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 03, 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
Lithium ion batteries | All Solid State Battery | Na ion and Potassium ion batteries | Cathode for batteries | Li sulfur and Li oxy
H-Index Metrics
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H-Index175
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i10 Index745
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Citation Counts117,635
Rankings
Materials Application | Air Quality | Environmental analysis | Odor VOC | Metal-Organic Framework
H-Index Metrics
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H-Index153
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i10 Index1,155
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Citation Counts114,172
Rankings
Marine Biotechnology | Natural Products | Marine Biomaterial
H-Index Metrics
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H-Index135
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i10 Index505
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Citation Counts65,334
Rankings
Materials Science | Batteries | First principles calculations | Water splitting | Materials Engineerin
H-Index Metrics
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H-Index128
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i10 Index334
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Citation Counts59,262
Rankings
Battery | Energy Storage | Materials Chemistry | Polymer | Supramolecular Chemistr
H-Index Metrics
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H-Index113
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i10 Index258
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Citation Counts54,980
Rankings
Solar water splitting | chemical sensors | memristors | optoelectronics & plasmonics | metal-insulator transitio
H-Index Metrics
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H-Index108
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i10 Index554
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Citation Counts40,905
Rankings
Materials Science | Semiconductor Devices | Thin film | Fabricatio
H-Index Metrics
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H-Index106
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i10 Index616
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Citation Counts54,646
Rankings
Rankings
Metallic materials | High Entropy Alloy | Metal 3D Printing | Severe Plastic Deformation | FE
H-Index Metrics
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H-Index102
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i10 Index721
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Citation Counts44,457
Rankings
regenerative medicine | biomaterials | nanomedicin
H-Index Metrics
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H-Index101
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i10 Index331
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Citation Counts34,582
Rankings
gas sensors | oxide nanostructures | oxide electrolyte
H-Index Metrics
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H-Index100
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i10 Index307
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Citation Counts32,140
Rankings
Water Splitting | Solar Cells | TCO | Materials Engineerin
H-Index Metrics
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H-Index90
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i10 Index446
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Citation Counts28,633
Rankings
Rankings
nanomaterials | gas sensors | thin films | electronic mateiral
H-Index Metrics
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H-Index87
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i10 Index328
-
Citation Counts21,770
Rankings
2D Materials | Halide perovskite materials | Light-emitting diodes | Photovoltaic cells | Water splittin
H-Index Metrics
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H-Index85
-
i10 Index317
-
Citation Counts22,367
Rankings
Artificial Photosynthesis | Bio-hybrid Materials | Photobiocatalysis | Self-assembled Biomaterial
H-Index Metrics
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H-Index83
-
i10 Index201
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Citation Counts20,969
Rankings
Photochemistry | Water Oxidation | Peptide Based Material | Bioinspired Chiral Plasmonic
H-Index Metrics
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H-Index81
-
i10 Index219
-
Citation Counts22,922
Rankings
Materials Chemistry | Energy materials | Nanoporous materials | Electrochemistry | Nanostructured material
H-Index Metrics
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H-Index79
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i10 Index227
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Citation Counts19,645
Rankings
Materials Science | Energy Conversion & Storage Material
H-Index Metrics
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H-Index77
-
i10 Index229
-
Citation Counts21,213
Rankings
Materials Science and Engineering | Computational Materials Science | Atomistic Simulatio
H-Index Metrics
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H-Index77
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i10 Index265
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Citation Counts20,236
Rankings
Polymer Chemistry | Polymer Hydrogels | Polymer Nanofibers | Eco-friendly Polymers | Biomedical Polymer
H-Index Metrics
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H-Index77
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i10 Index237
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Citation Counts25,984
Rankings
Energy Storage System | Batteries | Electrode Material
H-Index Metrics
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H-Index75
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i10 Index229
-
Citation Counts20,616
Rankings
Lithium-ion batteries | nanopatterning | Si anodes | porous membrane | polymeric binde
H-Index Metrics
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H-Index74
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i10 Index262
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Citation Counts21,401
Rankings
battery | cathode | anode | Synchrotron analyse
H-Index Metrics
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H-Index74
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i10 Index227
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Citation Counts21,052
Rankings
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