Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.
* Total H Index Rankings
Rankings
Ranking Based On Selection:
1
Engineering & Technology / Chemical Engineering
Nanomaterials Chemistry | Functional metal nanoparticles and nanoclusters - Synthesis and application
Nanomaterials Chemistry | Functional metal nanoparticles and nanoclusters - Synthesis and application
H-Index Metrics
-
Total56
-
Last 5 Years46
-
Last 5 Years / Total0.821
* Total H Index Rankings
Rankings
Ranking Based On Selection:
2
Engineering & Technology / Chemical Engineering
Nanomaterials | Surface chemistry | Separation | Water remediation | Catalysis and Renewable energ
Nanomaterials | Surface chemistry | Separation | Water remediation | Catalysis and Renewable energ
H-Index Metrics
-
Total43
-
Last 5 Years41
-
Last 5 Years / Total0.953
* Total H Index Rankings
Rankings
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
Ranking Based On Selection:
4
Engineering & Technology / Chemical Engineering
Wastewater treatment | Bioreactor operation | Partial nitritation and Anammox processe
Wastewater treatment | Bioreactor operation | Partial nitritation and Anammox processe
H-Index Metrics
-
Total36
-
Last 5 Years27
-
Last 5 Years / Total0.750
* Total H Index Rankings
Rankings
Ranking Based On Selection:
5
Engineering & Technology / Chemical Engineering
Chemical Engineering | Membrane separation | modeling and simulation | CF
Chemical Engineering | Membrane separation | modeling and simulation | CF
H-Index Metrics
-
Total35
-
Last 5 Years33
-
Last 5 Years / Total0.943
* Total H Index Rankings
Rankings
Ranking Based On Selection:
6
Engineering & Technology / Chemical Engineering
Advanced Process Control | Fault Detection and Diagnosis | Machine Learning | Renewable Energie
Advanced Process Control | Fault Detection and Diagnosis | Machine Learning | Renewable Energie
H-Index Metrics
-
Total33
-
Last 5 Years33
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
7
Engineering & Technology / Chemical Engineering
Chemical Engineering/Membrane/Desalination/Polymers/Water Purification/Reverse Osmosis/Pervaporation/Gas Separation Membrane
Chemical Engineering/Membrane/Desalination/Polymers/Water Purification/Reverse Osmosis/Pervaporation/Gas Separation Membrane
H-Index Metrics
-
Total33
-
Last 5 Years27
-
Last 5 Years / Total0.818
* Total H Index Rankings
Rankings
Ranking Based On Selection:
8
Engineering & Technology / Chemical Engineering
Sodium ion batteries | Energy storage materials | Transition metal chalcogenide
Sodium ion batteries | Energy storage materials | Transition metal chalcogenide
H-Index Metrics
-
Total32
-
Last 5 Years32
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
9
Engineering & Technology / Chemical Engineering
Petroleum desulfurization | Catalytic Cracking | Plastic conversion | Coal processing | Material
Petroleum desulfurization | Catalytic Cracking | Plastic conversion | Coal processing | Material
H-Index Metrics
-
Total29
-
Last 5 Years27
-
Last 5 Years / Total0.931
* Total H Index Rankings
Rankings
Ranking Based On Selection:
10
Engineering & Technology / Chemical Engineering
Chemical Engineering | Energy | Environment | Engineering Educatio
Chemical Engineering | Energy | Environment | Engineering Educatio
H-Index Metrics
-
Total28
-
Last 5 Years26
-
Last 5 Years / Total0.929
* Total H Index Rankings
Rankings
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
Ranking Based On Selection:
12
Engineering & Technology / Chemical Engineering
Photo/electrocatalysis | water splitting | Nanomaterials | Energy Conversion/storag
Photo/electrocatalysis | water splitting | Nanomaterials | Energy Conversion/storag
H-Index Metrics
-
Total25
-
Last 5 Years24
-
Last 5 Years / Total0.960
* Total H Index Rankings
Rankings
Ranking Based On Selection:
13
Engineering & Technology / Chemical Engineering
Water and Wastewater treatment | Adsorption | Electrochemical Regeneration | Water desalination | Electrocoagulatio
Water and Wastewater treatment | Adsorption | Electrochemical Regeneration | Water desalination | Electrocoagulatio
