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World Scientist and University Rankings 2026
World Engineering & Technology 12.127 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Sep 02, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.122.044) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
105
World Rank
47
Country Rank
2
University
Ranking Based On Selection:
1
Engineering & Technology / Chemical Engineering
Nanomaterials | Biomedicine | Imaging | Energy | Catalysi
Nanomaterials | Biomedicine | Imaging | Energy | Catalysi
H-Index Metrics
-
H-Index256
-
i10 Index877
-
Citation Counts275,941
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* Total H Index Rankings
Rankings
254
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
259
World Rank
107
Country Rank
4
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
674
World Rank
10
Country Rank
2
University
Ranking Based On Selection:
4
Engineering & Technology / Chemical Engineering
Electrocatalysis | photocatalysis | energy conversion and storage | RNA deliver
Electrocatalysis | photocatalysis | energy conversion and storage | RNA deliver
H-Index Metrics
-
H-Index200
-
i10 Index540
-
Citation Counts152,061
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* Total H Index Rankings
Rankings
814
World Rank
305
Country Rank
3
University
Ranking Based On Selection:
5
Engineering & Technology / Chemical Engineering
Continuous Oral Drug Delivery | Continuous Electrochemical Glucose Monitoring for Diabetes Managemen
Continuous Oral Drug Delivery | Continuous Electrochemical Glucose Monitoring for Diabetes Managemen
H-Index Metrics
-
H-Index191
-
i10 Index559
-
Citation Counts155,315
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* Total H Index Rankings
Rankings
906
World Rank
20
Country Rank
3
University
Ranking Based On Selection:
6
Engineering & Technology / Chemical Engineering
Catalysis | Adsorption | Photocatalysis | Nanomaterials | Chemical Engineerin
Catalysis | Adsorption | Photocatalysis | Nanomaterials | Chemical Engineerin
H-Index Metrics
-
H-Index184
-
i10 Index770
-
Citation Counts115,072
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* Total H Index Rankings
Rankings
1,720
World Rank
18
Country Rank
1
University
Ranking Based On Selection:
7
Engineering & Technology / Chemical Engineering
Metabolic engineering | synthetic biology | biochemical engineering | bioprocess engineerin
Metabolic engineering | synthetic biology | biochemical engineering | bioprocess engineerin
H-Index Metrics
-
H-Index155
-
i10 Index693
-
Citation Counts87,812
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* Total H Index Rankings
Rankings
1,731
World Rank
727
Country Rank
6
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
1,820
World Rank
766
Country Rank
7
University
Ranking Based On Selection:
9
Engineering & Technology / Chemical Engineering
biocatalysis | enzyme technology | protein engineering | synthetic biology | directed evolutio
biocatalysis | enzyme technology | protein engineering | synthetic biology | directed evolutio
H-Index Metrics
-
H-Index154
-
i10 Index448
-
Citation Counts81,852
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* Total H Index Rankings
Rankings
2,282
World Rank
981
Country Rank
7
University
Ranking Based On Selection:
10
Engineering & Technology / Chemical Engineering
adhesion | carbon fibers | graphene | graphite nanoplatelets | composite
adhesion | carbon fibers | graphene | graphite nanoplatelets | composite
H-Index Metrics
-
H-Index145
-
i10 Index839
-
Citation Counts97,380
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* Total H Index Rankings
Rankings
2,373
World Rank
1,034
Country Rank
9
University
Ranking Based On Selection:
11
Engineering & Technology / Chemical Engineering
Chemical Engineering | Biomedical Engineering | Materials | Biomaterials | Hydrogel
Chemical Engineering | Biomedical Engineering | Materials | Biomaterials | Hydrogel
H-Index Metrics
-
H-Index144
-
i10 Index415
-
Citation Counts73,898
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* Total H Index Rankings
Rankings
2,596
World Rank
1,144
Country Rank
13
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
2,600
World Rank
1,146
Country Rank
27
University
Ranking Based On Selection:
13
Engineering & Technology / Chemical Engineering
