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Johan Hofkens

Johan Hofkens

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Chemistry
Belgium
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 114 681 600 10 10 717 40785

Johan Hofkens publications per year

The chart shows the history of publications by Johan Hofkens between 1970 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Johan Hofkens published across 57 years, from 1970 to 2026, averaging 16.1 papers a year. Output peaked at 57 publications in 2014. 51 of the 916 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1970 to 2026. Vertical axis: number of publications, 0 to 57. Peak 57 publications in 2014. 1970: 1 publication 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 2 publications 1990: 0 publications 1991: 3 publications 1992: 0 publications 1993: 0 publications 1994: 1 publication 1995: 1 publication 1996: 1 publication 1997: 4 publications 1998: 2 publications 1999: 12 publications 2000: 6 publications 2001: 25 publications 2002: 13 publications 2003: 8 publications 2004: 16 publications 2005: 22 publications 2006: 20 publications 2007: 38 publications 2008: 44 publications 2009: 33 publications 2010: 36 publications 2011: 50 publications 2012: 32 publications 2013: 38 publications 2014: 57 publications 2015: 36 publications 2016: 36 publications 2017: 27 publications 2018: 38 publications 2019: 27 publications 2020: 55 publications 2021: 48 publications 2022: 38 publications 2023: 52 publications 2024: 43 publications 2025: 45 publications 2026: 6 publications
1970 2026

916 publications in total across all disciplines

View publications per year as a table
Johan Hofkens: publications per year, 1970 to 2026
Year Publications
1970 1
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 2
1990 0
1991 3
1992 0
1993 0
1994 1
1995 1
1996 1
1997 4
1998 2
1999 12
2000 6
2001 25
2002 13
2003 8
2004 16
2005 22
2006 20
2007 38
2008 44
2009 33
2010 36
2011 50
2012 32
2013 38
2014 57
2015 36
2016 36
2017 27
2018 38
2019 27
2020 55
2021 48
2022 38
2023 52
2024 43
2025 45
2026 6
Total 916
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Johan Hofkens 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 Johan Hofkens 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, 701–720 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: 717 publications — 96th percentile

96% 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
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 57 717
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
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Johan Hofkens 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 Johan Hofkens 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, 114–115 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: 114 D-Index — 96th percentile

96% 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
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 79 114
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
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Research.com Recognitions

  • 2026 - Research.com Chemistry in Belgium Leader Award
  • 2025 - Research.com Chemistry in Belgium Leader Award
  • 2022 - Research.com Chemistry in Belgium Leader Award
  • 2019 - Member of Academia Europaea
  • 2017 - Member of the European Academy of Sciences

Overview

Johan Hofkens is affiliated with KU Leuven in Belgium and has contributed extensively to the fields of Engineering and Materials Science. Their research output spans a variety of subfields, notably Materials Chemistry, Electrical and Electronic Engineering, Molecular Biology, Biomedical Engineering, and Renewable Energy, Sustainability and the Environment.

The scientist's work covers several key topics, including:

  • Perovskite Materials and Applications
  • Advanced Photocatalysis Techniques
  • Quantum Dots Synthesis And Properties
  • Chalcogenide Semiconductor Thin Films
  • Advanced Fluorescence Microscopy Techniques
  • Solid-state Spectroscopy and Crystallography
  • Orbital Angular Momentum in Optics

Johan Hofkens has collaborated frequently with several co-authors, including:

  • Maarten B. J. Roeffaers
  • Feili Lai
  • Elke Debroye
  • Julian A. Steele
  • Susana Rocha

The scientist has published in multiple research venues with a focus on materials and physical chemistry. Frequent publication venues include:

  • Advanced Optical Materials
  • The Journal of Physical Chemistry C
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Advanced Materials
  • ACS Nano

Among recent papers authored or co-authored by Johan Hofkens are:

  • State of the Art and Prospects for Halide Perovskite Nanocrystals, 2021, ACS Nano
  • Tuning the Structural and Optoelectronic Properties of Cs2AgBiBr6 Double-Perovskite Single Crystals through Alkali-Metal Substitution, 2020, Advanced Materials
  • Solar-Driven Metal Halide Perovskite Photocatalysis: Design, Stability, and Performance, 2020, ACS Energy Letters
  • Direct Z-Scheme Heterojunction of Semicoherent FAPbBr3/Bi2WO6 Interface for Photoredox Reaction with Large Driving Force, 2020, ACS Nano
  • Edge stabilization in reduced-dimensional perovskites, 2020, Nature Communications

In recognition of contributions to science, Johan Hofkens was named Member of the European Academy of Sciences in 2017 and elected Member of Academia Europaea in 2019.