H-Index Metrics
-
Total25
-
Last 5 Years19
-
Last 5 Years / Total0.760
* Total H Index Rankings
Rankings
Ranking Based On Selection:
14
Engineering & Technology / Chemical Engineering
Heterogeneous Catalysis | Water Treatment | Contaminant Transportatio
Heterogeneous Catalysis | Water Treatment | Contaminant Transportatio
H-Index Metrics
-
Total24
-
Last 5 Years23
-
Last 5 Years / Total0.958
* Total H Index Rankings
Rankings
Ranking Based On Selection:
15
Engineering & Technology / Chemical Engineering
Environmental Remediation by Adsorption | Photo-catalysis | Energy From Biomas
Environmental Remediation by Adsorption | Photo-catalysis | Energy From Biomas
H-Index Metrics
-
Total23
-
Last 5 Years21
-
Last 5 Years / Total0.913
* Total H Index Rankings
Rankings
Ranking Based On Selection:
16
Engineering & Technology / Chemical Engineering
Adsorption | Regeneration processes | Waste water treatment | Synthesis of membrane for waste water and gas cleaning processe
Adsorption | Regeneration processes | Waste water treatment | Synthesis of membrane for waste water and gas cleaning processe
H-Index Metrics
-
Total23
-
Last 5 Years18
-
Last 5 Years / Total0.783
* Total H Index Rankings
Rankings
Ranking Based On Selection:
17
Engineering & Technology / Chemical Engineering
Transition Metal Oxides Synthesis | Energy Conversion and Storag
Transition Metal Oxides Synthesis | Energy Conversion and Storag
H-Index Metrics
-
Total21
-
Last 5 Years21
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
18
Engineering & Technology / Chemical Engineering
Computational Fluid Dynamics | Reaction kinetics | Pyrolysis | Vacuum Gas Carburizin
Computational Fluid Dynamics | Reaction kinetics | Pyrolysis | Vacuum Gas Carburizin
H-Index Metrics
-
Total21
-
Last 5 Years18
-
Last 5 Years / Total0.857
* Total H Index Rankings
Rankings
Ranking Based On Selection:
19
Engineering & Technology / Chemical Engineering
Analytical Chemistry | Environmental Analytical Techniques | Ionic Liquids | Graphene and Derivatives
Analytical Chemistry | Environmental Analytical Techniques | Ionic Liquids | Graphene and Derivatives
H-Index Metrics
-
Total21
-
Last 5 Years16
-
Last 5 Years / Total0.762
* Total H Index Rankings
Rankings
Ranking Based On Selection:
20
Engineering & Technology / Chemical Engineering
Water and wastewater treatment | Nano-particle removal | Heavy metal Pollution | Water Resourc
Water and wastewater treatment | Nano-particle removal | Heavy metal Pollution | Water Resourc
H-Index Metrics
-
Total20
-
Last 5 Years20
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
21
Engineering & Technology / Chemical Engineering
Thin Film & devices | Semiconductor | Catalysis | Piezoelectric | Energ
Thin Film & devices | Semiconductor | Catalysis | Piezoelectric | Energ
H-Index Metrics
-
Total20
-
Last 5 Years19
-
Last 5 Years / Total0.950
* Total H Index Rankings
Rankings
Ranking Based On Selection:
22
Engineering & Technology / Chemical Engineering
Advance Separation Technologies | CCU | Green Materials (ILs | MOFs) | Process Design and Simulatio
Advance Separation Technologies | CCU | Green Materials (ILs | MOFs) | Process Design and Simulatio
H-Index Metrics
-
Total20
-
Last 5 Years17
-
Last 5 Years / Total0.850
* Total H Index Rankings
Rankings
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
Ranking Based On Selection:
24
Engineering & Technology / Chemical Engineering
Image processing | Machine Learning | Information Retrieva
Image processing | Machine Learning | Information Retrieva
H-Index Metrics
-
Total19
-
Last 5 Years18
-
Last 5 Years / Total0.947
* Total H Index Rankings
Rankings
Ranking Based On Selection:
25
Engineering & Technology / Chemical Engineering
Chemical Engineering | CO2 Utilisation | Process Intensification | Sustainable Polymers | NT
Chemical Engineering | CO2 Utilisation | Process Intensification | Sustainable Polymers | NT
H-Index Metrics
-
Total19
-
Last 5 Years18
-
Last 5 Years / Total0.947
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