Citation Rankings
Highly Cited Researchers
Natural Sciences / Chemical Sciences Highly Cited Researchers Citation Rankings (Sort by last 6 years Citation Index) 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.
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 1
atmospheric chemistry
source apportionment
mass spectrometry
aerosols
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,405
11,973
0.587
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 2
chemistry
catalysis
spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,055
6,572
0.654
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 3
atmospheric chemistry
aerosol
surface science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,924
5,764
0.414
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 4
Oil & Gas
Materials science
Heterogeneous catalysis
Spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,588
4,701
0.841
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 5
single site heterogeneous catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,254
4,555
0.728
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 6
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,852
4,410
0.644
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 7
chemicalkinetics
atmospheric chemistry
thermochemistry
free radicals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,420
3,712
0.213
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 8
physical chemistry
photoionization
mass spectrometry
reaction mechanisms
quantum chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,182
3,562
0.576
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 9
Heterogeneous catalysis
Reaction engineering
Operando spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,399
3,344
0.984
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 10
radiochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,749
3,138
0.837
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 11
Soil chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,712
2,646
0.304
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 12
Ambient Pressure X-Ray Photoelectron Spectroscopy
Catalysis
Interfaces
Surface Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,563
2,597
0.729
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 13
XAS
Total Scattering
heterogeneous catalysis
EXAFS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,098
2,084
0.993
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 14
X-ray absorption spectroscopy
pump-probe spectroscopy
photocatalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,173
2,082
0.499
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 15
Aerosol Chemistry
Mass Spectrometry
Physical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,635
1,489
0.911
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 16
atmospheric chemistry
secondary organic aerosol
mass spectrometry
source apportionment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,772
1,369
0.773
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 17
climate research
ice cores
analytical chemistry
radiocarbon dating
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,641
1,183
0.448
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 18
Physical Chemistry
Neutron scattering
biomembranes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,763
1,037
0.588
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 19
Physical chemistry
nonlinear spectroscopy
x-ray sciences
ultrafast spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,064
997
0.937
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 20
Environmental chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,556
992
0.638
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 21
Atmospheric Chemistry
Aerosol Chemistry
Secondary Organic Aerosol
Volatile Organic Compounds
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,089
980
0.900
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 22
Transactinide elements
Radiochemistry
Nuclear chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,399
833
0.595
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 23
Mass spectrometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,335
699
0.524
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 24
X-ray imaging
catalysis
battery
synchrotron characterization
chemical imaging
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
826
653
0.791
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 25
LFDFT
Spectroscopy
Theoretical chemistry
Computational chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
818
525
0.642
* Last 6 Years Citation Counts Rankings
Rankings
27,832
520
6
Ranking Based On Selection: 1
Jay G. Slowik
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,405
11,973
0.587
atmospheric chemistry
source apportionment
mass spectrometry
aerosols
* Last 6 Years Citation Counts Rankings
Rankings
65,983
1,187
19
Ranking Based On Selection: 2
Olga Safonova
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,055
6,572
0.654
* Last 6 Years Citation Counts Rankings
Rankings
78,487
1,386
27
Ranking Based On Selection: 3
Markus Ammann
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,924
5,764
0.414
atmospheric chemistry
aerosol