Microsystems for chemistry and biology | continuos synthesis | nanomaterial
Microsystems for chemistry and biology | continuos synthesis | nanomaterial
H-Index Metrics
-
H-Index141
-
i10 Index583
-
Citation Counts82,480
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* Total H Index Rankings
Rankings
2,732
World Rank
29
Country Rank
1
University
Ranking Based On Selection:
14
Engineering & Technology / Chemical Engineering
Wireless Communication | IoT/Cyber-Physical Systems | Connected and autonomous vehicles | Electri
Wireless Communication | IoT/Cyber-Physical Systems | Connected and autonomous vehicles | Electri
H-Index Metrics
-
H-Index139
-
i10 Index805
-
Citation Counts71,522
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* Total H Index Rankings
Rankings
2,797
World Rank
1,256
Country Rank
16
University
Ranking Based On Selection:
15
Engineering & Technology / Chemical Engineering
polymers | chemistry | physics | chemical engineering | materials scienc
polymers | chemistry | physics | chemical engineering | materials scienc
H-Index Metrics
-
H-Index139
-
i10 Index525
-
Citation Counts82,577
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* Total H Index Rankings
Rankings
2,810
World Rank
93
Country Rank
15
University
Ranking Based On Selection:
16
Engineering & Technology / Chemical Engineering
Theoretical chemistry | quantum information science | Physical Chemistry | Energy Materials | Machine Learnin
Theoretical chemistry | quantum information science | Physical Chemistry | Energy Materials | Machine Learnin
H-Index Metrics
-
H-Index138
-
i10 Index477
-
Citation Counts102,210
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* Total H Index Rankings
Rankings
2,903
World Rank
1,303
Country Rank
2
University
Ranking Based On Selection:
17
Engineering & Technology / Chemical Engineering
Electrochemistry | Catalysis/Electrocatalysis | Fuel Cells | Electrolysis | Ammonia Energ
Electrochemistry | Catalysis/Electrocatalysis | Fuel Cells | Electrolysis | Ammonia Energ
H-Index Metrics
-
H-Index137
-
i10 Index341
-
Citation Counts63,704
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* Total H Index Rankings
Rankings
3,004
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
3,098
World Rank
133
Country Rank
1
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
3,217
World Rank
1,439
Country Rank
8
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
3,364
World Rank
18
Country Rank
13
University
Ranking Based On Selection:
21
Engineering & Technology / Chemical Engineering
aggregation-induced-emission | conjugated polymer | conjugated polyelectrolyte | sensing and imaging | cancer therap
aggregation-induced-emission | conjugated polymer | conjugated polyelectrolyte | sensing and imaging | cancer therap
H-Index Metrics
-
H-Index132
-
i10 Index546
-
Citation Counts67,113
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* Total H Index Rankings
Rankings
3,526
World Rank
55
Country Rank
12
University
Ranking Based On Selection:
22
Engineering & Technology / Chemical Engineering
Chemical Engineering | Aerosols | Combustion | Sensors | Particle Technolog
Chemical Engineering | Aerosols | Combustion | Sensors | Particle Technolog
H-Index Metrics
-
H-Index132
-
i10 Index461
-
Citation Counts53,196
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* Total H Index Rankings
Rankings
3,528
World Rank
1,577
Country Rank
1
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
3,571
World Rank
36
Country Rank
5
University
Ranking Based On Selection:
24
Engineering & Technology / Chemical Engineering
Perovskite Solar Cell | Qunatun Dot Solar Cell | Dye-Sensitized Solar Cel
Perovskite Solar Cell | Qunatun Dot Solar Cell | Dye-Sensitized Solar Cel
H-Index Metrics
-
H-Index130
-
i10 Index381
-
Citation Counts89,298
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* Total H Index Rankings
Rankings
3,573
World Rank
120
Country Rank
1
University
Ranking Based On Selection:
25
Engineering & Technology / Chemical Engineering
Membranes | Biomimetic and Bioinspired materials | COFs | Separation | Catalysi
Membranes | Biomimetic and Bioinspired materials | COFs | Separation | Catalysi
H-Index Metrics
-
H-Index130
-
i10 Index734
-
Citation Counts62,318
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Premium Data
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