reference, 7, 313 (2012)