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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 99 1366 1216 248 240 260 27306

Qi Yang publications per year

The chart shows the history of publications by Qi Yang between 1995 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Qi Yang published across 32 years, from 1995 to 2026, averaging 12.4 papers a year. Output peaked at 43 publications in 2025. 46 of the 397 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1995 to 2026. Vertical axis: number of publications, 0 to 43. Peak 43 publications in 2025. 1995: 2 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 0 publications 2003: 1 publication 2004: 2 publications 2005: 0 publications 2006: 0 publications 2007: 3 publications 2008: 6 publications 2009: 5 publications 2010: 8 publications 2011: 7 publications 2012: 11 publications 2013: 15 publications 2014: 9 publications 2015: 10 publications 2016: 21 publications 2017: 23 publications 2018: 31 publications 2019: 36 publications 2020: 29 publications 2021: 30 publications 2022: 39 publications 2023: 34 publications 2024: 29 publications 2025: 43 publications 2026: 3 publications
1995 2026

397 publications in total across all disciplines

View publications per year as a table
Qi Yang: publications per year, 1995 to 2026
Year Publications
1995 2
1996 0
1997 0
1998 0
1999 0
2000 0
2001 0
2002 0
2003 1
2004 2
2005 0
2006 0
2007 3
2008 6
2009 5
2010 8
2011 7
2012 11
2013 15
2014 9
2015 10
2016 21
2017 23
2018 31
2019 36
2020 29
2021 30
2022 39
2023 34
2024 29
2025 43
2026 3
Total 397
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Qi Yang 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 Qi Yang sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 241–260 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 260 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100 260
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Qi Yang 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 Qi Yang sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 98–99 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 99 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125 99
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Qi Yang is a researcher affiliated with Hunan University in China, with a focus on environmental science and engineering. Their work encompasses a broad range of topics related to water treatment, pollution control, and renewable energy technologies.

Their main fields of study include:

  • Environmental Science
  • Engineering

Within these fields, Qi Yang has contributed substantially to several subfields, such as:

  • Renewable Energy, Sustainability and the Environment
  • Water Science and Technology
  • Electrical and Electronic Engineering
  • Materials Chemistry
  • Pollution

Qi Yang's research topics cover key areas including:

  • Advanced Photocatalysis Techniques
  • Advanced oxidation water treatment
  • Wastewater Treatment and Nitrogen Removal
  • Anaerobic Digestion and Biogas Production
  • Environmental remediation with nanomaterials
  • Membrane Separation Technologies
  • Advanced Nanomaterials in Catalysis

The researcher has published extensively in several notable venues, including:

  • SSRN Electronic Journal
  • Chemical Engineering Journal
  • Separation and Purification Technology
  • Journal of Hazardous Materials
  • arXiv (Cornell University)

Qi Yang's recent papers reflect applied research in water contaminant treatment and photocatalysis:

  • "Efficient decontamination of organic pollutants under high salinity conditions by a nonradical peroxymonosulfate activation system" (2020, Water Research)
  • "Catalytic degradation of ciprofloxacin by a visible-light-assisted peroxymonosulfate activation system: Performance and mechanism" (2020, Water Research)
  • "Spatiotemporal drought analysis by the standardized precipitation index (SPI) and standardized precipitation evapotranspiration index (SPEI) in Sichuan Province, China" (2021, Scientific Reports)
  • "AgBr nanoparticles decorated 2D/2D GO/Bi2WO6 photocatalyst with enhanced photocatalytic performance for the removal of tetracycline hydrochloride" (2020, Chemical Engineering Journal)
  • "Mxene-modulated dual-heterojunction generation on a metal-organic framework (MOF) via surface constitution reconstruction for enhanced photocatalytic activity" (2020, Chemical Engineering Journal)

Qi Yang collaborates frequently with several researchers, including:

  • Dongbo Wang
  • Xiaoming Li
  • Fubing Yao
  • Zhoujie Pi
  • Xuran Liu

Best Publications

  • Hierarchical assembly of graphene-bridged Ag3PO4/Ag/BiVO4 (040) Z-scheme photocatalyst: An efficient, sustainable and heterogeneous catalyst with enhanced visible-light photoactivity towards tetracycline degradation under visible light irradiation

    Fei Chen;Qi Yang;Xiaoming Li;Guangming Zeng

  • Simultaneously efficient adsorption and photocatalytic degradation of tetracycline by Fe-based MOFs.

