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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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56,519
World Rank
59
Country Rank
20
University
Ranking Based On Selection:
1
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials | membrane | cloud seeding materials | capacitive deionization | water purificatio

H-Index Metrics

  • H-Index
    59
  • i10 Index
    134
  • Citation Counts
    15,120
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* Total H Index Rankings

Rankings

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67,659
World Rank
70
Country Rank
26
University
Ranking Based On Selection:
2
Engineering & Technology / Nanoscience and Nanotechnology
water purification | wastewater treatment and reuse | water desalination | and nanotechnolog

H-Index Metrics

  • H-Index
    55
  • i10 Index
    192
  • Citation Counts
    13,039
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* Total H Index Rankings

Rankings

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71,120
World Rank
78
Country Rank
30
University
Ranking Based On Selection:
3
Engineering & Technology / Nanoscience and Nanotechnology
Photoelectrochemistry | Nanomaterials | 2D Nanomaterials | CO2 capture and conversion | Nitroge

H-Index Metrics

  • H-Index
    54
  • i10 Index
    111
  • Citation Counts
    7,869
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* Total H Index Rankings

Rankings

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84,755
World Rank
103
Country Rank
38
University
Ranking Based On Selection:
4
* Total H Index Rankings

Rankings

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179,077
World Rank
270
Country Rank
78
University
Ranking Based On Selection:
5
Engineering & Technology / Nanoscience and Nanotechnology
Organic Synthesis | Nanotechnology | Computational Chemistry | Environmental Chemistr

H-Index Metrics

  • H-Index
    37
  • i10 Index
    55
  • Citation Counts
    4,588
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* Total H Index Rankings

Rankings

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293,679
World Rank
498
Country Rank
128
University
Ranking Based On Selection:
6
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials Synthesis and Characterization | MXenes | Water splitting Hydrogen Production | Energ

H-Index Metrics

  • H-Index
    28
  • i10 Index
    38
  • Citation Counts
    2,548
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* Total H Index Rankings

Rankings

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305,610
World Rank
522
Country Rank
132
University
Ranking Based On Selection:
7
Engineering & Technology / Nanoscience and Nanotechnology
Energy storages | Nanotechnology | MEMS IM

H-Index Metrics

  • H-Index
    28
  • i10 Index
    60
  • Citation Counts
    3,018
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* Total H Index Rankings

Rankings

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352,181
World Rank
633
Country Rank
149
University
Ranking Based On Selection:
8
Engineering & Technology / Nanoscience and Nanotechnology
membranes | nanotechnology | desalination | energy harvestin

H-Index Metrics

  • H-Index
    25
  • i10 Index
    38
  • Citation Counts
    3,076
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* Total H Index Rankings

Rankings

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364,837
World Rank
666
Country Rank
155
University
Ranking Based On Selection:
9
Engineering & Technology / Nanoscience and Nanotechnology
2D materials | Separations | Membranes | Brine management | Resource recover

H-Index Metrics

  • H-Index
    25
  • i10 Index
    33
  • Citation Counts
    4,517
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* Total H Index Rankings

Rankings

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465,411
World Rank
885
Country Rank
177
University
Ranking Based On Selection:
10
Engineering & Technology / Nanoscience and Nanotechnology
Nano-devices | nanomaterials characterization | scanning probe microscop

H-Index Metrics

  • H-Index
    21
  • i10 Index
    32
  • Citation Counts
    1,626
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* Total H Index Rankings

Rankings

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674,337
World Rank
1,336
Country Rank
228
University
Ranking Based On Selection:
11
* Total H Index Rankings

Rankings

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695,595
World Rank
1,380
Country Rank
229
University
Ranking Based On Selection:
12
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials | Environmental remediation | Magnetic Nanoparticles | Hetrogenous Catalysis | Electrocatalysi

H-Index Metrics

  • H-Index
    15
  • i10 Index
    18
  • Citation Counts
    1,427
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* Total H Index Rankings

Rankings

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1,018,541
World Rank
2,027
Country Rank
269
University
Ranking Based On Selection:
13
Engineering & Technology / Nanoscience and Nanotechnology
Sustainability | Energy | Water | Nanomaterial

H-Index Metrics

  • H-Index
    10
  • i10 Index
    10
  • Citation Counts
    749
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* Total H Index Rankings

Rankings

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1,117,912
World Rank
2,226
Country Rank
279
University
Ranking Based On Selection:
14
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