World's Best Scientists 2026 revealed!
Award Badge
Chemistry
Belgium
2025

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 66 7493 6795 93 88 331 11977

Koen Janssens publications per year

The chart shows the history of publications by Koen Janssens between 1986 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Koen Janssens published across 40 years, from 1986 to 2025, averaging 14.8 papers a year. Output peaked at 33 publications in 2013. 21 of the 591 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1986 to 2025. Vertical axis: number of publications, 0 to 33. Peak 33 publications in 2013. 1986: 3 publications 1987: 1 publication 1988: 4 publications 1989: 3 publications 1990: 3 publications 1991: 1 publication 1992: 3 publications 1993: 3 publications 1994: 5 publications 1995: 10 publications 1996: 14 publications 1997: 9 publications 1998: 9 publications 1999: 24 publications 2000: 23 publications 2001: 12 publications 2002: 15 publications 2003: 15 publications 2004: 24 publications 2005: 21 publications 2006: 17 publications 2007: 17 publications 2008: 24 publications 2009: 13 publications 2010: 19 publications 2011: 23 publications 2012: 10 publications 2013: 33 publications 2014: 19 publications 2015: 30 publications 2016: 21 publications 2017: 21 publications 2018: 28 publications 2019: 26 publications 2020: 23 publications 2021: 8 publications 2022: 12 publications 2023: 24 publications 2024: 9 publications 2025: 12 publications
1986 2025

591 publications in total across all disciplines

View publications per year as a table
Koen Janssens: publications per year, 1986 to 2025
Year Publications
1986 3
1987 1
1988 4
1989 3
1990 3
1991 1
1992 3
1993 3
1994 5
1995 10
1996 14
1997 9
1998 9
1999 24
2000 23
2001 12
2002 15
2003 15
2004 24
2005 21
2006 17
2007 17
2008 24
2009 13
2010 19
2011 23
2012 10
2013 33
2014 19
2015 30
2016 21
2017 21
2018 28
2019 26
2020 23
2021 8
2022 12
2023 24
2024 9
2025 12
Total 591
Download as CSV

Koen Janssens 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 Koen Janssens 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, 321–340 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: 331 publications — 69th percentile

69% 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
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643 331
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

Koen Janssens 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 Koen Janssens 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, 66–67 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: 66 D-Index — 60th percentile

60% 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
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 66
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

Research.com Recognitions

  • 2025 - Research.com Chemistry in Belgium Leader Award
  • 2022 - Research.com Chemistry in Belgium Leader Award

Overview

Koen Janssens is affiliated with the University of Antwerp in Belgium and specializes in research related to Arts and Humanities, with a focus on Cultural Heritage Materials Analysis. Their work spans multiple subfields including Archeology, Earth-Surface Processes, Conservation, Radiation, and Materials Chemistry.

Their research covers main topics such as:

  • Cultural Heritage Materials Analysis
  • Building materials and conservation
  • Conservation Techniques and Studies
  • X-ray Spectroscopy and Fluorescence Analysis
  • Pigment Synthesis and Properties
  • Radioactive element chemistry and processing
  • X-ray Diffraction in Crystallography

Koen Janssens has published extensively in several scientific venues. The most frequent venues for their work include:

  • Heritage Science
  • Science Advances
  • SSRN Electronic Journal
  • Acta Crystallographica Section A Foundations and Advances
  • Analytical Chemistry

Among their notable recent publications are:

  • Effect of ultra-fine fly ash on concrete performance and durability, 2020, Construction and Building Materials
  • Probing the chemistry of CdS paints in The Scream by in situ noninvasive spectroscopies and synchrotron radiation x-ray techniques, 2020, Science Advances
  • Characterization of polyvinyl alcohol-borax/agarose (PVA-B/AG) double network hydrogel utilized for the cleaning of works of art, 2020, Heritage Science
  • The "Historical Materials BAG": A New Facilitated Access to Synchrotron X-ray Diffraction Analyses for Cultural Heritage Materials at the European Synchrotron Radiation Facility, 2022, Molecules
  • Insights into the composition of ancient Egyptian red and black inks on papyri achieved by synchrotron-based microanalyses, 2020, Proceedings of the National Academy of Sciences

Collaboration is an important aspect of Janssens' research, often working alongside frequent co-authors such as:

  • Frederik Vanmeert
  • Geert Van der Snickt
  • Steven De Meyer
  • Marine Cotte
  • Arthur Gestels

Janssens' research frequently involves advanced analytical techniques such as X-ray spectroscopy, fluorescence analysis, and synchrotron-based methods. These approaches support investigations into material conservation, pigment properties, and the chemical composition of cultural heritage objects.

The body of work reflects a consistent engagement with interdisciplinary efforts connecting archeological science, conservation technology, and materials chemistry, aiming to enhance the understanding and preservation of historical materials.

Best Publications

  • Visualization of a lost painting by Vincent van Gogh using synchrotron radiation based X-ray fluorescence elemental mapping.

    Joris Dik;Koen Janssens;Geert Van Der Snickt;Luuk van der Loeff

  • Carbonates from the lower part of transition zone or even the lower mantle

    Frank E. Brenker;Christian Vollmer;Laszlo Vincze;Bart Vekemans

  • A mobile instrument for in situ scanning macro-XRF investigation of historical paintings

    Matthias Alfeld;Joana Vaz Pedroso;Margriet van Eikema Hommes;Geert Van der Snickt

  • AXIL-PC: software for the analysis of complex X-ray spectra

    P Van Espen;K Janssens;J Nobels

  • Elemental Compositions of Comet 81P/Wild 2 Samples Collected by Stardust

    George J. Flynn;Pierre Bleuet;Janet Borg;John P. Bradley

  • Characterization of a degraded cadmium yellow (CdS) pigment in an oil painting by means of synchrotron radiation based X-ray techniques.