    Dongbo Wang;Feiyue Jia;Hou Wang;Fei Chen

  • Recent advances in photo-activated sulfate radical-advanced oxidation process (SR-AOP) for refractory organic pollutants removal in water

    Qi Yang;Yinghao Ma;Fei Chen;Fubing Yao

  • Novel ternary heterojunction photcocatalyst of Ag nanoparticles and g-C3N4 nanosheets co-modified BiVO4 for wider spectrum visible-light photocatalytic degradation of refractory pollutant

    Fei Chen;Qi Yang;Yali Wang;Jianwei Zhao

  • Enhanced Photocatalytic Degradation of Tetracycline by AgI/BiVO4 Heterojunction under Visible-Light Irradiation: Mineralization Efficiency and Mechanism

    Fei Chen;Qi Yang;Jian Sun;Fubing Yao

  • Heterogeneous activation of peroxymonosulfate by Fe-Co layered doubled hydroxide for efficient catalytic degradation of Rhoadmine B

    Cheng Gong;Fei Chen;Qi Yang;Kun Luo

  • Efficient decontamination of organic pollutants under high salinity conditions by a nonradical peroxymonosulfate activation system.

    Fei Chen;Lian-Lian Liu;Jie-Jie Chen;Wen-Wei Li

  • Effectiveness and mechanisms of phosphate adsorption on iron-modified biochars derived from waste activated sludge.

    Qi Yang;Xiaolin Wang;Wei Luo;Jian Sun

  • Catalytic degradation of ciprofloxacin by a visible-light-assisted peroxymonosulfate activation system: Performance and mechanism.

    Fei Chen;Gui-Xiang Huang;Fu-Bing Yao;Qi Yang

  • Efficient construction of bismuth vanadate-based Z-scheme photocatalyst for simultaneous Cr(VI) reduction and ciprofloxacin oxidation under visible light: Kinetics, degradation pathways and mechanism

    Fei Chen;Qi Yang;Yali Wang;Fubing Yao

  • Total concentrations and speciation of heavy metals in municipal sludge from Changsha, Zhuzhou and Xiangtan in middle-south region of China.

    Ming Chen;Xiao-ming Li;Qi Yang;Guang-ming Zeng

  • Persulfate activation by oxidation biochar supported magnetite particles for tetracycline removal: Performance and degradation pathway

    Zhoujie Pi;Xiaoming Li;Dongbo Wang;Qiuxiang Xu

  • Enhanced efficiency of biological excess sludge hydrolysis under anaerobic digestion by additional enzymes

    Qi Yang;Kun Luo;Xiao-ming Li;Xiao-ming Li;Dong-bo Wang

  • Mechanisms of peroxymonosulfate pretreatment enhancing production of short-chain fatty acids from waste activated sludge

    Jingnan Yang;Xuran Liu;Dongbo Wang;Qiuxiang Xu

  • Free nitrous acid serving as a pretreatment method for alkaline fermentation to enhance short-chain fatty acid production from waste activated sludge.

    Jianwei Zhao;Dongbo Wang;Dongbo Wang;Xiaoming Li;Qi Yang

  • Removal of lead(II) from aqueous solutions using carbonate hydroxyapatite extracted from eggshell waste.

    Dexiang Liao;Wei Zheng;Xiaoming Li;Qi Yang

  • Heterogeneous activation of peroxymonosulfate using Mn-Fe layered double hydroxide: Performance and mechanism for organic pollutant degradation

    Lihua Hou;Xiaoming Li;Qi Yang;Fei Chen

  • Preparation of peanut hull-based activated carbon by microwave-induced phosphoric acid activation and its application in Remazol Brilliant Blue R adsorption

    Zhuo-Ya Zhong;Qi Yang;Xiao-Ming Li;Xiao-Ming Li;Kun Luo

  • Free ammonia enhances dark fermentative hydrogen production from waste activated sludge.

    Dongbo Wang;YuYing Duan;Qi Yang;Yiwen Liu

  • The underlying mechanism of calcium peroxide pretreatment enhancing methane production from anaerobic digestion of waste activated sludge.

    Dongbo Wang;Dandan He;Xuran Liu;Qiuxiang Xu

  • Sulfite serving as a pretreatment method for alkaline fermentation to enhance short-chain fatty acid production from waste activated sludge

    Xuran Liu;Mingting Du;Jingnan Yang;Yanxin Wu

  • Graphene oxide and carbon nitride nanosheets co-modified silver chromate nanoparticles with enhanced visible-light photoactivity and anti-photocorrosion properties towards multiple refractory pollutants degradation

    Fei Chen;Qi Yang;Shana Wang;Fubing Yao

  • Enhanced dewaterability of waste activated sludge by Fe(II)-activated peroxymonosulfate oxidation.

    Jun Liu;Qi Yang;Dongbo Wang;Xiaoming Li

Frequent Co-Authors

Dongbo Wang
Dongbo Wang Hunan University
Qiuxiang Xu
Qiuxiang Xu Hunan University
Yiwen Liu
Yiwen Liu University of Technology Sydney
Qilin Wang
Qilin Wang University of Technology Sydney
Xuran Liu
Xuran Liu Hunan University
Bing-Jie Ni
Bing-Jie Ni University of New South Wales
Hailong Li
Hailong Li Mälardalen University
Yang Liu
Yang Liu University of Michigan–Ann Arbor
Han-Qing Yu
Han-Qing Yu University of Science and Technology of China
Chang Zhang
Chang Zhang Hunan University

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