Jahn, Ullrich
Institute of Organic Chemistry and Biochemistry of the Academy of Sciences of the Czech Republic,
Czechia
2025 Rank: 189,705
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 3,185 out of 179,164 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 189,705 | 171,748 |
| Total Cites | 1,672 | 2,103 |
| H-index | 22 | 26 |
| Hm-index | 15 | 16 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 264 | 297 |
| Number of Single+First Authored Papers | 27 | 27 |
| Total Cites to Single+First Authored Papers | 810 | 1,050 |
| Number of Single+First+Last Authored Papers | 75 | 75 |
| Total Cites to Single+First+Last Authored Papers | 1,506 | 1,893 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,300 | 1,487 |
| Ratio of Total Citations to Distinct Citing Papers | 1.29 | 1.41 |
| Self-Citation Percentage |
20.49%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 3,211 out of 170,049 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 188,083 | 165,791 |
| Total Cites | 1,563 | 1,979 |
| H-index | 21 | 25 |
| Hm-index | 14 | 16 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 259 | 292 |
| Number of Single+First Authored Papers | 28 | 28 |
| Total Cites to Single+First Authored Papers | 791 | 1,027 |
| Number of Single+First+Last Authored Papers | 75 | 75 |
| Total Cites to Single+First+Last Authored Papers | 1,406 | 1,784 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,200 | 1,375 |
| Ratio of Total Citations to Distinct Citing Papers | 1.30 | 1.44 |
| Self-Citation Percentage |
21.02%
|
|
Jahn, Ullrich
Institute of Organic Chemistry and Biochemistry of the Academy of Sciences of the Czech Republic,
Czechia
2023 Rank: 187,201
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 3,250 out of 161,671 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 187,201 | 161,585 |
| Total Cites | 1,426 | 1,830 |
| H-index | 21 | 25 |
| Hm-index | 13 | 15 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 251 | 284 |
| Number of Single+First Authored Papers | 28 | 28 |
| Total Cites to Single+First Authored Papers | 761 | 994 |
| Number of Single+First+Last Authored Papers | 75 | 75 |
| Total Cites to Single+First+Last Authored Papers | 1,286 | 1,656 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,105 | 1,271 |
| Ratio of Total Citations to Distinct Citing Papers | 1.29 | 1.44 |
| Self-Citation Percentage |
22.08%
|
|
Jahn, Ullrich
Institute of Organic Chemistry and Biochemistry of the Academy of Sciences of the Czech Republic,
Czechia
2022 Rank: 177,741
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 3,162 out of 154,108 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 177,741 | 160,061 |
| Total Cites | 1,292 | 1,680 |
| H-index | 21 | 24 |
| Hm-index | 13 | 15 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 232 | 265 |
| Number of Single+First Authored Papers | 27 | 27 |
| Total Cites to Single+First Authored Papers | 724 | 950 |
| Number of Single+First+Last Authored Papers | 72 | 72 |
| Total Cites to Single+First+Last Authored Papers | 1,166 | 1,523 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 997 | 1,153 |
| Ratio of Total Citations to Distinct Citing Papers | 1.30 | 1.46 |
| Self-Citation Percentage |
23.10%
|
|
Jahn, Ullrich
Institute of Organic Chemistry and Biochemistry of the Academy of Sciences of the Czech Republic,
Czechia
2021 Rank: 171,785
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Organic Chemistry
SubField 2:
General Chemistry
Rank in SubField 1: 2,998 out of 144,918 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 171,785 | 154,330 |
| Total Cites | 1,244 | 1,618 |
| H-index | 21 | 24 |
| Hm-index | 13 | 15 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 223 | 256 |
| Number of Single+First Authored Papers | 27 | 27 |
| Total Cites to Single+First Authored Papers | 708 | 932 |
| Number of Single+First+Last Authored Papers | 67 | 67 |
| Total Cites to Single+First+Last Authored Papers | 1,128 | 1,471 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 963 | 1,115 |
| Ratio of Total Citations to Distinct Citing Papers | 1.29 | 1.45 |
| Self-Citation Percentage |
23.11%
|
|
Related Profiles
Top 2% Scientists by Country
236,132 scientists from 167 countries on the 2025 single-year list.
Czech Republic538 scientists, 40th in the world
Featured Profiles
Partner with TOPSCINET
Reach science enthusiasts and researchers across the site. Write to business@topscinet.com and our marketing team will send a proposal built around your banner ad goals.