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University, Subject, Country, Region, World
World 6.007 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
12
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
291
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Energy Engineering
hollow structures | batteries | electrocatalysis | supercapacitors | photocatalysi
hollow structures | batteries | electrocatalysis | supercapacitors | photocatalysi
H-Index Metrics
-
H-Index231
-
i10 Index407
-
Citation Counts151,606
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* Total H Index Rankings
Rankings
369
World Rank
6
Country Rank
2
University
Ranking Based On Selection:
3
Engineering & Technology / Energy Engineering
Statistics | Machine Learning | Renewable Energy | Building Physics | Particle Physic
Statistics | Machine Learning | Renewable Energy | Building Physics | Particle Physic
H-Index Metrics
-
H-Index224
-
i10 Index704
-
Citation Counts207,217
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* Total H Index Rankings
Rankings
736
World Rank
15
Country Rank
6
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
751
World Rank
279
Country Rank
4
University
Ranking Based On Selection:
5
Engineering & Technology / Energy Engineering
solar cells | memory | semiconductor | organic electronics | organic photovoltaic
solar cells | memory | semiconductor | organic electronics | organic photovoltaic
H-Index Metrics
-
H-Index195
-
i10 Index514
-
Citation Counts164,787
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* Total H Index Rankings
Rankings
1,047
World Rank
407
Country Rank
4
University
Ranking Based On Selection:
6
Engineering & Technology / Energy Engineering
batteries | fuel cells | materials chemistry | synthesis | nanomaterial
batteries | fuel cells | materials chemistry | synthesis | nanomaterial
H-Index Metrics
-
H-Index177
-
i10 Index968
-
Citation Counts136,060
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* Total H Index Rankings
Rankings
1,389
World Rank
98
Country Rank
12
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
1,487
World Rank
42
Country Rank
5
University
Ranking Based On Selection:
8
Engineering & Technology / Energy Engineering
Photovoltaics | Semiconductors | Solar Cells | Conversion Efficienc
Photovoltaics | Semiconductors | Solar Cells | Conversion Efficienc
H-Index Metrics
-
H-Index161
-
i10 Index798
-
Citation Counts134,883
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* Total H Index Rankings
Rankings
2,011
World Rank
20
Country Rank
2
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
2,588
World Rank
31
Country Rank
3
University
Ranking Based On Selection:
10
Engineering & Technology / Energy Engineering
Solar Cells & Solar Fuels | Artificial Photosynthesis | Water Splitting | AEM-WE | CO2 Reductio
Solar Cells & Solar Fuels | Artificial Photosynthesis | Water Splitting | AEM-WE | CO2 Reductio
H-Index Metrics
-
H-Index141
-
i10 Index766
-
Citation Counts81,989
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* Total H Index Rankings
Rankings
2,729
World Rank
90
Country Rank
2
University
Ranking Based On Selection:
11
Engineering & Technology / Energy Engineering
Energy storage | Li-S batteries | Lithium metal anode | Carbon nanomaterials | Fluidized be
Energy storage | Li-S batteries | Lithium metal anode | Carbon nanomaterials | Fluidized be
H-Index Metrics
-
H-Index139
-
i10 Index385
-
Citation Counts71,720
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* Total H Index Rankings
Rankings
3,367
World Rank
1,497
Country Rank
11
University
Ranking Based On Selection:
12
Engineering & Technology / Energy Engineering
Electron Microscopy | Tomography | Renewable Energy | Complex Oxides | Ptychograph
Electron Microscopy | Tomography | Renewable Energy | Complex Oxides | Ptychograph
H-Index Metrics
-
H-Index132
-
i10 Index438
-
Citation Counts80,569
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* Total H Index Rankings
Rankings
3,676
World Rank
3
Country Rank
2
University
Ranking Based On Selection:
13
Engineering & Technology / Energy Engineering
Renewable Energy | Energy Storage Systems | CAD and Design | Smart Material
Renewable Energy | Energy Storage Systems | CAD and Design | Smart Material
H-Index Metrics
-
H-Index129
-
i10 Index498
-
Citation Counts55,863
