Citation Rankings
Highly Cited Researchers
ASEAN Highly Cited Researchers CitationNatural Sciences / Chemical Sciences Rankings 2025
The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection :1
molecular imaging
nanomedicine
drug and gene delivery
theranostics
radiopharmaceuticals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
151,308
93,744
0.620
* Total Citation Counts Rankings
Ranking Based On Selection :2
graphene
2-D materials
surface science
covalent organic framewok
batteries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,841
48,058
0.541
* Total Citation Counts Rankings
Ranking Based On Selection :3
Covalent Organic Frameworks (COFs)
2D Polymers
Their Chemistry
Physics
and Materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,650
27,606
0.663
* Total Citation Counts Rankings
Ranking Based On Selection :4
electrocatalysis
materials
catalysis
batteries
magnetic nanomaterials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,175
30,552
0.742
* Total Citation Counts Rankings
Ranking Based On Selection :5
Surface and Interface Science
2D Materials
Nanocatalysis
surface chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,042
23,355
0.631
* Total Citation Counts Rankings
Ranking Based On Selection :6
Analytical Chemistry
Food Chemistry
Phytochemistry
Functional Foods
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,501
19,199
0.541
* Total Citation Counts Rankings
Ranking Based On Selection :7
Applied Catalysis
Membranes
Carbon Capture & Utilization
Methane Conversion
H2 Production
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,657
19,802
0.646
* Total Citation Counts Rankings
Ranking Based On Selection :8
carbon based materials
thin films
2D materials
carbon nanotubes
thermal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,190
11,920
0.395
* Total Citation Counts Rankings
Ranking Based On Selection :9
Polymer electronics
wearable electronics
energy conversion and storage
nanomaterials
polymers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,854
15,673
0.525
* Total Citation Counts Rankings
Ranking Based On Selection :10
chemistry
food science and technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,950
11,816
0.423
* Total Citation Counts Rankings
Ranking Based On Selection :11
Photocatalysis
Wastewater Treatment
Enviromental Remediation
Advanced Oxidation Process
Environmental Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,237
23,187
0.851
* Total Citation Counts Rankings
Ranking Based On Selection :12
Analytical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,504
6,340
0.239
* Total Citation Counts Rankings
Ranking Based On Selection :13
Catalysis
Biomass Conversion
biofuels
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,204
17,996
0.714
* Total Citation Counts Rankings
Ranking Based On Selection :14
Fats and Oils Chemistry and Technology
Food Nanotechonlogy
Food Technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,034
14,523
0.604
* Total Citation Counts Rankings
Ranking Based On Selection :15
Analytical Chemistry
Environmental Chemistry
Food safety control
Environmental quality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,547
12,918
0.549
* Total Citation Counts Rankings
Ranking Based On Selection :16
Photocatalysis
electrocatalysis
materials
energy
environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,452
12,356
0.527
* Total Citation Counts Rankings
Ranking Based On Selection :17
polymer
coating
electrolyte
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,538
15,501
0.720
* Total Citation Counts Rankings
Ranking Based On Selection :18
molecular magnetism
ab initio calculations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,845
10,886
0.522
* Total Citation Counts Rankings
Ranking Based On Selection :19
Paper-based sensor
Electroanalytical chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,638
11,901
0.577
* Total Citation Counts Rankings
Ranking Based On Selection :20
Material science
nanotoxicity
nanomaterials
conjugated polymers
biomineralization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,370
7,686
0.377
* Total Citation Counts Rankings
Ranking Based On Selection :21
Analytical Chemistry
Materials Science
Biosensors
Nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,278
8,589
0.424
* Total Citation Counts Rankings
Ranking Based On Selection :22
polymers
bacteria
antibiofilm
catheter
wound dressing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,907
8,397
0.422
* Total Citation Counts Rankings
Ranking Based On Selection :23
Applied catalysis
reaction engineering
biomass conversion
CO2 utilization
hydrogen production
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,877
13,076
0.658
* Total Citation Counts Rankings
Ranking Based On Selection :24
Nanoplasmonics
Biophotonics
Nonlinear Spectroscopy
Optical Microscopy
Single Particle Spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,783
11,092
0.561
* Total Citation Counts Rankings
Ranking Based On Selection :25
Anti-aging and anti-neurodegeneration: Mechanisms of medicinal plant extracts and natural products
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,635
9,675
0.549
* Total Citation Counts Rankings
Rankings
1,397
6
4
Ranking Based On Selection: 1
Xiaoyuan Shawn Chen
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
151,308
93,744
0.620
molecular imaging
nanomedicine
drug and gene delivery
theranostics
radiopharmaceuticals
* Total Citation Counts Rankings
Rankings
3,901
15
7
Ranking Based On Selection: 2
Kian Ping Loh
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,841
48,058
0.541
graphene
2-D materials
surface science
covalent organic framewok
batteries
* Total Citation Counts Rankings
Rankings
