Total 2,393,106 scientists, country 221, and institutions 24,447 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
adsorption
water purification
catalysis
electrochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
86
74
0.860
* Total i10 IndexRankings
Ranking Based On Selection: 2
Marketing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
44
0.564
* Total i10 IndexRankings
Ranking Based On Selection: 3
organic chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
55
0.859
* Total i10 IndexRankings
Ranking Based On Selection: 4
Tourism
Climate Change
Sustainable Development
tourism aviation
COVID-19
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
61
0.984
* Total i10 IndexRankings
Ranking Based On Selection: 5
Nanotechnology
Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
41
0.683
* Total i10 IndexRankings
Ranking Based On Selection: 6
Molecularly imprinted polymers
surface modification
biowaste
biochar
soil amelioration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
45
0.978
* Total i10 IndexRankings
Ranking Based On Selection: 7
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
36
0.837
* Total i10 IndexRankings
Ranking Based On Selection: 8
Recommender Systems
Image Processing
Data Mining
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
32
0.780
* Total i10 IndexRankings
Ranking Based On Selection: 9
Adsorption
nanofibers
Nanotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
29
0.935
* Total i10 IndexRankings
Ranking Based On Selection: 10
Applied sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
25
0.893
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* Total i10 IndexRankings
Ranking Based On Selection: 11
Chemistry
Analytical chemistry
material chemistry
environmental chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
* Total i10 IndexRankings
Ranking Based On Selection: 12
Supply Chain Management
Logistics
Human Resources Management
Operations Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
* Total i10 IndexRankings
Ranking Based On Selection: 13
Water Treatment
Phytochemistry
Membrane Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
* Total i10 IndexRankings
Ranking Based On Selection: 14
Metallurgical Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
* Total i10 IndexRankings
Ranking Based On Selection: 15
Wastewater treatment and Neural Network
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
* Total i10 IndexRankings
Ranking Based On Selection: 16
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
13
0.765
* Total i10 IndexRankings
Ranking Based On Selection: 17
Computational Fluid Dynamics
Heat and Mass Transfer
Mathematical Biology
Mathematics Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
12
0.706
* Total i10 IndexRankings
Ranking Based On Selection: 18
Wastewater Treatment
Anaerobic Digestion
Sludge Management
Non-sewered Sanitation
Water Reuse
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 19
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
* Total i10 IndexRankings
Ranking Based On Selection: 20
Fashion retailing
Online Consumer behaviour
Business Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
* Total i10 IndexRankings
Ranking Based On Selection: 21
Material science
adsorption
biomaterials
nanomaterials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 22
Organic Chemistry
Natural Product
Nanoscience
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
11
0.917
* Total i10 IndexRankings
Ranking Based On Selection: 23
Adsorption of metals and pharmaceutical pollutants
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 24
Adsorption
wastewater treatment
pyrolysis
environmental remediation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 25
Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
Augustine Ofomaja
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
86
74
0.860
adsorption
water purification
catalysis
electrochemistry
Manilall Dhurup
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
44
0.564
Fanyana Mtunzi
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
55
0.859
Kaitano Dube
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
61
0.984
Tourism
Climate Change
Sustainable Development
tourism aviation
COVID-19
Makwena Justice Moloto
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
41
0.683
Vusumzi Pakade
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
45
0.978
Molecularly imprinted polymers
surface modification
biowaste
biochar
soil amelioration
Chengedzai Mafini
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
36
0.837
Tranos Zuva
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
32
0.780
Recommender Systems
Image Processing
Data Mining
Ntaote David Shooto
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
29
0.935
Adsorption
nanofibers
Nanotechnology
Peter Osifo
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
25
0.893
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Isiaka A Lawal
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
Chemistry
Analytical chemistry
material chemistry
environmental chemistry
Elizabeth Chinomona
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
Supply Chain Management
Logistics
Human Resources Management
Operations Management
Sj Modise
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
Water Treatment
Phytochemistry
Membrane Technology
Otunniyi, Iyiola Olatunji
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
Metallurgical Engineering
John Kabuba
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
Wastewater treatment and Neural Network
Thokozani Xaba
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
13
0.765
Ramoshweu S Lebelo
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
12
0.706
Computational Fluid Dynamics
Heat and Mass Transfer
Mathematical Biology
Mathematics Education
Benton Otieno
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
Wastewater Treatment
Anaerobic Digestion
Sludge Management
Non-sewered Sanitation
Water Reuse
Tumisang Seodigeng
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
Nobukhosi Dlodlo
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
Fashion retailing
Online Consumer behaviour
Business Management
Agnes Pholosi
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
Material science
adsorption
biomaterials
nanomaterials
Oluwole Samuel Aremu
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
11
0.917
Organic Chemistry
Natural Product
Nanoscience
Patience Mapule Thabede
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
Adsorption of metals and pharmaceutical pollutants
Ephraim Igberase
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
Adsorption
wastewater treatment
pyrolysis
environmental remediation
Naser Aliye Feto
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800