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Wallace C. H. Choy

Wallace C. H. Choy

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 73 759 725 122 122 358 20522
Materials Science 76 3271 3158 1045 1039 367 21881

Wallace C. H. Choy publications per year

The chart shows the history of publications by Wallace C. H. Choy between 1995 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Wallace C. H. Choy published across 31 years, from 1995 to 2025, averaging 13.7 papers a year. Output peaked at 33 publications in 2015. 32 of the 426 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1995 to 2025. Vertical axis: number of publications, 0 to 33. Peak 33 publications in 2015. 1995: 3 publications 1996: 3 publications 1997: 5 publications 1998: 11 publications 1999: 4 publications 2000: 2 publications 2001: 1 publication 2002: 0 publications 2003: 3 publications 2004: 4 publications 2005: 13 publications 2006: 11 publications 2007: 15 publications 2008: 17 publications 2009: 9 publications 2010: 8 publications 2011: 15 publications 2012: 20 publications 2013: 24 publications 2014: 14 publications 2015: 33 publications 2016: 29 publications 2017: 19 publications 2018: 18 publications 2019: 17 publications 2020: 24 publications 2021: 30 publications 2022: 23 publications 2023: 19 publications 2024: 16 publications 2025: 16 publications
1995 2025

426 publications in total across all disciplines

View publications per year as a table
Wallace C. H. Choy: publications per year, 1995 to 2025
Year Publications
1995 3
1996 3
1997 5
1998 11
1999 4
2000 2
2001 1
2002 0
2003 3
2004 4
2005 13
2006 11
2007 15
2008 17
2009 9
2010 8
2011 15
2012 20
2013 24
2014 14
2015 33
2016 29
2017 19
2018 18
2019 17
2020 24
2021 30
2022 23
2023 19
2024 16
2025 16
Total 426
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Wallace C. H. Choy publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Wallace C. H. Choy sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 354–373 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 358 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214 358
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Wallace C. H. Choy D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Wallace C. H. Choy sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 73 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 73 D-Index — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49 73
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Research.com Recognitions

  • 2017 - OSA Fellows Wallace Chik-Ho Choy The University of Hong Kong, Hong Kong “For extensive contributions in designing and understanding optical nanostructures for plasmonic, photovoltaic and light emitting devices.” (Engineering and Science Research)

Overview

Wallace C. H. Choy is affiliated with the University of Hong Kong in China. The primary research fields encompass Engineering and Materials Science, with a special focus on Electrical and Electronic Engineering and Materials Chemistry. Subfields also extend to Polymers and Plastics, Atomic and Molecular Physics, and Optics, as well as Electronic, Optical, and Magnetic Materials.

The scientist's work centers on several main topics, including:

  • Perovskite Materials and Applications
  • Quantum Dots Synthesis And Properties
  • Conducting polymers and applications
  • Organic Light-Emitting Diodes Research
  • Organic Electronics and Photovoltaics
  • Chalcogenide Semiconductor Thin Films
  • ZnO doping and properties

Frequent coauthors collaborating with Wallace C. H. Choy include Jiayun Sun, Kai Wang, Xiao Wei Sun, Xinjun He, and Zhenwei Ren.

Publication venues where the scientist has contributed most frequently are:

  • Advanced Materials
  • Advanced Energy Materials
  • Advanced Functional Materials
  • ACS Energy Letters
  • ACS Applied Materials & Interfaces

Recent papers illustrate the ongoing research interests and contributions in perovskite materials, light-emitting diodes, and solar cells. Notable publications include:

  • "Biodegradable Materials and Green Processing for Green Electronics," 2020, Advanced Materials
  • "High-Performance Blue Perovskite Light-Emitting Diodes Enabled by Efficient Energy Transfer between Coupled Quasi-2D Perovskite Layers," 2020, Advanced Materials
  • "Buried Interface Modification in Perovskite Solar Cells: A Materials Perspective," 2022, Advanced Energy Materials
  • "Efficient and Stable Red Perovskite Light-Emitting Diodes with Operational Stability >300 h," 2021, Advanced Materials
  • "Highly Efficient Flexible Perovskite Solar Cells through Pentylammonium Acetate Modification with Certified Efficiency of 23.35%," 2022, Advanced Materials

Wallace C. H. Choy received the OSA Fellows award in 2017 with a citation recognizing contributions to designing and understanding optical nanostructures for plasmonic, photovoltaic, and light-emitting devices in the context of engineering and science research.

