Subject Rankings

Europe Subject Rankings 2025

AD Scientific Index (Alper-Doger Scientific Index) offers the broadest spectrum of branches, providing analysis in 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses can be based on indicators such as the H-index, i10-index, and citation count, as well as their values from the last 6 years. As of Nov 21, 2024, rankings are according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in beta. This is due to the exclusion of (873.864) scientists categorized under 'others,' whose profiles cannot yet be determined, edited, or classified. As these fields are updated, the rankings will adjust accordingly. Please keep this in mind. See Also: [University Subject Rankings]

* Total H IndexRankings
Ranking Based On Selection :2
Roberto Castello
Statistics
Machine Learning
Renewable Energy
Building Physics
Particle Physics
Metrics
H-Index
i10 Index
Citation Counts
220
721
205,177
* Total H IndexRankings
Ranking Based On Selection :4
James Robert Durrant
solar energy
photochemistry
Metrics
H-Index
i10 Index
Citation Counts
159
513
86,149
* Total H IndexRankings
Ranking Based On Selection :5
Licheng Sun
Solar Cells & Solar Fuels
Artificial Photosynthesis
Water Splitting
Metrics
H-Index
i10 Index
Citation Counts
136
718
76,609
* Total H IndexRankings
Ranking Based On Selection :6
Dimos Poulikakos
Energy
Nanotechnology
Thermodynamics
Interfacial Phenomena and Surface Science
Biofluidics
Metrics
H-Index
i10 Index
Citation Counts
107
430
41,728
* Total H IndexRankings
Ranking Based On Selection :7
Christophe Ballif
solar cells and modules
building integrated photovoltaics
storage
smart grid
Metrics
H-Index
i10 Index
Citation Counts
106
453
42,314
* Total H IndexRankings
Ranking Based On Selection :8
Soteris Kalogirou
Solar Energy
Renewable Energy Systems
Solar Cooling
Desalination
Neural Networks
Metrics
H-Index
i10 Index
Citation Counts
96
246
46,812
* Total H IndexRankings
Ranking Based On Selection :9
Petr Novák
Batteries
Energy Storage
Electrochemistry
Battery Characterization
Metrics
H-Index
i10 Index
Citation Counts
94
283
44,428
* Total H IndexRankings
Ranking Based On Selection :11
Antonio Abate
Hybrid solar cells
Perovskite solar cells
Perovskites
Tin perovskite
Solar energy conversion
Metrics
H-Index
i10 Index
Citation Counts
89
190
56,842
* Total H IndexRankings
Ranking Based On Selection :12
Jinyue Yan
energy systems
CCS
renewable energy
power generation
climate change mitigation
Metrics
H-Index
i10 Index
Citation Counts
88
411
31,168
* Total H IndexRankings
Ranking Based On Selection :13
Henrik Lund
100% Renewable Energy Systems
Smart Energy Systems Design and Modelling
Energy Planning and Policy
Metrics
H-Index
i10 Index
Citation Counts
87
210
39,290
* Total H IndexRankings
Ranking Based On Selection :14
Detlef Stolten
Energy
hydrogen
fuel cells
electrolysis
systems analysis
Metrics
H-Index
i10 Index
Citation Counts
86
332
31,530
* Total H IndexRankings
Ranking Based On Selection :15
Martin K Patel
Energy efficiency
emission reduction
bio-based materials
energy analysis
LCA (Life Cycle Assessment)
Metrics
H-Index
i10 Index
Citation Counts
85
248
25,479
* Total H IndexRankings
Ranking Based On Selection :16
Jens Bo Holm Nielsen
Center for Bioenergy and Green Engineering incl. Renewable Energy Systems
Smart Energy Systems
Metrics
H-Index
i10 Index
Citation Counts
85
310
28,600
* Total H IndexRankings
Ranking Based On Selection :17
Christian Breyer
renewable energy
energy transition
solar energy
Metrics
H-Index
i10 Index
Citation Counts
82
243
25,346
* Total H IndexRankings
Ranking Based On Selection :18
Peter D Lund
Advanced Energy Systems
Renewable Energy
Energy Transition
Multidisciplinarity
Metrics
H-Index
i10 Index
Citation Counts
79
327
24,439
* Total H IndexRankings
Ranking Based On Selection :19
François Maréchal
energy efficiency
process integration
energy system
renewable energy
computer aided decision support
Metrics
H-Index
i10 Index
Citation Counts
78
327
20,028
* Total H IndexRankings
Ranking Based On Selection :20
Mike Lockwood
Solar change
space weather
climate
Metrics
H-Index
i10 Index
Citation Counts
76
340
38,119
* Total H IndexRankings
Ranking Based On Selection :21
David G Lidzey
photovoltaics
microcavities
polaritons
organic semiconductors
perovskites
Metrics
H-Index
i10 Index
Citation Counts
74
267
20,682
* Total H IndexRankings
Ranking Based On Selection :22
Mikkel Jørgensen
Solar Cells
NMR
Organinc Synthesis
Metrics
H-Index
i10 Index
Citation Counts
74
173
25,196
* Total H IndexRankings
Ranking Based On Selection :23
Kornelis Blok
sustainable energy for everyone
Metrics
H-Index
i10 Index
Citation Counts
73
187
19,339
* Total H IndexRankings
Ranking Based On Selection :24
