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 Jan 04, 2026, 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 (1.131.911) 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].
Rankings
semiconducting polymers | organic electronics | organic photovoltaic
H-Index Metrics
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H-Index86
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i10 Index279
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Citation Counts28,675
Rankings
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membrane separation | water desalination | nanomaterials | hemodialysis | water-energy nexu
H-Index Metrics
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H-Index71
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i10 Index253
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Citation Counts21,088
Rankings
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CO2RR | Water Electrolysis | Li-S Battery | Fuel Cells | Scale-up Scienc
H-Index Metrics
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H-Index62
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i10 Index219
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Citation Counts13,427
Rankings
Rankings
Climate Variability and Change | Climate Dynamics | Climate Modeling | Hydrological cycl
H-Index Metrics
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H-Index59
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i10 Index120
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Citation Counts15,586
Rankings
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Medicinal Chemistry for New Drug Discover
H-Index Metrics
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H-Index55
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i10 Index159
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Citation Counts9,296
Rankings
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semiconductor | optoelectronics | photonics | biomimetics | flexible electronic
H-Index Metrics
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H-Index52
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i10 Index161
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Citation Counts15,099
Rankings
Flexible electronics | Bio-Electronic
H-Index Metrics
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H-Index51
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i10 Index111
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Citation Counts15,209
Rankings
Surface Science | Ambient Pressure XPS | Electronic Structure
H-Index Metrics
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H-Index51
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i10 Index137
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Citation Counts23,494
Rankings
water quality and treatment | organic micropollutants in urban water cycle | alternative sanitatio
H-Index Metrics
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H-Index50
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i10 Index103
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Citation Counts10,652
Rankings
Artificial intelligence | Machine learning | Computer vision | Autonomous drivin
H-Index Metrics
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H-Index50
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i10 Index153
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Citation Counts8,568
Rankings
Biomaterials | Tissue Engineering | Biotechnolog
H-Index Metrics
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H-Index50
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i10 Index93
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Citation Counts7,544
Rankings
Formation Control | Distributed Coordination | Networked Control Systems | Iterative Learning Control | Autonomous System
H-Index Metrics
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H-Index50
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i10 Index210
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Citation Counts15,625
Rankings
Rankings
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Environmental Toxicology and Chemistry | Risk Assessmen
H-Index Metrics
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H-Index50
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i10 Index112
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Citation Counts9,595
Rankings
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