Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 671 Scientists Citation Rankings (Sort by last 6 years Citation Index) - 2025
The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 1
Solar Energy Conversion and Storage
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,453
33,184
0.633
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 2
Biochemicals
Biofuels
Green Chemistry
Lignin
Plastics Recycling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,858
26,519
0.682
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 3
Physics
perovskites
organics
magnetics
materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,864
23,205
0.728
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 4
Bioenergy
Biotechnology
Chemical pretreatment and transformation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,693
22,125
0.587
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 5
Perovskites
Quantum dots
nanocrystals
photovoltaics
quantum dot solar cells
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,558
21,620
0.561
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 6
Solar energy conversion
Terahertz spectroscopy
Multiple Exciton Generation
Chirality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,547
18,736
0.474
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 7
cellulase
biomass
pretreatment
chromatography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,013
14,740
0.314
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 8
Wind energy
Wind Power
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,068
13,350
0.476
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 9
Energy Systems Analysis
Renewable Energy Integration
Power Systems
Process Systems Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,542
12,254
0.741
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 10
Perovskite，PV
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,306
12,077
0.844
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 11
Renewable Energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,162
10,628
0.480
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 12
Photovoltaics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,108
10,313
0.321
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 13
Electrocatalysis
CO2 Reduction
In situ/Operando Spectroscopy
Photoelectrochemistry
Electrochemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,762
10,228
0.743
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 14
Semiconductors
solar cell materials and devices
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,072
9,879
0.394
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 15
Photovoltaic devices and materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,245
9,669
0.282
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 16
Energy
Nanoscience
Next Generation Solar Photoconversion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,924
9,663
0.183
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 17
Semiconductor Characterization
Failure Analysis
Solar Cell Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,621
9,557
0.900
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 18
greenhouse gas
energy
land
water
life cycle assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,637
8,622
0.518
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 19
renewable energy
building energy
energy modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,416
9,142
0.291
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 20
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,364
8,810
0.775
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 21
Energy Transition
Integrated Assessment
Sustainable Mobility
Electric Vehicles
Smart Grid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,741
8,807
0.820
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 22
defect and alloy theory
materials design
energy materials
transition metal oxides
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,979
8,766
0.418
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 23
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,329
8,230
0.199
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 24
photovoltaics
CdTe
OPV
reliability
WVTR
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,413
8,055
0.559
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 25
high throughput experiments
transparent conductors
materials for energy
materials design
nitrides
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,969
7,996
0.668
* Last 6 Years Citation Counts Rankings
Rankings
5,038
1,992
1
Ranking Based On Selection: 1
Kai Zhu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,453
33,184
0.633
Solar Energy Conversion and Storage
* Last 6 Years Citation Counts Rankings
Rankings
7,140
2,867
2
Ranking Based On Selection: 2
Gregg T Beckham
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,858
26,519
0.682
Biochemicals
Biofuels
Green Chemistry
Lignin
Plastics Recycling
* Last 6 Years Citation Counts Rankings
Rankings
8,836
3,491
3
