World's Best Scientists 2026 revealed!
Karl W. Törnroos

Karl W. Törnroos

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 46 16063 14493 45 36 239 7499

Karl W. Törnroos publications per year

The chart shows the history of publications by Karl W. Törnroos between 1987 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Karl W. Törnroos published across 39 years, from 1987 to 2025, averaging 6.9 papers a year. Output peaked at 22 publications in 2022. 10 of the 268 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1987 to 2025. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2022. 1987: 3 publications 1988: 5 publications 1989: 2 publications 1990: 1 publication 1991: 0 publications 1992: 0 publications 1993: 2 publications 1994: 2 publications 1995: 2 publications 1996: 3 publications 1997: 1 publication 1998: 0 publications 1999: 2 publications 2000: 6 publications 2001: 5 publications 2002: 5 publications 2003: 8 publications 2004: 7 publications 2005: 10 publications 2006: 15 publications 2007: 11 publications 2008: 14 publications 2009: 12 publications 2010: 10 publications 2011: 19 publications 2012: 18 publications 2013: 13 publications 2014: 9 publications 2015: 8 publications 2016: 6 publications 2017: 12 publications 2018: 4 publications 2019: 6 publications 2020: 7 publications 2021: 2 publications 2022: 22 publications 2023: 6 publications 2024: 8 publications 2025: 2 publications
1987 2025

268 publications in total across all disciplines

View publications per year as a table
Karl W. Törnroos: publications per year, 1987 to 2025
Year Publications
1987 3
1988 5
1989 2
1990 1
1991 0
1992 0
1993 2
1994 2
1995 2
1996 3
1997 1
1998 0
1999 2
2000 6
2001 5
2002 5
2003 8
2004 7
2005 10
2006 15
2007 11
2008 14
2009 12
2010 10
2011 19
2012 18
2013 13
2014 9
2015 8
2016 6
2017 12
2018 4
2019 6
2020 7
2021 2
2022 22
2023 6
2024 8
2025 2
Total 268
Download as CSV

Karl W. Törnroos publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Karl W. Törnroos sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 221–240 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 239 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216 239
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
Download as CSV

Karl W. Törnroos D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Karl W. Törnroos sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 46–47 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 46 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776 46
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
Download as CSV

Overview

Karl W. Törnroos is affiliated with the University of Bergen in Norway and has made notable contributions primarily in the field of Materials Science. Their research focuses extensively on Materials Chemistry, with additional work in Organic Chemistry, Physical and Theoretical Chemistry, Process Chemistry and Technology, and Electronic, Optical and Magnetic Materials.

The scientist's work encompasses a variety of topics, including:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Crystallography and Molecular Interactions
  • Synthetic Organic Chemistry Methods
  • Organometallic Complex Synthesis and Catalysis
  • Carbon Dioxide Utilization in Catalysis
  • N-Heterocyclic Carbenes in Organic and Inorganic Chemistry

Karl W. Törnroos has authored numerous papers with a significant presence in the Cambridge Structural Database, contributing 78 publications there. Other frequent publication venues include Organometallics with 5 papers, Chemistry - A European Journal with 2 papers, and two venues of Acta Crystallographica Sections A and B each hosting 2 of their publications.

Some recent papers demonstrate the scope of their research interests:

  • Open-Shell Early Lanthanide Terminal Imides, 2022, Journal of the American Chemical Society
  • Z-Selective Monothiolate Ruthenium Indenylidene Olefin Metathesis Catalysts, 2020, Organometallics
  • Bis(phenolate)-functionalized N-heterocyclic carbene complexes of oxo- and imido-vanadium(V), 2021, Inorganica Chimica Acta
  • Unsaturated and Benzannulated N-Heterocyclic Carbene Complexes of Titanium and Hafnium: Impact on Catalysts Structure and Performance in Copolymerization of Cyclohexene Oxide with CO2, 2020, Molecules
  • Synthesis and Reactivity of Cobalt(I) and Iridium(I) Complexes Bearing a Pentadentate N-Homoallyl-Substituted Bis(NHC) Pincer Ligand, 2020, Organometallics

Their collaborative work includes frequent co-authorship with several scientists, such as Cäcilia Maichle-Mößmer and Reiner Anwander, each with 55 joint publications. Other notable collaborators include Melanie Meermann-Zimmermann with 24 co-authored papers, Doris Kunz with 20, and Renita Thim-Spöring with 19 publications.

Best Publications

  • Ordering phenomena and phase transitions in a spin-crossover compound-uncovering the nature of the intermediate phase of [Fe(2-pic)3]Cl2.EtOH.

    Dmitry Chernyshov;Marc Hostettler;Karl W. Törnroos;Karl W. Törnroos;Hans-Beat Bürgi

  • Cationic Rare‐Earth‐Metal Half‐Sandwich Complexes for the Living trans‐1,4‐Isoprene Polymerization

    Melanie Zimmermann;Karl W. Törnroos;Reiner Anwander

  • Tetrahedral clusters of copper(II): Crystal structures and magnetic properties of Cu2Te2O5X2 (X = Cl, Br)

    M. Johnsson;K. W. Törnroos;and F. Mila;P. Millet

  • Homoleptic Rare‐Earth Metal(III) Tetramethylaluminates: Structural Chemistry, Reactivity, and Performance in Isoprene Polymerization

    Melanie Zimmermann;Nils Åge Frøystein;Andreas Fischbach;Peter Sirsch

  • Simple and Highly Z-Selective Ruthenium-Based Olefin Metathesis Catalyst

    Giovanni Occhipinti;Fredrik R. Hansen;Karl W. Törnroos;Vidar R. Jensen

  • Challenges in Engineering Spin Crossover: Structures and Magnetic Properties of Six Alcohol Solvates of Iron(II) Tris(2‐picolylamine) Dichloride

    Marc Hostettler;Karl W. Törnroos;Dmitry Chernyshov;Brita Vangdal

  • "Ionic carbenes": synthesis, structural characterization, and reactivity of rare-Earth metal methylidene complexes.