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* Total H Index Rankings
Rankings
3,803
World Rank
25
Country Rank
9
University
Ranking Based On Selection:
14
Engineering & Technology / Energy Engineering
energy storage materials | graphene 2D materials | photonics | hybrid perovskite
energy storage materials | graphene 2D materials | photonics | hybrid perovskite
H-Index Metrics
-
H-Index128
-
i10 Index450
-
Citation Counts67,624
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* Total H Index Rankings
Rankings
4,146
World Rank
5
Country Rank
1
University
Ranking Based On Selection:
15
Engineering & Technology / Energy Engineering
Energy Engineering | Solar Thermal | Photovoltaics | Renewable Energ
Energy Engineering | Solar Thermal | Photovoltaics | Renewable Energ
H-Index Metrics
-
H-Index125
-
i10 Index804
-
Citation Counts64,833
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* Total H Index Rankings
Rankings
4,642
World Rank
2,117
Country Rank
3
University
Ranking Based On Selection:
16
Engineering & Technology / Energy Engineering
Electrochemical Engineering | Polymer Electrolytes | Fuel cells | Hydrogen | Electrocatalysi
Electrochemical Engineering | Polymer Electrolytes | Fuel cells | Hydrogen | Electrocatalysi
H-Index Metrics
-
H-Index122
-
i10 Index338
-
Citation Counts52,396
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* Total H Index Rankings
Rankings
4,735
World Rank
2,159
Country Rank
1
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
5,842
World Rank
44
Country Rank
16
University
Ranking Based On Selection:
18
Engineering & Technology / Energy Engineering
Energy storage | Batteries | E-waste/Batteries recycling | Sustainability | Circular econom
Energy storage | Batteries | E-waste/Batteries recycling | Sustainability | Circular econom
H-Index Metrics
-
H-Index115
-
i10 Index399
-
Citation Counts44,005
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* Total H Index Rankings
Rankings
5,996
World Rank
225
Country Rank
40
University
Ranking Based On Selection:
19
Engineering & Technology / Energy Engineering
energy | fluids | CO2 conversion | CO2 capture | electrochemical system
energy | fluids | CO2 conversion | CO2 capture | electrochemical system
H-Index Metrics
-
H-Index114
-
i10 Index303
-
Citation Counts48,903
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* Total H Index Rankings
Rankings
6,224
World Rank
254
Country Rank
3
University
Ranking Based On Selection:
20
Engineering & Technology / Energy Engineering
solar energy conversion materials (potocatalysis | photoelectrochemical | solar cells
solar energy conversion materials (potocatalysis | photoelectrochemical | solar cells
H-Index Metrics
-
H-Index113
-
i10 Index619
-
Citation Counts67,792
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* Total H Index Rankings
Rankings
6,646
World Rank
276
Country Rank
3
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
6,661
World Rank
68
Country Rank
15
University
Ranking Based On Selection:
22
Engineering & Technology / Energy Engineering
perovskite solar cells | perovskite LEDs | organic solar cells | organic electronic
perovskite solar cells | perovskite LEDs | organic solar cells | organic electronic
H-Index Metrics
-
H-Index111
-
i10 Index294
-
Citation Counts49,745
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* Total H Index Rankings
Rankings
6,733
World Rank
123
Country Rank
31
University
Ranking Based On Selection:
23
Engineering & Technology / Energy Engineering
Energy | Nanotechnology | Thermodynamics | Interfacial Phenomena and Surface Science | Biofluidic
Energy | Nanotechnology | Thermodynamics | Interfacial Phenomena and Surface Science | Biofluidic
H-Index Metrics
-
H-Index111
-
i10 Index438
-
Citation Counts44,008
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* Total H Index Rankings
Rankings
6,884
World Rank
290
Country Rank
2
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
6,954
World Rank
126
Country Rank
20
University
Ranking Based On Selection:
25
Engineering & Technology / Energy Engineering
solar cells and modules | building integrated photovoltaics | storage | smart gri
solar cells and modules | building integrated photovoltaics | storage | smart gri
H-Index Metrics
-
H-Index110
-
i10 Index475
-
Citation Counts45,618
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