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Top 100 Scientists

World Top 100 Scientists 2026

The Top 100 scientists are ranked based on total H-index scores at the global, regional, national, and institutional levels. Rankings cover 10 regions, 13 main fields, and 221 subfields. Subject field rankings (at world, region, country, and university levels) are currently in Beta version and updated in near real-time.
Note: Researchers classified as "others" (currently 1,122,060 profiles whose fields are undetermined or unedited) are excluded from subject and regional rankings. These rankings will dynamically evolve as the “others” profiles are reviewed and properly categorized.

* Total H Index Rankings

Rankings

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9,180
World Rank
71
Country Rank
2
University
Ranking Based On Selection:
1
Engineering & Technology / Chemical Engineering
Chemical Engineering | Sonochemistry | Cavitation | Wastewater treatmen

H-Index Metrics

  • H-Index
    102
  • i10 Index
    372
  • Citation Counts
    38,269
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* Total H Index Rankings

Rankings

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28,076
World Rank
202
Country Rank
4
University
Ranking Based On Selection:
2

H-Index Metrics

  • H-Index
    75
  • i10 Index
    315
  • Citation Counts
    19,118
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* Total H Index Rankings

Rankings

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77,421
World Rank
975
Country Rank
9
University
Ranking Based On Selection:
3
Engineering & Technology / Chemical Engineering
Chemical Engineering | Membrane Science and Technology | Separation Processes | Polymer Scienc

H-Index Metrics

  • H-Index
    53
  • i10 Index
    125
  • Citation Counts
    11,841
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* Total H Index Rankings

Rankings

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86,594
World Rank
1,278
Country Rank
3
University
Ranking Based On Selection:
4
* Total H Index Rankings

Rankings

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103,603
World Rank
1,506
Country Rank
15
University
Ranking Based On Selection:
5
Engineering & Technology / Chemical Engineering
Synthesis of Organic Dyes | Photoredox Catalysis(C-H Activation) | Organic Solar Cel

H-Index Metrics

  • H-Index
    47
  • i10 Index
    220
  • Citation Counts
    9,101
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* Total H Index Rankings

Rankings

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105,553
World Rank
1,544
Country Rank
13
University
Ranking Based On Selection:
6
Engineering & Technology / Chemical Engineering
Process Chemistry | Membrane processes | Biofuels | Salt & Marine Chemicals | Solar driven reaction

H-Index Metrics

  • H-Index
    47
  • i10 Index
    118
  • Citation Counts
    8,409
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* Total H Index Rankings

Rankings

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107,596
World Rank
1,598
Country Rank
14
University
Ranking Based On Selection:
7
Engineering & Technology / Chemical Engineering
Chemical Engineering | Sustainable and Environmental Engineering | Nanomaterials | Polymer and Paints | Anticorrosive Coating

H-Index Metrics

  • H-Index
    46
  • i10 Index
    84
  • Citation Counts
    8,545
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* Total H Index Rankings

Rankings

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109,174
World Rank
1,649
Country Rank
16
University
Ranking Based On Selection:
8
Engineering & Technology / Chemical Engineering
Environmental Health | Endocrine disruptive compounds | Adsoprtion | Bioelectrochemical Treatmen

H-Index Metrics

  • H-Index
    46
  • i10 Index
    243
  • Citation Counts
    11,247
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* Total H Index Rankings

Rankings

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131,007
World Rank
2,166
Country Rank
15
University
Ranking Based On Selection:
9
* Total H Index Rankings

Rankings

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131,966
World Rank
2,138
Country Rank
4
University
Ranking Based On Selection:
10
Engineering & Technology / Chemical Engineering
biopolymers | bioplastics | rheology | biomass | polymer physic

H-Index Metrics

  • H-Index
    42
  • i10 Index
    82
  • Citation Counts
    6,747
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* Total H Index Rankings

Rankings

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136,842
World Rank
2,317
Country Rank
20
University
Ranking Based On Selection:
11
* Total H Index Rankings

Rankings

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141,782
World Rank
2,440
Country Rank
23
University
Ranking Based On Selection:
12
Engineering & Technology / Chemical Engineering
Inflammation | Diabetes | PreclinicalToxicolog

H-Index Metrics

  • H-Index
    41
  • i10 Index
    78
  • Citation Counts
    5,271
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* Total H Index Rankings

Rankings

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142,961
World Rank
2,477
Country Rank
16
University
Ranking Based On Selection:
13
Engineering & Technology / Chemical Engineering
Transport Phenomena | Fluid Mechanics | Membrane Separation

H-Index Metrics

  • H-Index
    41
  • i10 Index
    108
  • Citation Counts
    5,528
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* Total H Index Rankings

Rankings

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143,053
World Rank
2,483
Country Rank
18
University
Ranking Based On Selection:
14
Engineering & Technology / Chemical Engineering
Food Technology | Biotechnology | Environmental Scienc

H-Index Metrics

  • H-Index
    41
  • i10 Index
    92
  • Citation Counts
    6,699
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* Total H Index Rankings

Rankings

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145,042
World Rank
2,542
Country Rank
19
University
Ranking Based On Selection:
15
Engineering & Technology / Chemical Engineering
Biofuels by Pyrolysis | CO2 Conversion | Molecular Desig

H-Index Metrics

  • H-Index
    41
  • i10 Index
    116
  • Citation Counts
    5,378
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* Total H Index Rankings

Rankings

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147,160
World Rank
2,422
Country Rank
6
University
Ranking Based On Selection:
16
* Total H Index Rankings

Rankings

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148,670
World Rank
2,449
Country Rank
7
University
Ranking Based On Selection:
17
* Total H Index Rankings

Rankings

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155,140
World Rank
2,579
Country Rank
9
University
Ranking Based On Selection:
18
* Total H Index Rankings

Rankings

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160,806
World Rank
2,704
Country Rank
12
University
Ranking Based On Selection:
19
* Total H Index Rankings

Rankings

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168,617
World Rank
2,880
Country Rank
15
University
Ranking Based On Selection:
20
* Total H Index Rankings

Rankings

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177,537
World Rank
3,067
Country Rank
16
University
Ranking Based On Selection:
21
* Total H Index Rankings

Rankings

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178,949
World Rank
3,098
Country Rank
17
University
Ranking Based On Selection:
22
* Total H Index Rankings

Rankings

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179,364
World Rank
3,544
Country Rank
24
University
Ranking Based On Selection:
23
Engineering & Technology / Chemical Engineering
Kinetics and Catalysis | Reactions and Separation

H-Index Metrics

  • H-Index
    37
  • i10 Index
    79
  • Citation Counts
    6,085
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* Total H Index Rankings

Rankings

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185,034
World Rank
3,210
Country Rank
18
University
Ranking Based On Selection:
24
Engineering & Technology / Chemical Engineering
perovskite solar cells | perovskite/Si tandem solar cell

H-Index Metrics

  • H-Index
    36
  • i10 Index
    56
  • Citation Counts
    7,858
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* Total H Index Rankings

Rankings

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187,815
World Rank
3,787
Country Rank
27
University
Ranking Based On Selection:
25
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