Citation Rankings
Highly Cited Researchers
ASEAN Highly Cited Researchers CitationNatural Sciences / Chemical Sciences Rankings 2025
Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: 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
147,211
89,854
0.610
* 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
86,835
46,145
0.531
* 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
40,320
26,226
0.650
* 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
39,388
28,780
0.731
* 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
35,986
22,321
0.620
* 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
34,553
18,355
0.531
* Total Citation Counts Rankings
Ranking Based On Selection :7
carbon based materials
thin films
2D materials
carbon nanotubes
thermal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,810
11,554
0.388
* Total Citation Counts Rankings
Ranking Based On Selection :8
Applied Catalysis
Membranes
Carbon Capture & Utilization
Methane Conversion
H2 Production
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,637
18,795
0.634
* 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
29,197
15,036
0.515
* Total Citation Counts Rankings
Ranking Based On Selection :10
chemistry
food science and technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,472
11,364
0.414
* Total Citation Counts Rankings
Ranking Based On Selection :11
Analytical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,217
6,069
0.231
* Total Citation Counts Rankings
Ranking Based On Selection :12
Photocatalysis
Wastewater Treatment
Enviromental Remediation
Advanced Oxidation Process
Environmental Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,178
22,187
0.848
* Total Citation Counts Rankings
Ranking Based On Selection :13
Catalysis
Biomass Conversion
biofuels
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,236
17,083
0.705
* 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
23,343
13,866
0.594
* Total Citation Counts Rankings
Ranking Based On Selection :15
Photocatalysis
electrocatalysis
materials
energy
environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,053
11,978
0.520
* Total Citation Counts Rankings
Ranking Based On Selection :16
Analytical Chemistry
Environmental Chemistry
Food safety control
Environmental quality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,812
12,211
0.535
* Total Citation Counts Rankings
Ranking Based On Selection :17
polymer
coating
electrolyte
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,622
14,605
0.708
* Total Citation Counts Rankings
Ranking Based On Selection :18
molecular magnetism
ab initio calculations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,411
10,449
0.512
* Total Citation Counts Rankings
Ranking Based On Selection :19
Paper-based sensor
Electroanalytical chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,119
11,404
0.567
* 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
20,034
7,363
0.368
* 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
19,967
8,295
0.415
* 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
19,607
8,108
0.414
* Total Citation Counts Rankings
Ranking Based On Selection :23
Nanoplasmonics
Biophotonics
Nonlinear Spectroscopy
Optical Microscopy
Single Particle Spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,388
10,702
0.552
* Total Citation Counts Rankings
Ranking Based On Selection :24
Applied catalysis
reaction engineering
biomass conversion
CO2 utilization
hydrogen production
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,382
12,606
0.650
* Total Citation Counts Rankings
Ranking Based On Selection :25
Solid State Chemistry
Materials Characterisation
On-line Education
Ceramics
Minerals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,371
6,415
0.369
* Total Citation Counts Rankings
Rankings
1,406
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
147,211
89,854
0.610
molecular imaging
nanomedicine
drug and gene delivery
theranostics
radiopharmaceuticals
* Total Citation Counts Rankings
Rankings
3,877
14
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
86,835
46,145
0.531
graphene
2-D materials
surface science
covalent organic framewok
batteries
* Total Citation Counts Rankings
Rankings
13,607
74
33
Ranking Based On Selection: 3
Donglin Jiang
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,320
26,226
0.650
Covalent Organic Frameworks (COFs)
2D Polymers
Their Chemistry
Physics
and Materials
* Total Citation Counts Rankings
Rankings
14,132
79
28
Ranking Based On Selection: 4
Zhichuan J Xu
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,388
28,780
0.731
electrocatalysis
materials
catalysis
batteries
magnetic nanomaterials
* Total Citation Counts Rankings
Rankings
16,312
95
44
Ranking Based On Selection: 5
Wei Chen
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,986
22,321
0.620
Surface and Interface Science
2D Materials
Nanocatalysis