Best Publications

  • Dopant-induced electron localization drives CO 2 reduction to C 2 hydrocarbons

    Yansong Zhou;Yansong Zhou;Fanglin Che;Min Liu;Min Liu;Chengqin Zou

  • The Rylene Colorant Family—Tailored Nanoemitters for Photonics Research and Applications

    Tanja Weil;Tom Vosch;Johan Hofkens;Kalina Peneva

  • Iron(III)-based metal-organic frameworks as visible light photocatalysts.

    Katrien G. M. Laurier;Frederik Vermoortele;Rob Ameloot;Dirk E. De Vos

  • Thermal unequilibrium of strained black CsPbI3 thin films

    Julian A. Steele;Handong Jin;Iurii Dovgaliuk;Robert F. Berger

  • Tuning the Structural and Optoelectronic Properties of Cs(2)AgBiBr(6)Double-Perovskite Single Crystals through Alkali-Metal Substitution

    Masoumeh Keshavarz;Elke Debroye;Martin Ottesen;Cristina Martin;Cristina Martin

  • Reversible single-molecule photoswitching in the GFP-like fluorescent protein Dronpa

    Satoshi Habuchi;Ryoko Ando;Peter Dedecker;Wendy Verheijen

  • Solar-Driven Metal Halide Perovskite Photocatalysis: Design, Stability, and Performance

    Haowei Huang;Bapi Pradhan;Johan Hofkens;Maarten B. J. Roeffaers

  • Fluorescence lifetime standards for time and frequency domain fluorescence spectroscopy

    Noël Boens;Wenwu Qin;Nikola Basarić;Johan Hofkens

  • Spatially resolved observation of crystal-face-dependent catalysis by single turnover counting

    Maarten B. J. Roeffaers;Bert F. Sels;Hiroshi Uji-i;Frans C. De Schryver

  • Perovskite seeding growth of formamidinium-lead-iodide-based perovskites for efficient and stable solar cells.

    Yicheng Zhao;Yicheng Zhao;Hairen Tan;Haifeng Yuan;Haifeng Yuan;Zhenyu Yang

  • Bandgap opening in oxygen plasma-treated graphene.

    Amirhasan Nourbakhsh;Mirco Cantoro;Tom Vosch;Geoffrey Pourtois

  • Stretched exponential decay and correlations in the catalytic activity of fluctuating single lipase molecules

    Ophir Flomenbom;Kelly Velonia;Davey Loos;Sadahiro Masuo

  • Handbook of fluorescence spectroscopy and imaging : from single molecules to ensembles

    Markus Sauer;Johan Hofkens;Jörg Enderlein

  • Auto-production of biosurfactants reverses the coffee ring effect in a bacterial system

    Wouter Sempels;Raf De Dier;Hideaki Mizuno;Johan Hofkens

  • Energy dissipation in multichromophoric single dendrimers

    F. C. De Schryver;T. Vosch;M. Cotlet;M. Van der Auweraer

  • An experimental comparison of the maximum likelihood estimation and nonlinear least-squares fluorescence lifetime analysis of single molecules.

    M Maus;M Cotlet;J Hofkens;T Gensch

  • Degradation of Methylammonium Lead Iodide Perovskite Structures through Light and Electron Beam Driven Ion Migration.

    Haifeng Yuan;Elke Debroye;Kris P F Janssen;Hiroyuki Naiki

  • Probing Photophysical Processes in Individual Multichromophoric Dendrimers by Single-Molecule Spectroscopy

    Johan Hofkens;Michael Maus;Thomas Gensch;Tom Vosch

  • Iron(III)-Based MetalOrganic Frameworks As Visible Light Photocatalysts

    Katrien G. M. Laurier;Frederik Vermoortele;Rob Ameloot;Dirk E. De Vos

Frequent Co-Authors

Hiroshi Uji-i
Hiroshi Uji-i KU Leuven
Klaus Müllen
Klaus Müllen Max Planck Institute for Polymer Research
Tom Vosch
Tom Vosch University of Copenhagen
Bert F. Sels
Bert F. Sels KU Leuven
Dirk De Vos
Dirk De Vos KU Leuven
Mircea Cotlet
Mircea Cotlet Brookhaven National Laboratory
Andreas Herrmann
Andreas Herrmann RWTH Aachen University

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