Total 2,424,675 scientists, country 221, and institutions 24,468 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Ajeet Rohatgi](https://cdn.adscientificindex.com/pictures/01/1409596.jpg)
Solar cells
Semiconductor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
329
70
0.213
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Juan Pablo Correa Baena](https://cdn.adscientificindex.com/pictures/f0/1384619.jpg)
Atomic Layer Deposition
Physical Vapor Deposition
Optoelectronics
Materials Characterization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
97
0.933
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Ajay Upadhyaya](/user/assets/images/profile/no-profile-photo.png)
Solar cells
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
17
0.459
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Kostiantyn Turcheniuk](https://cdn.adscientificindex.com/pictures/2b/1416146.jpg)
energy
sustainability
materials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
32
0.941
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Bopeng Zhang](https://cdn.adscientificindex.com/pictures/39/1410872.jpg)
Renewable energy
ion exchange membrane
electrochemistry
bioremediation
membrane technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
21
0.913
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Arkadeep Kumar](https://cdn.adscientificindex.com/pictures/55/1354685.jpg)
Semiconductors
Sustainability-renewable energy
water-energy
manufacturing
materials science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Kyungsun Ryu](/user/assets/images/profile/no-profile-photo.png)
Solar cell
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
4
0.308
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Jin Gi Hong](https://cdn.adscientificindex.com/pictures/cd/1346181.jpg)
Renewable Energy
Salinity Gradient Energy
Membrane Technology
Water and Wastewater Treatment Processes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Matthew Scott Rager](/user/assets/images/profile/no-profile-photo.png)
Perovskite Solar Cells
Flexible Electronics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Simin Jiang](https://cdn.adscientificindex.com/pictures/62/1384663.jpg)
Batteries & Electrocatalysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
Ajeet Rohatgi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
329
70
0.213
Solar cells
Semiconductor
Juan Pablo Correa Baena
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
97
0.933
Atomic Layer Deposition
Physical Vapor Deposition
Optoelectronics
Materials Characterization
Ajay Upadhyaya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
17
0.459
Kostiantyn Turcheniuk
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
32
0.941
energy
sustainability
materials
Bopeng Zhang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
21
0.913
Renewable energy
ion exchange membrane
electrochemistry
bioremediation
membrane technology
Arkadeep Kumar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
Semiconductors
Sustainability-renewable energy
water-energy
manufacturing
materials science
Kyungsun Ryu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
4
0.308
Jin Gi Hong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
Renewable Energy
Salinity Gradient Energy
Membrane Technology
Water and Wastewater Treatment Processes
Matthew Scott Rager
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
Perovskite Solar Cells
Flexible Electronics
Simin Jiang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
Batteries & Electrocatalysis