Best Publications

  • Dual Plasmonic Nanostructures for High Performance Inverted Organic Solar Cells

    Xuanhua Li;Wallace C. H. Choy;Lijun Huo;Fengxian Xie

  • Enhancing the Brightness of Cesium Lead Halide Perovskite Nanocrystal Based Green Light-Emitting Devices through the Interface Engineering with Perfluorinated Ionomer

    Xiaoyu Zhang;Hong Lin;He Huang;Claas Reckmeier

  • Photoluminescence and Electron Paramagnetic Resonance of ZnO Tetrapod Structures

    A. B. Djurišić;W. C. H. Choy;V. A. L. Roy;Y. H. Leung

  • The efficiency limit of CH3NH3PbI3 perovskite solar cells

    Wei E. I. Sha;Xingang Ren;Luzhou Chen;Wallace C. H. Choy

  • Pinhole-Free and Surface-Nanostructured NiOx Film by Room-Temperature Solution Process for High-Performance Flexible Perovskite Solar Cells with Good Stability and Reproducibility

    Hong Zhang;Jiaqi Cheng;Francis Lin;Hexiang He

  • Enhanced photocatalytic activity of Ce3+–TiO2 for 2-mercaptobenzothiazole degradation in aqueous suspension for odour control

    Fang-bai Li;Xiang-zhong Li;M. F. Hou;K. W. Cheah

  • Vacuum-Assisted Thermal Annealing of CH3NH3PbI3 for Highly Stable and Efficient Perovskite Solar Cells

    Feng Xian Xie;Di Zhang;Huimin Su;Xingang Ren

  • Post‐treatment‐Free Solution‐Processed Non‐stoichiometric NiOx Nanoparticles for Efficient Hole‐Transport Layers of Organic Optoelectronic Devices

    Fei Jiang;Wallace C. H. Choy;Xinchen Li;Di Zhang

  • Low-temperature solution-processed hydrogen molybdenum and vanadium bronzes for an efficient hole-transport layer in organic electronics.

    Fengxian Xie;Wallace C. H. Choy;Chuandao Wang;Xinchen Li

  • Efficiency Enhancement of Organic Solar Cells by Using Shape‐Dependent Broadband Plasmonic Absorption in Metallic Nanoparticles

    Xuanhua Li;Wallace Chik Ho Choy;Haifei Lu;Wei E. I. Sha

  • Biodegradable Materials and Green Processing for Green Electronics.

    Wenhui Li;Qian Liu;Yuniu Zhang;Chang'an Li

  • Optical and electrical properties of efficiency enhanced polymer solar cells with Au nanoparticles in a PEDOT–PSS layer

    Dixon D. S. Fung;Linfang Qiao;Linfang Qiao;Wallace C. H. Choy;Chuandao Wang

  • Recent advances in transition metal complexes and light-management engineering in organic optoelectronic devices.

    Wallace C. H. Choy;Wai Kin Chan;Yuping Yuan

  • Perovskite Photovoltaics: The Significant Role of Ligands in Film Formation, Passivation, and Stability.

    Hong Zhang;Mohammad Khaja Nazeeruddin;Wallace C. H. Choy

  • Optical and electrical effects of gold nanoparticles in the active layer of polymer solar cells

    Charlie C. D. Wang;Wallace C. H. Choy;Chunhui Duan;Dixon D. S. Fung

  • Buried Interface Modification in Perovskite Solar Cells: A Materials Perspective

    Unknown

  • High-Performance Blue Perovskite Light-Emitting Diodes Enabled by Efficient Energy Transfer between Coupled Quasi-2D Perovskite Layers.

    Zhenwei Ren;Jiahao Yu;Zhaotong Qin;Jing Wang

  • Poly(3-hexylthiophene):TiO2 nanocomposites for solar cell applications

    C Y Kwong;W C H Choy;A B Djurišić;P C Chui

  • Alkyl Side-Chain Engineering in Wide-Bandgap Copolymers Leading to Power Conversion Efficiencies over 10.

    Tao Liu;Xuexue Pan;Xiangyi Meng;Yu Liu

  • A Smooth CH3NH3PbI3 Film via a New Approach for Forming the PbI2 Nanostructure Together with Strategically High CH3NH3I Concentration for High Efficient Planar-Heterojunction Solar Cells

    Hong Zhang;Jian Mao;Hexiang He;Di Zhang

  • Highly Efficient Ternary‐Blend Polymer Solar Cells Enabled by a Nonfullerene Acceptor and Two Polymer Donors with a Broad Composition Tolerance

    Xiaopeng Xu;Zhaozhao Bi;Wei Ma;Zishuai Wang

  • for 2-mercaptobenzothiazole degradation in aqueous suspension for odour control

    F. B. Li;X. Z. Li;M. F. Hou;K. W. Cheah

Frequent Co-Authors

Wei E. I. Sha
Wei E. I. Sha Zhejiang University
Fengxian Xie
Fengxian Xie Fudan University
Hong Zhang
Hong Zhang École Polytechnique Fédérale de Lausanne
Di Zhang
Di Zhang Tohoku University
Weng Cho Chew
Weng Cho Chew Purdue University West Lafayette
Jianhui Hou
Jianhui Hou Chinese Academy of Sciences
Sailing He
Sailing He Zhejiang University
Shaoqing Zhang
Shaoqing Zhang University of Science and Technology Beijing
Alex K.-Y. Jen
Alex K.-Y. Jen City University of Hong Kong
Yong Cao
Yong Cao South China University of Technology

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