    H. Martin Dietrich;Karl W. Törnroos;Reiner Anwander

  • Rare‐Earth Metal Mixed Chloro/Methyl Compounds: Heterogeneous–Homogeneous Borderline Catalysts in 1,3‐Diene Polymerization

    Christian Meermann;Karl W. Törnroos;Willy Nerdal;Reiner Anwander

  • A rare-earth metal variant of the Tebbe reagent.

    Rannveig Litlabø;Melanie Zimmermann;Kuburat Saliu;Josef Takats

  • Multiple C-H Bond Activation in Group 3 Chemistry: Synthesis and Structural Characterization of an Yttrium-Aluminum-Methine Cluster

    H. Martin Dietrich;Hilde Grove;Karl W. Törnroos;Reiner Anwander

  • Crystal Structure and Magnetic Properties of a New Two-Dimensional S = 1 Quantum Spin System Ni5(TeO3)4X2 (X = Cl, Br)

    Mats Johnsson;Karl W. Törnroos;Peter Lemmens;Patrice Millet

  • Ln(III) methyl and methylidene complexes stabilized by a bulky hydrotris(pyrazolyl)borate ligand

    Melanie Zimmermann;Josef Takats;Gong Kiel;Karl W. Törnroos

  • Use of alpha-chlorinated N-(tert-butanesulfinyl)imines in the synthesis of chiral aziridines.

    Bram Denolf;Sven Mangelinckx;Karl W. Törnroos;Norbert De Kimpe

  • Interplay of Spin Conversion and Structural Phase Transformations: Re‐Entrant Phase Transitions in the 2‐Propanol Solvate of Tris(2‐picolylamine)iron(II) Dichloride

    Karl W. Törnroos;Marc Hostettler;Dmitry Chernyshov;Brita Vangdal

  • Loss and Reformation of Ruthenium Alkylidene: Connecting Olefin Metathesis, Catalyst Deactivation, Regeneration, and Isomerization

    Julien Engel;Wietse Smit;Marco Foscato;Giovanni Occhipinti

  • Syntheses, crystal structures and magnetic properties of copper(II) polynuclear and dinuclear compounds with 2,3-bis(2-pyridyl)pyrazine (dpp) and pseudohalide as ligands

    Hilde Grove;Miguel Julve;Francesc Lloret;Paul E. Kruger

  • Synthesis and stability of homoleptic metal(III) tetramethylaluminates.

    Giovanni Occhipinti;Christian Meermann;H. Martin Dietrich;Rannveig Litlabø

  • Organoaluminum Boryl Complexes

    Nicole Dettenrieder;H. Martin Dietrich;Christoph Schädle;Cäcilia Maichle‐Mössmer

  • Elusive trimethyllanthanum: snapshots of extensive methyl group degradation in la--Al heterobimetallic complexes.

    Laura C. H. Gerber;Erwan Le Roux;Karl W. Törnroos;Reiner Anwander

  • Single-crystal investigation of L-tryptophan with Z' = 16.

    Carl Henrik Görbitz;Karl Wilhelm Törnroos;Graeme M. Day

  • Alkyl Migration and an Unusual Tetramethylaluminate Coordination Mode: Unexpected Reactivity of Organolanthanide Imino–Amido–Pyridine Complexes

    Melanie Zimmermann;Karl W. Törnroos;Reiner Anwander

Frequent Co-Authors

Reiner Anwander
Reiner Anwander University of Tübingen
Norbert De Kimpe
Norbert De Kimpe Ghent University
Kazushi Mashima
Kazushi Mashima Osaka University
Gion Calzaferri
Gion Calzaferri University of Bern
Hayato Tsurugi
Hayato Tsurugi Osaka University
Eberhardt Herdtweck
Eberhardt Herdtweck Technical University of Munich
Mats Tilset
Mats Tilset University of Oslo
Wolfgang Scherer
Wolfgang Scherer Augsburg College
Bjørn Tore Gjertsen
Bjørn Tore Gjertsen Haukeland University Hospital

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens doors to a variety of online degrees and career paths that complement your core scientific skills. For those interested in supporting legal processes with scientific expertise, pursuing a paralegal certificate can provide valuable knowledge of the legal system and enhance job prospects in law firms or corporate environments.

In the pharmaceutical sector, Chemistry graduates might explore roles like pharmaceutical sales, a field where understanding chemistry is a strong asset. To evaluate this route, reviewing the typical drug rep salary is important before making career decisions.

For those aiming to become pharmacists, it is crucial to understand the investment involved. Detailed insight into how much does it cost to become a pharmacist can help students plan their education financing strategically.

Additionally, forensic science is a compelling option for Chemistry graduates. Careers such as a forensic autopsy technician blend scientific analysis with investigative work. Learning about the education requirements and job outlook for a forensic autopsy technician can provide a clear pathway into this niche field.

Best Scientists Citing Karl W. Törnroos

Trending Scientists

Recently Published Articles