Citation Rankings
Highly Cited Researchers
Others Highly Cited Researchers 350 Scientists Citation Rankings (Sort by last 6 years Citation Index) - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 1
cellulase
biomass
pretreatment
chromatograph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,724
15,514
0.325
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 2
Wind energy
Wind Powe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,167
14,389
0.493
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 3
Perovskite，P
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,314
13,069
0.853
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 4
Photovoltaic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,658
12,356
0.357
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 5
Semiconductor Characterization
Failure Analysis
Solar Cell Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,942
10,876
0.911
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 6
Energy Transition
Integrated Assessment
Sustainable Mobility
Electric Vehicles
Smart Gri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,877
9,872
0.831
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 7
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,161
9,596
0.789
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 8
greenhouse gas
energy
land
water
life cycle assessmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,286
9,274
0.537
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 9
photovoltaics
CdTe
OPV
reliability
WVT
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,054
8,697
0.578
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 10
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,727
8,674
0.208
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 11
fuel cells
electrolysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,503
8,620
0.466
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 12
Bioenergy Biomas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,617
7,998
0.454
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 13
Solar Photovoltaic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,128
7,967
0.527
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 14
Low cost photovoltaic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,543
7,721
0.669
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 15
Biofuels
molecular dynamics
simulatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,536
7,720
0.328
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 16
Solar Energy
Atomic Layer Deposition
Perovskite Solar Cell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,025
7,475
0.828
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 17
energy
climate
polic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,947
7,428
0.574
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 18
Bioproducts
Biofuels
Process Design
Economic Analysis
Market Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,854
6,638
0.612
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 19
carbon nanotubes
solar conversion
thermoelectrics
TMDCs
perovskite
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,786
6,598
0.516
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 20
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,876
6,586
0.213
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 21
X-ray imaging
tomography
energy storage
lithium-ion batteries
fuel cell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,595
6,580
0.866
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 22
Photovoltaics
Tandem solar cells
Heteroepitaxy
Silicon Microwires
Photoelectrochemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,029
6,411
0.376
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 23
Bioenerg
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,902
6,244
0.419
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 24
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,415
6,242
0.339
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 25
Biofuels
Catalysis
Electrochemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,601
6,181
0.332
* Last 6 Years Citation Counts Rankings
Rankings
18,400
7,218
6
Ranking Based On Selection: 1
Michael Himmel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,724
15,514
0.325
* Last 6 Years Citation Counts Rankings
Rankings
20,655
8,070
7
Ranking Based On Selection: 2
Jason Jonkman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,167
14,389
0.493
* Last 6 Years Citation Counts Rankings
Rankings
23,885
9,282
9
Ranking Based On Selection: 3
Qi Jiang(蒋琦)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,314
13,069
0.853
* Last 6 Years Citation Counts Rankings
Rankings
26,013
10,080
10
Ranking Based On Selection: 4
Nikos Kopidakis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,658
12,356
0.357
* Last 6 Years Citation Counts Rankings
Rankings
31,441
12,112
13
Ranking Based On Selection: 5
Chuanxiao Xiao
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,942
10,876
0.911
Semiconductor Characterization
Failure Analysis
Solar Cell Physic
* Last 6 Years Citation Counts Rankings
Rankings
36,334
13,939
17
Ranking Based On Selection: 6
Matteo Muratori
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,877
9,872
0.831
Energy Transition
Integrated Assessment
Sustainable Mobility
Electric Vehicles
Smart Gri
* Last 6 Years Citation Counts Rankings
Rankings
37,825
14,496
19
Ranking Based On Selection: 7
Steven P Harvey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,161
9,596
0.789
* Last 6 Years Citation Counts Rankings
Rankings
39,751
15,193
21
Ranking Based On Selection: 8
Garvin Heath
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,286
9,274
0.537
* Last 6 Years Citation Counts Rankings
Rankings
43,636
16,600
22
Ranking Based On Selection: 9
Matthew O Reese
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,054
8,697
0.578
* Last 6 Years Citation Counts Rankings
Rankings
43,794
16,660
23
Ranking Based On Selection: 10
David Ginley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,727
8,674
0.208
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Last 6 Years Citation Counts Rankings
Rankings
44,179
16,786
25
Ranking Based On Selection: 11
Bryan Pivovar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,503
8,620
0.466
* Last 6 Years Citation Counts Rankings
Rankings
49,087
18,542
28
Ranking Based On Selection: 12
Amie Sluiter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,617
7,998
0.454
* Last 6 Years Citation Counts Rankings
Rankings
49,356
18,630
29
Ranking Based On Selection: 13
Robert Margolis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,128
7,967
0.527
* Last 6 Years Citation Counts Rankings
Rankings
51,611
19,425
31
Ranking Based On Selection: 14
Maikel Van Hest
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,543
7,721
0.669
* Last 6 Years Citation Counts Rankings
Rankings
51,615
19,428
32
Ranking Based On Selection: 15
Michael F Crowley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,536
7,720
0.328
* Last 6 Years Citation Counts Rankings
Rankings
54,028
20,268
33
Ranking Based On Selection: 16
Axel Palmstrom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,025
7,475
0.828
* Last 6 Years Citation Counts Rankings
Rankings
54,530
20,445
34
Ranking Based On Selection: 17
Doug Arent, Douglas Arent, Douglas J Arent
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,947
7,428
0.574
* Last 6 Years Citation Counts Rankings
Rankings
63,775
23,602
37
Ranking Based On Selection: 18
Mary J Biddy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,854
6,638
0.612
Bioproducts
Biofuels
Process Design
Economic Analysis
Market Analysis
* Last 6 Years Citation Counts Rankings
Rankings
64,267
23,756
38
Ranking Based On Selection: 19
Jeffrey L Blackburn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,786
6,598
0.516
carbon nanotubes
solar conversion
thermoelectrics
TMDCs
perovskite
* Last 6 Years Citation Counts Rankings
Rankings
64,439
23,806
39
Ranking Based On Selection: 20
Justin Johnson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,876
6,586
0.213
* Last 6 Years Citation Counts Rankings
Rankings
64,538
23,834
40
Ranking Based On Selection: 21
Donal P Finegan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,595
6,580
0.866
X-ray imaging
tomography
energy storage
lithium-ion batteries
fuel cell
* Last 6 Years Citation Counts Rankings
Rankings
66,848
24,643
42
Ranking Based On Selection: 22
Emily Warren
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,029
6,411
0.376
Photovoltaics
Tandem solar cells
Heteroepitaxy
Silicon Microwires
Photoelectrochemistr
* Last 6 Years Citation Counts Rankings
Rankings
69,279
25,512
44
Ranking Based On Selection: 23
Mark F Davis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,902
6,244
0.419
* Last 6 Years Citation Counts Rankings
Rankings
69,312
25,524
45
Ranking Based On Selection: 24
Anthony K Burrell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,415
6,242
0.339
* Last 6 Years Citation Counts Rankings
Rankings
70,271
25,877
46
Ranking Based On Selection: 25
David K Johnson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,601
6,181
0.332