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].
Rankings
Membranes | Graphene | Energy | Positron | Separatio
H-Index Metrics
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H-Index55
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i10 Index177
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Citation Counts11,299
Rankings
plasmas | nanomaterials | carbon materials | nanotechnolog
H-Index Metrics
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H-Index50
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i10 Index161
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Citation Counts8,917
Rankings
P2X Electrocatalysts | Emerging Sensors | Self-charging Solar Battery | Triboelectric powered system
H-Index Metrics
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H-Index49
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i10 Index98
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Citation Counts9,601
Rankings
Thermodynamics | Phase Equilibria | Separation | Ionic Liquid
H-Index Metrics
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H-Index43
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i10 Index188
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Citation Counts7,017
Rankings
Block Copolymers | Solution Shearing | OFET | OFET memor
H-Index Metrics
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H-Index41
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i10 Index100
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Citation Counts7,258
Rankings
Microfluidics and nanofluidics | Water-enabled energy | Electrokinetics | Ion transport | Nanoporous membrane
H-Index Metrics
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H-Index41
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i10 Index96
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Citation Counts4,823
Rankings
photocatalysis | water splitting | carbon-based material
H-Index Metrics
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H-Index38
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i10 Index95
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Citation Counts5,541
Rankings
Nanotechnology | Biomedical Engineering | Energy Storage Device
H-Index Metrics
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H-Index33
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i10 Index65
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Citation Counts3,766
Rankings
Rankings
Mobile Computing | Cyber Security | Wireless Communication
H-Index Metrics
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H-Index26
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i10 Index51
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Citation Counts3,196
Rankings
Process Intensification | Rotating Packed Bed | Photoelectrochemical Cell | Water Splitting | Catalytic Reactio
H-Index Metrics
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H-Index24
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i10 Index34
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Citation Counts2,217
Rankings
Electrochemistry | Batteries | Solid-State Chemistry | Interfacial Engineering | Material Scienc
H-Index Metrics
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H-Index22
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i10 Index38
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Citation Counts1,656
Rankings
Rankings
Nanomaterial | Drug Delivery | nanocarrier | Quantum dots | Phototherap
H-Index Metrics
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H-Index13
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i10 Index14
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Citation Counts462
Rankings
Rankings
Rankings
Chemical Engineering | Material Science | Polymer Chemistry | Electrochemistry | Biomass Conversio
H-Index Metrics
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H-Index7
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i10 Index5
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Citation Counts182
Rankings
Material science | chemistry | chemical engineering | nanomaterial
H-Index Metrics
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H-Index6
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i10 Index5
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Citation Counts176
Rankings
Advanced oxidation processes | Photocatalyst preparation and modification | Electrochemical enhancement for photocatalytic proces
H-Index Metrics
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H-Index6
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i10 Index5
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Citation Counts308
Rankings
Plasma science | Materials science | Surface chemistry | Biosensors | Electrochemistr
H-Index Metrics
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H-Index5
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i10 Index4
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Citation Counts144
Rankings
Rankings
Nanomaterials | Organic electronic devices | Green energy | waste management & pollution control
H-Index Metrics
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H-Index4
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i10 Index2
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Citation Counts56
Rankings
membrane technology for gas separation | polymer binder for lithium ion battery | mixed matrix membrane | polymerization | lithium
H-Index Metrics
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H-Index2
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i10 Index1
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Citation Counts51

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