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 05, 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
Membranes | Biomimetic and Bioinspired materials | COFs | Separation | Catalysi
H-Index Metrics
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H-Index133
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i10 Index746
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Citation Counts64,833
Rankings
Carbon nanotubes | Chemical Engineering | fluidization | catalysis | graphen
H-Index Metrics
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H-Index118
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i10 Index486
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Citation Counts71,432
Rankings
Polymer Science and Engineering | Chemical Engineering and Technolog
H-Index Metrics
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H-Index104
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i10 Index547
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Citation Counts38,877
Rankings
Membrane separation | Mixed-conducting membranes | Graphene | Metal-organic frameworks | Biosensor
H-Index Metrics
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H-Index102
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i10 Index469
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Citation Counts40,006
Rankings
Controlled Synthesis of Nanostructured Materials | Nanostructured Electrodes for Lithium Ion Batterie
H-Index Metrics
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H-Index101
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i10 Index385
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Citation Counts34,101
Rankings
Inorganic Membrane、Adsorption、Lithium ion battery、Lithium air battery、OR
H-Index Metrics
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H-Index101
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i10 Index303
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Citation Counts39,333
Rankings
Rankings
Nanomaterials - Carbon Nanotubes - 2D Materials - Graphene - Energy Storage - Nanoelectronics - Nanolithograph
H-Index Metrics
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H-Index100
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i10 Index381
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Citation Counts37,424
Rankings
Food Processing | Bio-inspired Chemical Engineering | Food Digestion | Dynamic Nutritio
H-Index Metrics
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H-Index95
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i10 Index624
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Citation Counts39,177
Rankings
Photocatalysis | Fuel Chemistry | Surface Science | Computational Chemistry | Nanostructured Material
H-Index Metrics
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H-Index91
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i10 Index355
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Citation Counts34,215
Rankings
Rankings
Cathode materials for Li-ion battery | Ltihium metal protection | Lithium sulfur battery | Sodium ion batter
H-Index Metrics
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H-Index90
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i10 Index175
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Citation Counts33,384
Rankings
Rankings
Anaerobic digestion | Wastewater treatment technologie
H-Index Metrics
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H-Index89
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i10 Index239
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Citation Counts24,220
Rankings
Rankings
Green Chemistry | Chemical Engineering | Biomass conversion | Catalytic material
H-Index Metrics
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H-Index88
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i10 Index454
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Citation Counts30,248
Rankings
Membrans separation | Porous carbon materials | Gas separation | Wastewater treatment | Hydrogen productio
H-Index Metrics
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H-Index88
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i10 Index484
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Citation Counts34,798
Rankings
Water research | Chemical Engineering | Environmental Science | Water Science & Technolog
H-Index Metrics
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H-Index88
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i10 Index444
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Citation Counts33,286
Rankings
membrane separation | water treatment | CO2 capture | organic solvent nanofiltration | low carbon technolog
H-Index Metrics
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H-Index87
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i10 Index188
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Citation Counts19,677
Rankings
Electrochemistry. nanometermaterials | energy | Electroanalytical Chemistry | 库仑分析 inclusio
H-Index Metrics
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H-Index87
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i10 Index244
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Citation Counts22,281
Rankings
layered double hydroxides | defect | photocatalysis | topological transformatio
H-Index Metrics
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H-Index85
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i10 Index179
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Citation Counts29,685
Rankings
Rankings
Photocatalysis | Surface Science | Surface Defect | Triboelectric nanogenerato
H-Index Metrics
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H-Index82
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i10 Index229
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Citation Counts28,189
Rankings
Metal-organic frameworks | Photocatalyst | Separation membrane | Lignocellulosic biomas
H-Index Metrics
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H-Index82
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i10 Index314
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Citation Counts22,960
Rankings
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