13,393
75
33
Ranking Based On Selection: 3
Donglin Jiang
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,650
27,606
0.663
Covalent Organic Frameworks (COFs)
2D Polymers
Their Chemistry
Physics
and Materials
* Total Citation Counts Rankings
Rankings
13,625
77
26
Ranking Based On Selection: 4
Zhichuan J Xu
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,175
30,552
0.742
electrocatalysis
materials
catalysis
batteries
magnetic nanomaterials
* Total Citation Counts Rankings
Rankings
16,142
95
43
Ranking Based On Selection: 5
Wei Chen
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,042
23,355
0.631
Surface and Interface Science
2D Materials
Nanocatalysis
surface chemistry
* Total Citation Counts Rankings
Rankings
17,234
21
3
Ranking Based On Selection: 6
Farooq Anwar
Universiti Putra Malaysia
Seri Kembangan, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,501
19,199
0.541
Analytical Chemistry
Food Chemistry
Phytochemistry
Functional Foods
* Total Citation Counts Rankings
Rankings
21,616
133
67
Ranking Based On Selection: 7
Sibudjing Kawi
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,657
19,802
0.646
Applied Catalysis
Membranes
Carbon Capture & Utilization
Methane Conversion
H2 Production
* Total Citation Counts Rankings
Rankings
22,143
136
42
Ranking Based On Selection: 8
Beng Kang Tay
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,190
11,920
0.395
carbon based materials
thin films
2D materials
carbon nanotubes
thermal
* Total Citation Counts Rankings
Rankings
22,594
141
72
Ranking Based On Selection: 9
Jianyong Ouyang
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,854
15,673
0.525
Polymer electronics
wearable electronics
energy conversion and storage
nanomaterials
polymers
* Total Citation Counts Rankings
Rankings
24,982
156
80
Ranking Based On Selection: 10
Dejian Huang
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,950
11,816
0.423
chemistry
food science and technology
* Total Citation Counts Rankings
Rankings
25,925
162
50
Ranking Based On Selection: 11
Wang Hou 王侯
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,237
23,187
0.851
Photocatalysis
Wastewater Treatment
Enviromental Remediation
Advanced Oxidation Process
Environmental Engineering
* Total Citation Counts Rankings
Rankings
27,024
169
87
Ranking Based On Selection: 12
Hian Kee Lee
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,504
6,340
0.239
* Total Citation Counts Rankings
Rankings
29,153
41
6
Ranking Based On Selection: 13
YH Taufiq Yap
Universiti Putra Malaysia
Seri Kembangan, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,204
17,996
0.714
Catalysis
Biomass Conversion
biofuels
* Total Citation Counts Rankings
Rankings
31,306
43
7
Ranking Based On Selection: 14
Chin Ping Tan
Universiti Putra Malaysia
Seri Kembangan, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,034
14,523
0.604
Fats and Oils Chemistry and Technology
Food Nanotechonlogy
Food Technology
* Total Citation Counts Rankings
Rankings
32,228
13
2
Ranking Based On Selection: 15
Hung Viet Pham
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,547
12,918
0.549
Analytical Chemistry
Environmental Chemistry
Food safety control
Environmental quality
* Total Citation Counts Rankings
Rankings
32,431
208
67
Ranking Based On Selection: 16
Rong Xu
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,452
12,356
0.527
Photocatalysis
electrocatalysis
materials
energy
environment
* Total Citation Counts Rankings
Rankings
36,540
54
8
Ranking Based On Selection: 17
Ramesh K
University of Malaya
Kuala Lumpur, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,538
15,501
0.720
* Total Citation Counts Rankings
Rankings
38,279
243
125
Ranking Based On Selection: 18
Liviu Ungur
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,845
10,886
0.522
molecular magnetism
ab initio calculations
* Total Citation Counts Rankings
Rankings
38,825
30
7
Ranking Based On Selection: 19
Orawon Chailapakul
Chulalongkorn University
Bangkok, Thailand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,638
11,901
0.577
Paper-based sensor
Electroanalytical chemistry
* Total Citation Counts Rankings
Rankings
39,559
251
129
Ranking Based On Selection: 20
Suresh Valiyaveettil
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,370
7,686
0.377
Material science
nanotoxicity
nanomaterials
conjugated polymers
biomineralization
* Total Citation Counts Rankings
Rankings
39,805
257
133
Ranking Based On Selection: 21
Zhiqiang Gao
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,278
8,589
0.424
Analytical Chemistry
Materials Science
Biosensors
Nanotechnology
* Total Citation Counts Rankings
Rankings
40,833
264
84
Ranking Based On Selection: 22
Mary Chan
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,907
8,397
0.422
polymers
bacteria
antibiofilm
catheter
wound dressing
* Total Citation Counts Rankings
Rankings
40,924
72
5
Ranking Based On Selection: 23
Nor Aishah Saidina Amin
Universiti Teknologi Malaysia
Johor Bahru, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,877
13,076
0.658
Applied catalysis
reaction engineering
biomass conversion
CO2 utilization
hydrogen production
* Total Citation Counts Rankings
Rankings
41,177
267
138
Ranking Based On Selection: 24
Qing Hua Xu
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,783
11,092
0.561
Nanoplasmonics
Biophotonics
Nonlinear Spectroscopy
Optical Microscopy
Single Particle Spectroscopy
* Total Citation Counts Rankings
Rankings
48,172
38
9
Ranking Based On Selection: 25
Tewin Tencomnao
Chulalongkorn University
Bangkok, Thailand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,635
9,675
0.549
Anti-aging and anti-neurodegeneration: Mechanisms of medicinal plant extracts and natural products