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 02, 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 (1.131.752) 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
Rankings
energy materials | nanomaterials | spray pyrolysis | battery material
H-Index Metrics
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H-Index92
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i10 Index575
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Citation Counts33,163
Rankings
Quantum Simulation | Battery | Catalyst | Machine Learning | Quantum Computin
H-Index Metrics
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H-Index79
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i10 Index368
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Citation Counts22,836
Rankings
Rankings
Rankings
Energy storage | Nanomaterials | Supercapacitor | Photocatalysis | Senso
H-Index Metrics
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H-Index74
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i10 Index282
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Citation Counts17,702
Rankings
Polymers | Perovskites | and Quantum Dots for Solar Cells and/or LED
H-Index Metrics
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H-Index73
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i10 Index241
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Citation Counts37,611
Rankings
Perovskite Solar Cell | Flexible Solar Cell | Biomaterials | Water Splittin
H-Index Metrics
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H-Index70
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i10 Index224
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Citation Counts21,358
Rankings
Solar fuels | Arficial photosynthesis | Photoelectrocatalysis | Solar resource recovery | Advanced oxidation technologie
H-Index Metrics
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H-Index70
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i10 Index181
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Citation Counts19,011
Rankings
Li- & Na- ion Batteries | Solid Electrolytes | HRPD | XAS | PD
H-Index Metrics
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H-Index70
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i10 Index156
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Citation Counts19,242
Rankings
Rankings
Energy storage | Batteries | Nanomaterials | TEM | In-situ TE
H-Index Metrics
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H-Index65
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i10 Index131
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Citation Counts33,090
Rankings
Harmony Search | Engineering Optimization | Smart City | Sustainability | Musi
H-Index Metrics
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H-Index65
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i10 Index209
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Citation Counts30,922
Rankings
Fuel cells | Electrocatalysis | Redox Flow batteries | Metal-air batteries | Membrane
H-Index Metrics
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H-Index63
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i10 Index137
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Citation Counts12,891
Rankings
Battery | Digital-Twin Modeling & Simulation | Electrode Design | Polymeric Energy Material
H-Index Metrics
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H-Index62
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i10 Index180
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Citation Counts12,919
Rankings
Materials Chemistry | Materials Processing | Smart Materials | Nanomaterial
H-Index Metrics
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H-Index60
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i10 Index240
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Citation Counts11,968
Rankings
Rankings
nanotechnolgy | carbon nanotube | hexagonal boron nitride | graphene | TMD
H-Index Metrics
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H-Index58
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i10 Index120
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Citation Counts21,997
Rankings
Rankings
energy storage | Materials design | Lithium batteries | computational modeling | First principle
H-Index Metrics
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H-Index57
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i10 Index102
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Citation Counts21,821
Rankings
tandem solar cells | electrochemistry | solar fuels | electrocatalyst | perovskit
H-Index Metrics
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H-Index57
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i10 Index142
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Citation Counts12,055
Rankings
Thermoelectric Materials for Energy Conversion | Electrides as New Electro-Active Materials | Electron Transfer in Organic/Inorga
H-Index Metrics
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H-Index56
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i10 Index156
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Citation Counts16,983
Rankings
Rankings
2D materials | Aqueous batteries | Sulfur batteries | Supercapacitors | Electrocatalyst
H-Index Metrics
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H-Index52
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i10 Index108
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Citation Counts9,332
Rankings
Electron Microscopy | Scanning Transmission Electron Microscopy | Electron Energy Loss Spectroscop
H-Index Metrics
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H-Index52
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i10 Index155
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Citation Counts9,735
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