World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
86
Citations
23614
World Ranking
2581
National Ranking
474

Chak K. Chan publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Chak K. Chan sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 318 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Chak K. Chan D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Chak K. Chan sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 86 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Chak K. Chan is affiliated with the City University of Hong Kong in China. Their research primarily focuses on Environmental Science and Earth and Planetary Sciences, with significant contributions to multiple subfields including Atmospheric Science, Health, Toxicology and Mutagenesis, Environmental Engineering, Global and Planetary Change, and Automotive Engineering.

The scientist's work extensively covers topics related to atmospheric chemistry and aerosols, air quality and health impacts, atmospheric ozone and climate, air quality monitoring and forecasting, atmospheric aerosols and clouds, indoor air quality and microbial exposure, and atmospheric and environmental gas dynamics.

Chak K. Chan has published numerous papers in a range of scientific journals. Recent publications include:

  • "Particulate nitrate photolysis in the atmosphere," 2022, Environmental Science Atmospheres
  • "Enhanced Sulfate Production by Nitrate Photolysis in the Presence of Halide Ions in Atmospheric Particles," 2020, Environmental Science & Technology
  • "Investigation into the Phase-Activity Relationship of MnO2 Nanomaterials toward Ozone-Assisted Catalytic Oxidation of Toluene," 2021, Small
  • "Contribution of Particulate Nitrate Photolysis to Heterogeneous Sulfate Formation for Winter Haze in China," 2020, Environmental Science & Technology Letters
  • "Aqueous secondary organic aerosol formation from the direct photosensitized oxidation of vanillin in the absence and presence of ammonium nitrate," 2022, Atmospheric Chemistry and Physics

The scientist frequently collaborates with several co-authors across their research projects. Notable collaborators include Ruifeng Zhang, Masao Gen, Zhancong Liang, Liyuan Zhou, and Yongjie Li.

Chak K. Chan's research articles appear prominently in well-known publication venues, including Environmental Science & Technology, Atmospheric Chemistry and Physics, The Science of The Total Environment, Environmental Science Atmospheres, and ACS ES&T Air.

Best Publications

  • The characteristics of PM2.5 in Beijing, China

    Kebin He;Fumo Yang;Yongliang Ma;Qiang Zhang

  • The water-soluble ionic composition of PM2.5 in Shanghai and Beijing, China

    Xiaohong Yao;Chak K. Chan;Ming Fang;Steven Cadle

  • Concentration and chemical composition of PM2.5 in Shanghai for a 1-year period

    Boming Ye;Xueli Ji;Haizhen Yang;Xiaohong Yao

  • Application of positive matrix factorization in source apportionment of particulate pollutants in Hong Kong

    Eddie Lee;Chak K. Chan;Pentti Paatero

  • The hygroscopic properties of dicarboxylic and multifunctional acids: measurements and UNIFAC predictions.

    Changgeng Peng;Man Nin Chan;Chak K. Chan

  • Size Effects in Gas-Phase Photo-oxidation of Trichloroethylene Using Nanometer-Sized TiO2 Catalysts

    AJ Maira;King Lun Yeung;CY Lee;Po Lock Yue

  • Characterization of chemical species in PM2.5 and PM10 aerosols in Hong kong

    K.F Ho;S.C Lee;Chak K Chan;Jimmy C Yu

  • Formation of nitrate and non-sea-salt sulfate on coarse particles

    Hong Zhuang;Chak K Chan;Ming Fang;Anthony S Wexler

  • The effects of organic species on the hygroscopic behaviors of inorganic aerosols.

    Man Yee Choi;Chak K. Chan

  • Size distributions of particulate sulfate, nitrate, and ammonium at a coastal site in Hong Kong

    Hong Zhuang;Chak K. Chan;Ming Fang;Anthony S. Wexler

  • Cuprophilicity: Spectroscopic and Structural Evidence for Cu−Cu Bonding Interactions in Luminescent Dinuclear Copper(I) Complexes with Bridging Diphosphane Ligands

    Chi-Ming Che;Zhong Mao;Vincent M. Miskowski;Man-Chung Tse

  • The effect of calcination on the microstructural characteristics and photoreactivity of Degussa P-25 TiO2

    John F. Porter;Yu-Guang Li;Chak K. Chan

  • Real-time chemical characterization of atmospheric particulate matter in China: A review

    Yong Jie Li;Yele Sun;Qi Zhang;Xue Li

  • Hygroscopicity of water-soluble organic compounds in atmospheric aerosols : Amino acids and biomass burning derived organic species

    Man Nin Chan;Man Yee Choi;Nga Lee Ng;Nga Lee Ng;Chak K. Chan

  • Size distributions and formation of ionic species in atmospheric particulate pollutants in Beijing, China: 1-inorganic ions

    Xiaohong Yao;Arthur P.S. Lau;Ming Fang;Chak K. Chan

  • Size distributions and formation of dicarboxylic acids in atmospheric particles

    Xiaohong Yao;Ming Fang;Chak K. Chan

  • Formulation Development and Bioavailability Evaluation of a Self-Nanoemulsified Drug Delivery System of Oleanolic Acid

    Jia Xi;Qi Chang;Chak K. Chan;Zhao Yu Meng

  • Micro-Raman Spectroscopic Characterization of Nanosized TiO2 Powders Prepared by Vapor Hydrolysis

    Yun-Hong Zhang;Chak K. Chan;John F. Porter;Wei Guo

  • A comparative study of the organic matter in PM2.5 from three Chinese megacities in three different climatic zones

    Jialiang Feng;Min Hu;Chak Keung Chan;Pui Sang Lau

  • The water cycles of water-soluble organic salts of atmospheric importance

    Changgeng Peng;Chak K Chan

  • Heterogeneous SO2 Oxidation in Sulfate Formation by Photolysis of Particulate Nitrate

    Masao Gen;Ruifeng Zhang;Dan Dan Huang;Yongjie Li

Frequent Co-Authors

Xiaohong Yao
Xiaohong Yao Ocean University of China
Ming Fang
Ming Fang Hong Kong University of Science and Technology
Neng-Huei Lin
Neng-Huei Lin National Central University
Alex K. Y. Lee
Alex K. Y. Lee Environment and Climate Change Canada
Min Hu
Min Hu Peking University
Chi Ming Chan
Chi Ming Chan Hong Kong University of Science and Technology
Jian Zhen Yu
Jian Zhen Yu Hong Kong University of Science and Technology
Mattias Hallquist
Mattias Hallquist University of Gothenburg
John H. Seinfeld
John H. Seinfeld California Institute of Technology
Richard C. Flagan
Richard C. Flagan California Institute of Technology

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