    Geert Van der Snickt;Joris Dik;Marine Cotte;Koen Janssens

  • Strategies for processing mega-pixel X-ray fluorescence hyperspectral data: a case study on a version of Caravaggio's painting Supper at Emmaus

    Matthias Alfeld;Koen Janssens

  • The ID21 X-ray and infrared microscopy beamline at the ESRF: status and recent applications to artistic materials

    Marine Cotte;Marine Cotte;Emeline Pouyet;Murielle Salomé;Camille Rivard

  • Non-destructive Micro Analysis of Cultural Heritage Materials

    Koen H. A. Janssens;R. van Grieken

  • Combined use of Synchrotron Radiation Based Micro-X-ray Fluorescence, Micro-X-ray Diffraction, Micro-X-ray Absorption Near-Edge, and Micro-Fourier Transform Infrared Spectroscopies for Revealing an Alternative Degradation Pathway of the Pigment Cadmium Yellow in a Painting by Van Gogh

    Geert Van der Snickt;Koen Janssens;Joris Dik;Wout De Nolf

  • Synchrotron-based X-ray absorption spectroscopy for art conservation: looking back and looking forward.

    Marine Cotte;Jean Susini;Joris Dik;Koen Janssens

  • Degradation Process of Lead Chromate in Paintings by Vincent van Gogh Studied by Means of Synchrotron X-ray Spectromicroscopy and Related Methods. 1. Artificially Aged Model Samples

    Letizia Monico;Geert Van der Snickt;Koen Janssens;Wout De Nolf

  • Mitigation strategies for radiation damage in the analysis of ancient materials

    Loïc Bertrand;Sebastian Schöeder;Demetrios Anglos;Demetrios Anglos;Mark B.H. Breese

  • Photon-based techniques for nondestructive subsurface analysis of painted cultural heritage artifacts.

    Koen Janssens;Joris Dik;Marine Cotte;Jean Susini

  • Degradation Process of Lead Chromate in Paintings by Vincent van Gogh Studied by Means of Spectromicroscopic Methods. 3. Synthesis, Characterization, and Detection of Different Crystal Forms of the Chrome Yellow Pigment

    Letizia Monico;Koen Janssens;Costanza Miliani;Brunetto Giovanni Brunetti

  • Effect of ultra-fine fly ash on concrete performance and durability

    Patricia Kara De Maeijer;Bart Craeye;Ruben Snellings;Hadi Kazemi-Kamyab

  • Microscopic X-ray fluorescence analysis and related methods with laboratory and synchrotron radiation sources

    F. Adams;K. Janssens;A. Snigirev

  • Cultural heritage and archaeology materials studied by synchrotron spectroscopy and imaging

    Loïc Bertrand;Laurianne Robinet;Mathieu Thoury;Koen Janssens

  • Change in silica sources in Roman and post-Roman glass ☆

    A. Aerts;B. Velde;K. Janssens;W. Dijkman

  • High energy X-ray microscopy for characterisation of fuel particles

    B. Salbu;T. Krekling;O.C. Lind;D.H. Oughton

  • Confocal μ-XRF depth analysis of paint layers

    Ž. Šmit;Ž. Šmit;K. Janssens;K. Proost;I. Langus

Frequent Co-Authors

Marine Cotte
Marine Cotte European Synchrotron Radiation Facility
Freddy Adams
Freddy Adams University of Antwerp
Costanza Miliani
Costanza Miliani National Research Council (CNR)
Brit Salbu
Brit Salbu Norwegian University of Life Sciences
Melissa A. Denecke
Melissa A. Denecke University of Manchester
Herman Terryn
Herman Terryn Vrije Universiteit Brussel
Angelo Vaccari
Angelo Vaccari University of Bologna
Peter Cloetens
Peter Cloetens European Synchrotron Radiation Facility
Hugo Thienpont
Hugo Thienpont Vrije Universiteit Brussel
Frank E. Brenker
Frank E. Brenker Goethe University Frankfurt

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 the door to a variety of interdisciplinary career options, many of which intersect with fields like forensic science and criminal justice. For instance, careers in forensic science often require a strong chemistry background to analyze evidence and contribute to solving crimes. Understanding the educational pathways in these related fields can help students make informed decisions about their future.

Those interested in the legal side of science might explore how much is criminal justice school to plan their educational budget effectively. Online programs can offer flexible options, such as a 2 year criminal justice degree online, providing a quicker route to entering the workforce without compromising quality.

Additionally, pursuing degrees for paralegals can complement a chemistry education, especially for roles involving regulatory compliance and intellectual property. Together, these related online degrees and career pathways present diverse opportunities beyond traditional chemistry roles, allowing students to tailor their careers to their interests and strengths.

Exploring these options through reputable sources can help chemistry students find their niche while balancing cost, time, and career goals.

Learn more about careers in forensic science, how much is criminal justice school, the advantages of a 2 year criminal justice degree online, and the variety of degrees for paralegals.

Best Scientists Citing Koen Janssens

Trending Scientists

Recently Published Articles