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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 1,122,068 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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3,721
World Rank
38
Country Rank
1
University
Ranking Based On Selection:
1
Natural Sciences / Chemical Sciences
Lithium battery chemistry | Polymer material

H-Index Metrics

  • H-Index
    129
  • i10 Index
    1,341
  • Citation Counts
    98,310
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* Total H Index Rankings

Rankings

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7,470
World Rank
61
Country Rank
1
University
Ranking Based On Selection:
2
Business & Management / Strategic Management
Cavitation | Sonochemistry | Design of multiphase reactors (Mechanically Agitated contactors | Bubble columns) | Wastewater treatme

H-Index Metrics

  • H-Index
    108
  • i10 Index
    397
  • Citation Counts
    41,412
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* Total H Index Rankings

Rankings

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8,613
World Rank
68
Country Rank
1
University
Ranking Based On Selection:
3
Engineering & Technology / Bioengineering
Waste Biorefinery | Green Hydrogen | Microbial Fuel Cell | Algal Biorefinery | Circular Bioeconom

H-Index Metrics

  • H-Index
    104
  • i10 Index
    471
  • Citation Counts
    38,394
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* Total H Index Rankings

Rankings

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9,170
World Rank
71
Country Rank
2
University
Ranking Based On Selection:
4
Engineering & Technology / Chemical Engineering
Chemical Engineering | Sonochemistry | Cavitation | Wastewater treatmen

H-Index Metrics

  • H-Index
    102
  • i10 Index
    369
  • Citation Counts
    37,931
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* Total H Index Rankings

Rankings

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17,501
World Rank
119
Country Rank
2
University
Ranking Based On Selection:
5
Natural Sciences / Chemical Sciences
catalysis | nanomaterial

H-Index Metrics

  • H-Index
    86
  • i10 Index
    377
  • Citation Counts
    27,391
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* Total H Index Rankings

Rankings

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18,719
World Rank
131
Country Rank
3
University
Ranking Based On Selection:
6
Engineering & Technology / Food Science and Engineering
Food science and technology | Carbohydrate chemistry and technology | Bioprocess technolog

H-Index Metrics

  • H-Index
    84
  • i10 Index
    373
  • Citation Counts
    30,737
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* Total H Index Rankings

Rankings

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25,690
World Rank
180
Country Rank
3
University
Ranking Based On Selection:
7
* Total H Index Rankings

Rankings

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28,048
World Rank
202
Country Rank
4
University
Ranking Based On Selection:
8

H-Index Metrics

  • H-Index
    75
  • i10 Index
    315
  • Citation Counts
    19,032
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* Total H Index Rankings

Rankings

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28,889
World Rank
212
Country Rank
5
University
Ranking Based On Selection:
9
Natural Sciences / Chemical Sciences
Catalysis | Green Chemistry | Homogeneous Catalysis | Organometallic Chemistry | Chemical Engineerin

H-Index Metrics

  • H-Index
    74
  • i10 Index
    410
  • Citation Counts
    21,494
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* Total H Index Rankings

Rankings

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31,621
World Rank
251
Country Rank
6
University
Ranking Based On Selection:
10
Natural Sciences / Chemical Sciences
Net Zero | Green H2 | Green Chem & Eng+Hetero Catal + PTC) | Sustainabilit

H-Index Metrics

  • H-Index
    72
  • i10 Index
    375
  • Citation Counts
    20,454
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* Total H Index Rankings

Rankings

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40,949
World Rank
490
Country Rank
2
University
Ranking Based On Selection:
11
Natural Sciences / Chemical Sciences
Catalysis and Adsorption by MOF

H-Index Metrics

  • H-Index
    66
  • i10 Index
    159
  • Citation Counts
    23,616
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* Total H Index Rankings

Rankings

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44,600
World Rank
426
Country Rank
4
University
Ranking Based On Selection:
12
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Pharmacology | Pharmaceutics | Novel Drug Delivery System

H-Index Metrics

  • H-Index
    64
  • i10 Index
    197
  • Citation Counts
    13,109
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* Total H Index Rankings