surface science
* Last 6 Years Citation Counts Rankings
Rankings
101,704
1,757
37
Ranking Based On Selection: 4
Vitaly Sushkevich
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,588
4,701
0.841
Oil & Gas
Materials science
Heterogeneous catalysis
Spectroscopy
* Last 6 Years Citation Counts Rankings
Rankings
105,792
1,819
40
Ranking Based On Selection: 5
Marco Ranocchiari
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,254
4,555
0.728
single site heterogeneous catalysis
* Last 6 Years Citation Counts Rankings
Rankings
110,082
1,886
43
Ranking Based On Selection: 6
Christopher R. Hoyle
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,852
4,410
0.644
* Last 6 Years Citation Counts Rankings
Rankings
135,098
2,219
53
Ranking Based On Selection: 7
Michel J. Rossi, Michael J. Rossi
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,420
3,712
0.213
chemicalkinetics
atmospheric chemistry
thermochemistry
free radicals
* Last 6 Years Citation Counts Rankings
Rankings
141,810
2,299
59
Ranking Based On Selection: 8
Andras Bodi
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,182
3,562
0.576
physical chemistry
photoionization
mass spectrometry
reaction mechanisms
quantum chemistry
* Last 6 Years Citation Counts Rankings
Rankings
152,617
2,439
66
Ranking Based On Selection: 9
Zihao Zhang
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,399
3,344
0.984
Heterogeneous catalysis
Reaction engineering
Operando spectroscopy
* Last 6 Years Citation Counts Rankings
Rankings
164,045
2,609
77
Ranking Based On Selection: 10
Nicholas P. Van Der Meulen
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,749
3,138
0.837
* Last 6 Years Citation Counts Rankings
Rankings
197,718
3,027
93
Ranking Based On Selection: 11
Bart Baeyens
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,712
2,646
0.304
* Last 6 Years Citation Counts Rankings
Rankings
201,766
3,088
95
Ranking Based On Selection: 12
Luca Artiglia
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,563
2,597
0.729
Ambient Pressure X-Ray Photoelectron Spectroscopy
Catalysis
Interfaces
Surface Chemistry
* Last 6 Years Citation Counts Rankings
Rankings
253,250
3,744
114
Ranking Based On Selection: 13
Adam H. Clark
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,098
2,084
0.993
XAS
Total Scattering
heterogeneous catalysis
EXAFS
* Last 6 Years Citation Counts Rankings
Rankings
253,415
3,749
115
Ranking Based On Selection: 14
Grigory Smolentsev
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,173
2,082
0.499
X-ray absorption spectroscopy
pump-probe spectroscopy
photocatalysis
* Last 6 Years Citation Counts Rankings
Rankings
346,915
4,884
157
Ranking Based On Selection: 15
David M Bell
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,635
1,489
0.911
Aerosol Chemistry
Mass Spectrometry
Physical Chemistry
* Last 6 Years Citation Counts Rankings
Rankings
373,085
5,172
172
Ranking Based On Selection: 16
Tianqu Cui
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,772
1,369
0.773
atmospheric chemistry
secondary organic aerosol
mass spectrometry
source apportionment
* Last 6 Years Citation Counts Rankings
Rankings
420,240
5,684
195
Ranking Based On Selection: 17
Theo Jenk
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,641
1,183
0.448
climate research
ice cores
analytical chemistry
radiocarbon dating
* Last 6 Years Citation Counts Rankings
Rankings
465,215
6,164
217
Ranking Based On Selection: 18
Alessandra Luchini
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,763
1,037
0.588
Physical Chemistry
Neutron scattering
biomembranes
* Last 6 Years Citation Counts Rankings
Rankings
478,946
6,313
222
Ranking Based On Selection: 19
Andre Al Haddad
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,064
997
0.937
Physical chemistry
nonlinear spectroscopy
x-ray sciences
ultrafast spectroscopy
* Last 6 Years Citation Counts Rankings
Rankings
480,491
6,328
224
Ranking Based On Selection: 20
Maria Marques Fernandes
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,556
992
0.638
* Last 6 Years Citation Counts Rankings
Rankings
484,860
6,370
227
Ranking Based On Selection: 21
Kun Li|李坤
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,089
980
0.900
Atmospheric Chemistry
Aerosol Chemistry
Secondary Organic Aerosol
Volatile Organic Compounds
* Last 6 Years Citation Counts Rankings
Rankings
542,730
6,919
247
Ranking Based On Selection: 22
Patrick Steinegger
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,399
833
0.595
Transactinide elements
Radiochemistry
Nuclear chemistry
* Last 6 Years Citation Counts Rankings
Rankings
606,272
7,558
269
Ranking Based On Selection: 23
Saša Bjelić
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,335
699
0.524
* Last 6 Years Citation Counts Rankings
Rankings
631,153
7,773
274
Ranking Based On Selection: 24
Chayene Gonçalves Anchieta
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
826
653
0.791
X-ray imaging
catalysis
battery
synchrotron characterization
chemical imaging
* Last 6 Years Citation Counts Rankings
Rankings
711,744
8,464
297
Ranking Based On Selection: 25
Harry Ramanantoanina
Paul Scherrer Institute
Villigen, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
818
525
0.642
LFDFT
Spectroscopy
Theoretical chemistry
Computational chemistry