Ranking Based On Selection: 3
Joseph J Berry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,864
23,205
0.728
Physics
perovskites
organics
magnetics
materials
* Last 6 Years Citation Counts Rankings
Rankings
9,512
3,744
4
Ranking Based On Selection: 4
Wei Wang(Nrel)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,693
22,125
0.587
Bioenergy
Biotechnology
Chemical pretreatment and transformation
* Last 6 Years Citation Counts Rankings
Rankings
9,886
3,891
5
Ranking Based On Selection: 5
Joseph M Luther
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,558
21,620
0.561
Perovskites
Quantum dots
nanocrystals
photovoltaics
quantum dot solar cells
* Last 6 Years Citation Counts Rankings
Rankings
12,306
4,859
6
Ranking Based On Selection: 6
Matthew C Beard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,547
18,736
0.474
Solar energy conversion
Terahertz spectroscopy
Multiple Exciton Generation
Chirality
* Last 6 Years Citation Counts Rankings
Rankings
17,594
6,915
7
Ranking Based On Selection: 7
Michael Himmel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,013
14,740
0.314
* Last 6 Years Citation Counts Rankings
Rankings
20,414
8,032
8
Ranking Based On Selection: 8
Jason Jonkman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,068
13,350
0.476
* Last 6 Years Citation Counts Rankings
Rankings
23,207
9,034
9
Ranking Based On Selection: 9
Bri-Mathias Hodge
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,542
12,254
0.741
Energy Systems Analysis
Renewable Energy Integration
Power Systems
Process Systems Engineering
* Last 6 Years Citation Counts Rankings
Rankings
23,750
9,272
10
Ranking Based On Selection: 10
Qi Jiang（蒋琦）
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,306
12,077
0.844
* Last 6 Years Citation Counts Rankings
Rankings
28,860
11,158
11
Ranking Based On Selection: 11
Paul Denholm
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,162
10,628
0.480
* Last 6 Years Citation Counts Rankings
Rankings
30,167
11,690
12
Ranking Based On Selection: 12
Nikos Kopidakis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,108
10,313
0.321
* Last 6 Years Citation Counts Rankings
Rankings
30,543
11,824
13
Ranking Based On Selection: 13
Wilson A Smith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,762
10,228
0.743
Electrocatalysis
CO2 Reduction
In situ/Operando Spectroscopy
Photoelectrochemistry
Electrochemical Engineering
* Last 6 Years Citation Counts Rankings
Rankings
32,153
12,420
14
Ranking Based On Selection: 14
Mowafak Al-Jassim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,072
9,879
0.394
Semiconductors
solar cell materials and devices
* Last 6 Years Citation Counts Rankings
Rankings
33,247
12,839
15
Ranking Based On Selection: 15
Sarah Kurtz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,245
9,669
0.282
Photovoltaic devices and materials
* Last 6 Years Citation Counts Rankings
Rankings
33,276
12,848
16
Ranking Based On Selection: 16
Arthur Nozik
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,924
9,663
0.183
Energy
Nanoscience
Next Generation Solar Photoconversion
* Last 6 Years Citation Counts Rankings
Rankings
33,806
13,030
17
Ranking Based On Selection: 17
Chuanxiao Xiao
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,621
9,557
0.900
Semiconductor Characterization
Failure Analysis
Solar Cell Physics
* Last 6 Years Citation Counts Rankings
Rankings
39,313
15,090
22
Ranking Based On Selection: 18
Garvin Heath
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,637
8,622
0.518
* Last 6 Years Citation Counts Rankings
Rankings
36,073
13,904
18
Ranking Based On Selection: 19
Nathan Blair
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,416
9,142
0.291
renewable energy
building energy
energy modeling
* Last 6 Years Citation Counts Rankings
Rankings
38,109
14,619
19
Ranking Based On Selection: 20
Steven P Harvey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,364
8,810
0.775
* Last 6 Years Citation Counts Rankings
Rankings
38,132
14,629
20
Ranking Based On Selection: 21
Matteo Muratori
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,741
8,807
0.820
Energy Transition
Integrated Assessment
Sustainable Mobility
Electric Vehicles
Smart Grid
* Last 6 Years Citation Counts Rankings
Rankings
38,382
14,713
21
Ranking Based On Selection: 22
Stephan Lany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,979
8,766
0.418
defect and alloy theory
materials design
energy materials
transition metal oxides
* Last 6 Years Citation Counts Rankings
Rankings
42,014
16,072
23
Ranking Based On Selection: 23
David Ginley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,329
8,230
0.199
* Last 6 Years Citation Counts Rankings
Rankings
43,377
16,575
24
Ranking Based On Selection: 24
Matthew O Reese
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,413
8,055
0.559
* Last 6 Years Citation Counts Rankings
Rankings
43,837
16,732
25
Ranking Based On Selection: 25
Andriy Zakutayev
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,969
7,996
0.668
high throughput experiments
transparent conductors
materials for energy
materials design
nitrides