Rankings

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48,905
World Rank
506
Country Rank
7
University
Ranking Based On Selection:
13
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
nanotechnology | medical devices | cosmeceuticals | lipid delivery system

H-Index Metrics

  • H-Index
    62
  • i10 Index
    192
  • Citation Counts
    15,409
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* Total H Index Rankings

Rankings

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51,155
World Rank
540
Country Rank
8
University
Ranking Based On Selection:
14
Engineering & Technology / Nanoscience and Nanotechnology
Single-Atom Catalysts | Nanocatalysis | Green synthesis | Benign reaction technologie

H-Index Metrics

  • H-Index
    61
  • i10 Index
    140
  • Citation Counts
    18,873
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* Total H Index Rankings

Rankings

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51,647
World Rank
554
Country Rank
5
University
Ranking Based On Selection:
15
Natural Sciences / Biological Science
Nanomedicine | Drug Delivery | Biomaterials | Angiogenesis | Cancer Nanotechnolog

H-Index Metrics

  • H-Index
    61
  • i10 Index
    130
  • Citation Counts
    11,497
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* Total H Index Rankings

Rankings

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57,424
World Rank
652
Country Rank
6
University
Ranking Based On Selection:
16
Natural Sciences / Chemical Sciences
Catalysis | chemical engineering | environmental engineerin

H-Index Metrics

  • H-Index
    59
  • i10 Index
    253
  • Citation Counts
    12,556
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* Total H Index Rankings

Rankings

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57,582
World Rank
654
Country Rank
7
University
Ranking Based On Selection:
17
* Total H Index Rankings

Rankings

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70,814
World Rank
859
Country Rank
8
University
Ranking Based On Selection:
18
Natural Sciences / Chemical Sciences
asymmetric synthesis | C-H activatio

H-Index Metrics

  • H-Index
    55
  • i10 Index
    241
  • Citation Counts
    11,080
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* Total H Index Rankings

Rankings

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75,794
World Rank
944
Country Rank
9
University
Ranking Based On Selection:
19
Natural Sciences / Chemical Sciences
Seaweed Biology | biofuels | seaweed farming and Cellular biotechnolog

H-Index Metrics

  • H-Index
    53
  • i10 Index
    103
  • Citation Counts
    9,219
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* Total H Index Rankings

Rankings

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77,338
World Rank
975
Country Rank
9
University
Ranking Based On Selection:
20
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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84,876
World Rank
1,131
Country Rank
10
University
Ranking Based On Selection:
21
Natural Sciences / Chemical Sciences
Solar Energy | Tetrapyrrolic chemistr

H-Index Metrics

  • H-Index
    51
  • i10 Index
    188
  • Citation Counts
    9,695
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* Total H Index Rankings

Rankings

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86,524
World Rank
1,276
Country Rank
3
University
Ranking Based On Selection:
22
* Total H Index Rankings

Rankings

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87,480
World Rank
1,170
Country Rank
10
University
Ranking Based On Selection:
23
Natural Sciences / Physics
Food Science & Technology | Cold Plasma | Extrusion | Plant and Microbial Polysaccharide

H-Index Metrics

  • H-Index
    50
  • i10 Index
    142
  • Citation Counts
    9,756
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* Total H Index Rankings

Rankings

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90,280
World Rank
1,237
Country Rank
11
University
Ranking Based On Selection:
24
Engineering & Technology / Metallurgical & Materials Engineering
Hierarchical structured Materials Developmen

H-Index Metrics

  • H-Index
    50
  • i10 Index
    104
  • Citation Counts
    9,289
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* Total H Index Rankings

Rankings

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90,744
World Rank
1,241
Country Rank
12
University
Ranking Based On Selection:
25
Natural Sciences / Chemical Sciences
Heterogeneous Catalysis | Nanomaterials | Surface scienc

H-Index Metrics

  • H-Index
    50
  • i10 Index
    156
  • Citation Counts
    7,815
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