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Year
O’Brien, Peter

O’Brien, Peter

University of York, United Kingdom

2026 Rank: 62,657

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Chemistry

SubField 1:

Organic Chemistry

SubField 2:

General Chemistry

Rank in SubField 1: 1,135 out of 188,664 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score62,65758,419
Total Cites6,0077,194
H-index4148
Hm-index2224
Number of Single Authored Papers55
Total Cites to Single Authored Papers783826
Number of Single+First Authored Papers3232
Total Cites to Single+First Authored Papers1,4291,627
Number of Single+First+Last Authored Papers6464
Total Cites to Single+First+Last Authored Papers2,3362,750
Composite Score33
Number of Distinct Citing Papers4,1644,467
Ratio of Total Citations to Distinct Citing Papers 1.44 1.61
Self-Citation Percentage
16.50%
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O’Brien, Peter

O’Brien, Peter

University of York, United Kingdom

2025 Rank: 58,028

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Chemistry

SubField 1:

Organic Chemistry

SubField 2:

General Chemistry

Rank in SubField 1: 1,066 out of 179,164 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score58,02854,966
Total Cites5,7296,886
H-index4147
Hm-index2224
Number of Single Authored Papers55
Total Cites to Single Authored Papers769812
Number of Single+First Authored Papers3232
Total Cites to Single+First Authored Papers1,4121,610
Number of Single+First+Last Authored Papers6161
Total Cites to Single+First+Last Authored Papers2,2702,676
Composite Score33
Number of Distinct Citing Papers3,9324,222
Ratio of Total Citations to Distinct Citing Papers 1.46 1.63
Self-Citation Percentage
16.80%
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