Evangelos Bellos
Thermodynamics
Refrigeration
ORC
Solar Collector
Energy in Buildings
Metrics
H-Index
i10 Index
Citation Counts
72
178
14,876
* Total H IndexRankings
Ranking Based On Selection :25
Sai Gu
Energy
Materials
Industry 4.0
Metrics
H-Index
i10 Index
Citation Counts
72
195
20,803
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Michael Graetzel
Metrics
H-Index
i10-Index
Citation Counts
309
1,539
497,563
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Roberto Castello
Metrics
H-Index
i10-Index
Citation Counts
220
721
205,177
Statistics
Machine Learning
Renewable Energy
Building Physics
Particle Physics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Nazeeruddin
Metrics
H-Index
i10-Index
Citation Counts
193
838
186,599
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
James Robert Durrant
Metrics
H-Index
i10-Index
Citation Counts
159
513
86,149
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Licheng Sun
Metrics
H-Index
i10-Index
Citation Counts
136
718
76,609
Solar Cells & Solar Fuels
Artificial Photosynthesis
Water Splitting
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Dimos Poulikakos
Metrics
H-Index
i10-Index
Citation Counts
107
430
41,728
Energy
Nanotechnology
Thermodynamics
Interfacial Phenomena and Surface Science
Biofluidics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Christophe Ballif
Metrics
H-Index
i10-Index
Citation Counts
106
453
42,314
solar cells and modules
building integrated photovoltaics
storage
smart grid
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Soteris Kalogirou
Metrics
H-Index
i10-Index
Citation Counts
96
246
46,812
Solar Energy
Renewable Energy Systems
Solar Cooling
Desalination
Neural Networks
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Petr Novák
Metrics
H-Index
i10-Index
Citation Counts
94
283
44,428
Batteries
Energy Storage
Electrochemistry
Battery Characterization
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Ernst Worrell
Metrics
H-Index
i10-Index
Citation Counts
91
307
33,630
* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Antonio Abate
Metrics
H-Index
i10-Index
Citation Counts
89
190
56,842
Hybrid solar cells
Perovskite solar cells
Perovskites
Tin perovskite
Solar energy conversion
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Jinyue Yan
Metrics
H-Index
i10-Index
Citation Counts
88
411
31,168
energy systems
CCS
renewable energy
power generation
climate change mitigation
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Henrik Lund
Metrics
H-Index
i10-Index
Citation Counts
87
210
39,290
100% Renewable Energy Systems
Smart Energy Systems Design and Modelling
Energy Planning and Policy
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Detlef Stolten
Metrics
H-Index
i10-Index
Citation Counts
86
332
31,530
Energy
hydrogen
fuel cells
electrolysis
systems analysis
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Martin K Patel
Metrics
H-Index
i10-Index
Citation Counts
85
248
25,479
Energy efficiency
emission reduction
bio-based materials
energy analysis
LCA (Life Cycle Assessment)
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Jens Bo Holm Nielsen
Metrics
H-Index
i10-Index
Citation Counts
85
310
28,600
Center for Bioenergy and Green Engineering incl. Renewable Energy Systems
Smart Energy Systems
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Christian Breyer
Metrics
H-Index
i10-Index
Citation Counts
82
243
25,346
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Peter D Lund
Metrics
H-Index
i10-Index
Citation Counts
79
327
24,439
Advanced Energy Systems
Renewable Energy
Energy Transition
Multidisciplinarity
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
François Maréchal
Metrics
H-Index
i10-Index
Citation Counts
78
327
20,028
energy efficiency
process integration
energy system
renewable energy
computer aided decision support
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Mike Lockwood
Metrics
H-Index
i10-Index
Citation Counts
76
340
38,119
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
David G Lidzey
Metrics
H-Index
i10-Index
Citation Counts
74
267
20,682
photovoltaics
microcavities
polaritons
organic semiconductors
perovskites
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Mikkel Jørgensen
Metrics
H-Index
i10-Index
Citation Counts
74
173
25,196
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Kornelis Blok
Metrics
H-Index
i10-Index
Citation Counts
73
187
19,339
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Evangelos Bellos
Metrics
H-Index
i10-Index
Citation Counts
72
178
14,876
Thermodynamics
Refrigeration
ORC
Solar Collector
Energy in Buildings
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Sai Gu
Metrics
H-Index
i10-Index
Citation Counts
72
195
20,803