i10 Productivity
Rankings

National Renewable Energy Laboratory/ ScientistsNatural Sciences / Chemical Sciences i10 Productivity Rankings 2025

Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as Scientists Last 6 Years' i10 Index, Universities Total i10 Index Rankings 2025, Universities Last 6 Years' i10 Index Rankings 2025, Art and Humanities i10 Productivity Rankings, and Social Sciences and Humanities i10 Productivity Rankings.

* Total i10 IndexRankings
Ranking Based On Selection :1
United States
Gregg T Beckham
Biochemicals
Biofuels
Green Chemistry
Lignin
Plastics Recycling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
271
268
0.989
* Total i10 IndexRankings
Ranking Based On Selection :2
United States
Thomas Gennett
Energy related materials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
49
0.527
* Total i10 IndexRankings
Ranking Based On Selection :3
United States
Nathan R Neale
Inorganic Chemistry
Renewable Energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
76
0.874
* Total i10 IndexRankings
Ranking Based On Selection :4
United States
Edward Wolfrum
chemometrics
biomass analysis
applied statistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
66
49
0.742
* Total i10 IndexRankings
Ranking Based On Selection :5
United States
David Robichaud
chemistry
biomass
catalysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
47
0.825
* Total i10 IndexRankings
Ranking Based On Selection :6
United States
Obadiah G Reid
Physical Chemistry
Materials Chemistry
Solar Energy Conversion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
51
0.927
* Total i10 IndexRankings
Ranking Based On Selection :7
United States
Bryon W Larson
Materials chemistry
Organic photovoltaics
Perovskites
Nanocarbon
Semiconductor spectroscopy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
49
0.891
* Total i10 IndexRankings
Ranking Based On Selection :8
United States
Ross E Larsen
physical chemistry
computational chemistry
organic photovoltaics
organic radical polymers
degradation and kinetic modeling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
29
0.527
* Total i10 IndexRankings
Ranking Based On Selection :9
United States
Earl Christensen
renewable fuels
analytical chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
48
0.941
* Total i10 IndexRankings
Ranking Based On Selection :10
United States
Daniel A Ruddy
inorganic materials chemistry
catalysis science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
44
0.917
* Total i10 IndexRankings
Ranking Based On Selection :11
United States
Matthew M Yung
Catalysis
biofuels
biogas
pyrolysis
process development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
36
0.783
* Total i10 IndexRankings
Ranking Based On Selection :12
United States
Teresa Alleman
Analytical chemistry
fuels
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
29
0.630
* Total i10 IndexRankings
Ranking Based On Selection :13
United States
Matthew A Ratcliff
Renewable liquid fuels
advanced combustion engines
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
29
0.659
* Total i10 IndexRankings
Ranking Based On Selection :15
United States
Lintao Bu
molecular simulation
computational chemistry
biofuels
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
29
0.806
* Total i10 IndexRankings
Ranking Based On Selection :16
United States
Yining Zeng
Renewable Energy
Physical Chemistry
Analytical Chemistry
Microscopy
Spectroscopy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
24
0.686
* Total i10 IndexRankings
Ranking Based On Selection :17
United States
Jesse Hensley
catalysis
carbon capture and utilization
recycling
separations
advanced material characterization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
24
0.750
* Total i10 IndexRankings
Ranking Based On Selection :18
United States
Anne Ware
biomass
renewable materials
bio-oil
lignin
analytical chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
29
0.967
* Total i10 IndexRankings
Ranking Based On Selection :19
United States
Frederick G Baddour
Inorganic Chemistry
Catalysis
Bioenergy
Thermochemical Conversion
Nanomaterials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
24
0.889
* Total i10 IndexRankings
Ranking Based On Selection :20
United States
Daniel Carpenter
Biomass
biofuels
thermochemical process development
molecular beam mass spectrometry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
* Total i10 IndexRankings
Ranking Based On Selection :21
United States
Kelsey J Ramirez
analytical chemistry
mass spectrometry
chromatography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
26
1.000
* Total i10 IndexRankings
Ranking Based On Selection :22
United States
Antonella Amore
Cellulase
Hemicellulases
Biofuels
Biorefinery
Green Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
* Total i10 IndexRankings
Ranking Based On Selection :24
United States
Nimal Naser
Engines
Combustion
Fuel chemistry
Chemical Kinetics
Energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
* Total i10 IndexRankings
Ranking Based On Selection :25
United States
Maxwell Schulze
Electrochemical Materials Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
15
0.789
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 1
Gregg T Beckham
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
271
268
0.989
Biochemicals
Biofuels
Green Chemistry
Lignin
Plastics Recycling
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 2
Thomas Gennett
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
49
0.527
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 3
Nathan R Neale
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
76
0.874
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 4
Edward Wolfrum
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
66
49
0.742
chemometrics
biomass analysis
applied statistics
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 5
David Robichaud
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
47
0.825
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 6
Obadiah G Reid
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
51
0.927
Physical Chemistry
Materials Chemistry
Solar Energy Conversion
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 7
Bryon W Larson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
49
0.891
Materials chemistry
Organic photovoltaics
Perovskites
Nanocarbon
Semiconductor spectroscopy
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 8
Ross E Larsen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
29
0.527
physical chemistry
computational chemistry
organic photovoltaics
organic radical polymers
degradation and kinetic modeling
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 9
Earl Christensen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
48
0.941
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 10
Daniel A Ruddy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
44
0.917
inorganic materials chemistry
catalysis science
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 11
Matthew M Yung
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
36
0.783
Catalysis
biofuels
biogas
pyrolysis
process development
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 12
Teresa Alleman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
29
0.630
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 13
Matthew A Ratcliff
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
29
0.659
Renewable liquid fuels
advanced combustion engines
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 14
William Michener
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
36
1.000
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 15
Lintao Bu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
29
0.806
molecular simulation
computational chemistry
biofuels
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 16
Yining Zeng
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
24
0.686
Renewable Energy
Physical Chemistry
Analytical Chemistry
Microscopy
Spectroscopy
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 17
Jesse Hensley
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
24
0.750
catalysis
carbon capture and utilization
recycling
separations
advanced material characterization
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 18
Anne Ware
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
29
0.967
biomass
renewable materials
bio-oil
lignin
analytical chemistry
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 19
Frederick G Baddour
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
24
0.889
Inorganic Chemistry
Catalysis
Bioenergy
Thermochemical Conversion
Nanomaterials
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 20
Daniel Carpenter
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
Biomass
biofuels
thermochemical process development
molecular beam mass spectrometry
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 21
Kelsey J Ramirez
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
26
1.000
analytical chemistry
mass spectrometry
chromatography
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 22
Antonella Amore
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
Cellulase
Hemicellulases
Biofuels
Biorefinery
Green Chemistry
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 23
Michael Griffin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
20
0.870
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 24
Nimal Naser
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
Engines
Combustion
Fuel chemistry
Chemical Kinetics
Energy
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 25
Maxwell Schulze
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
15
0.789