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 (1.131.752) 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
Photovoltaics | Energy Materials | Thin Film Solar Cells | Materials Science | Nano Scienc
H-Index Metrics
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H-Index65
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i10 Index208
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Citation Counts14,670
Rankings
Rankings
Atomic layer deposition | Nanofabrication | Hydrophobicity | Surface functionalization | Semiconducto
H-Index Metrics
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H-Index56
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i10 Index127
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Citation Counts10,901
Rankings
Rankings
Biotechnology | Nano-Biomaterials | Biomass & Bioenergy | Solution Plasma Proces
H-Index Metrics
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H-Index47
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i10 Index104
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Citation Counts9,797
Rankings
Ai-based CM | Carbon Neutrality | Heat Stress Monitoring | Human-Robot Collaboratio
H-Index Metrics
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H-Index47
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i10 Index108
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Citation Counts5,762
Rankings
Rankings
Rankings
Phase change heat transfer | Two phase interface phenomenon | 3D structure of low dimensional material
H-Index Metrics
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H-Index45
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i10 Index98
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Citation Counts7,009
Rankings
Rankings
Biomaterials | Tissue Engineering | Engineered Tissue Models | Surface Modification
H-Index Metrics
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H-Index43
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i10 Index79
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Citation Counts5,966
Rankings
Electrical Machines | Machine design | PMSM | Condition Monitoring | Motor drive
H-Index Metrics
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H-Index42
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i10 Index111
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Citation Counts5,718
Rankings
Rankings
Rankings
Conjugated Polymer | Organic Electronics | OFET | Sensor | MO
H-Index Metrics
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H-Index41
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i10 Index84
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Citation Counts6,802
Rankings
Construction materials | Concrete engineering | Cement chemistry | Alkali-activated materials | CO2 utilization and sequestratio
H-Index Metrics
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H-Index39
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i10 Index74
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Citation Counts6,058
Rankings
Solar Cells | Electronic devices | Transparent photovoltaics | Photoelectrochemical cells | PV
H-Index Metrics
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H-Index38
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i10 Index100
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Citation Counts4,569
Rankings
Membrane Technology | Process Engineering | Biodegradable Polymers | Artificial Organ
H-Index Metrics
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H-Index37
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i10 Index62
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Citation Counts5,655
Rankings
Marine environmental biology | Environmental DNA | Molecular ecotoxicology | Ecotoxicogenomic
H-Index Metrics
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H-Index35
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i10 Index77
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Citation Counts5,555
Rankings
Rankings
Rankings
Rankings
Rankings
Concrete technology | Cement Chemistry | Alternative Building materials | Cemen
H-Index Metrics
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H-Index32
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i10 Index53
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Citation Counts3,101
Rankings
Material Engineering | Micromechanics | Deformation | EBSD | Residual Stres
H-Index Metrics
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H-Index32
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i10 Index81
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Citation Counts3,388
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