surface chemistry
* Total Citation Counts Rankings
Rankings
17,391
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
34,553
18,355
0.531
Analytical Chemistry
Food Chemistry
Phytochemistry
Functional Foods
* Total Citation Counts Rankings
Rankings
21,835
134
40
Ranking Based On Selection: 7
Beng Kang Tay
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,810
11,554
0.388
carbon based materials
thin films
2D materials
carbon nanotubes
thermal
* Total Citation Counts Rankings
Rankings
22,068
137
70
Ranking Based On Selection: 8
Sibudjing Kawi
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,637
18,795
0.634
Applied Catalysis
Membranes
Carbon Capture & Utilization
Methane Conversion
H2 Production
* Total Citation Counts Rankings
Rankings
22,607
140
72
Ranking Based On Selection: 9
Jianyong Ouyang
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,197
15,036
0.515
Polymer electronics
wearable electronics
energy conversion and storage
nanomaterials
polymers
* Total Citation Counts Rankings
Rankings
24,812
157
81
Ranking Based On Selection: 10
Dejian Huang
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,472
11,364
0.414
chemistry
food science and technology
* Total Citation Counts Rankings
Rankings
26,613
164
86
Ranking Based On Selection: 11
Hian Kee Lee
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,217
6,069
0.231
* Total Citation Counts Rankings
Rankings
26,667
165
50
Ranking Based On Selection: 12
Wang Hou 王侯
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,178
22,187
0.848
Photocatalysis
Wastewater Treatment
Enviromental Remediation
Advanced Oxidation Process
Environmental Engineering
* Total Citation Counts Rankings
Rankings
29,909
39
5
Ranking Based On Selection: 13
YH Taufiq Yap
Universiti Putra Malaysia
Seri Kembangan, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,236
17,083
0.705
Catalysis
Biomass Conversion
biofuels
* Total Citation Counts Rankings
Rankings
31,605
41
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
23,343
13,866
0.594
Fats and Oils Chemistry and Technology
Food Nanotechonlogy
Food Technology
* Total Citation Counts Rankings
Rankings
32,202
207
65
Ranking Based On Selection: 15
Rong Xu
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,053
11,978
0.520
Photocatalysis
electrocatalysis
materials
energy
environment
* Total Citation Counts Rankings
Rankings
32,669
14
2
Ranking Based On Selection: 16
Hung Viet Pham
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,812
12,211
0.535
Analytical Chemistry
Environmental Chemistry
Food safety control
Environmental quality
* Total Citation Counts Rankings
Rankings
37,642
57
8
Ranking Based On Selection: 17
Ramesh K
University of Malaya
Kuala Lumpur, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,622
14,605
0.708
* Total Citation Counts Rankings
Rankings
38,195
242
126
Ranking Based On Selection: 18
Liviu Ungur
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,411
10,449
0.512
molecular magnetism
ab initio calculations
* Total Citation Counts Rankings
Rankings
39,003
30
7
Ranking Based On Selection: 19
Orawon Chailapakul
Chulalongkorn University
Bangkok, Thailand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,119
11,404
0.567
Paper-based sensor
Electroanalytical chemistry
* Total Citation Counts Rankings
Rankings
39,232
249
129
Ranking Based On Selection: 20
Suresh Valiyaveettil
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,034
7,363
0.368
Material science
nanotoxicity
nanomaterials
conjugated polymers
biomineralization
* Total Citation Counts Rankings
Rankings
39,412
251
130
Ranking Based On Selection: 21
Zhiqiang Gao
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,967
8,295
0.415
Analytical Chemistry
Materials Science
Biosensors
Nanotechnology
* Total Citation Counts Rankings
Rankings
40,432
260
83
Ranking Based On Selection: 22
Mary Chan
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,607
8,108
0.414
polymers
bacteria
antibiofilm
catheter
wound dressing
* Total Citation Counts Rankings
Rankings
41,078
267
139
Ranking Based On Selection: 23
Qing Hua Xu
National University of Singapore
Queenstown, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,388
10,702
0.552
Nanoplasmonics
Biophotonics
Nonlinear Spectroscopy
Optical Microscopy
Single Particle Spectroscopy
* Total Citation Counts Rankings
Rankings
41,094
68
4
Ranking Based On Selection: 24
Nor Aishah Saidina Amin
Universiti Teknologi Malaysia
Johor Bahru, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,382
12,606
0.650
Applied catalysis
reaction engineering
biomass conversion
CO2 utilization
hydrogen production
* Total Citation Counts Rankings
Rankings
47,646
313
98
Ranking Based On Selection: 25
Tim White
Nanyang Technological University
Jurong West, Singapore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,371
6,415
0.369
Solid State Chemistry
Materials Characterisation
On-line Education
Ceramics
Minerals