World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
54
Citations
10258
World Ranking
12626
National Ranking
928

Alfons Penzkofer 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 Alfons Penzkofer sits on this spectrum.

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: 644 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: 253 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 publications 1,295+

This scientist: 281 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

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

Alfons Penzkofer 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 Alfons Penzkofer sits on this spectrum.

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: 776 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 647 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 D-Index 159+

This scientist: 54 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

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

Overview

Alfons Penzkofer is affiliated with the University of Regensburg in Germany. Their research primarily focuses on neuroscience and biochemistry, genetics, and molecular biology.

The main fields of study in their work include:

  • Neuroscience
  • Biochemistry, Genetics and Molecular Biology

Their research also spans several subfields such as:

  • Cellular and Molecular Neuroscience
  • Molecular Biology
  • Materials Chemistry
  • Cognitive Neuroscience
  • Plant Science

Penzkofer's research topics cover:

  • Photoreceptor and optogenetics research
  • Retinal Development and Disorders
  • Neuroscience and Neuropharmacology Research
  • Photochromic and Fluorescence Chemistry
  • Neural dynamics and brain function
  • Bioluminescence and chemiluminescence research
  • Light effects on plants

The scientist has published several research papers focusing predominantly on the Archaerhodopsin 3 based fluorescent voltage sensor Archon2 and related photochemical studies. Notable publications include:

  • Photocycle dynamics of the Archaerhodopsin 3 based fluorescent voltage sensor Archon2, 2021, Journal of Photochemistry and Photobiology B Biology
  • Absorption and Emission Spectroscopic Investigation of the Thermal Dynamics of the Archaerhodopsin 3 Based Fluorescent Voltage Sensor Archon2, 2020, International Journal of Molecular Sciences
  • Theoretical investigation of the photocycle dynamics of the Archaerhodopsin 3 based fluorescent voltage sensor Archon2, 2022, Journal of Photochemistry and Photobiology A Chemistry
  • Reinvestigation of Absorption Spectroscopic Thermal Dynamics of Archaerhodopsin 3 Based Voltage Sensor QuasAr1, 2025, Bioengineering
  • Molecular plasticity in the flavin binding pocket of BLUF domain evolves first light-gated endonuclease in bacterial system, 2025, bioRxiv (Cold Spring Harbor Laboratory)

Frequent collaborators in Penzkofer's research include Arita Silapētere, Peter Hegemann, Rahamtullah, Jitender, and Manish Singh Kaushik.

The scientist's work has appeared in multiple publication venues, including:

  • Journal of Photochemistry and Photobiology B Biology
  • International Journal of Molecular Sciences
  • Journal of Photochemistry and Photobiology A Chemistry
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Bioengineering

Best Publications

  • High intensity Raman interactions

    Alfons Penzkofer;A. Laubereau;W. Kaiser

  • Absorption and Fluorescence Spectroscopic Investigation of Indocyanine Green

    R. Philip;Alfons Penzkofer;W. Bäumler;R. Szeimies

  • Fluorescence Behaviour of Highly Concentrated Rhodamine 6G Solutions

    Alfons Penzkofer;W. Leupacher

  • Nonresonant third order hyperpolarizability of rare gases and N2 determined by third harmonic generation

    H. Lehmeier;W. Leupacher;Alfons Penzkofer

  • Photostability and thermal stability of indocyanine green.

    W. Holzer;M. Mauerer;A. Penzkofer;R.-M. Szeimies

  • Fluorescence quenching of rhodamine 6G in methanol at high concentration

    Alfons Penzkofer;Y. Lu

  • Absorption and emission spectroscopic characterization of platinum-octaethyl-porphyrin (PtOEP)

    Ashu-Kumar Bansal;Wolfgang Holzer;Alfons Penzkofer;Taiju Tsuboi

  • pH dependence of the absorption and emission behaviour of riboflavin in aqueous solution

    P. Drössler;W. Holzer;A. Penzkofer;P. Hegemann

  • Absorption and emission spectroscopic characterization of Ir(ppy)3

    W. Holzer;Alfons Penzkofer;T. Tsuboi

  • Photo-induced degradation of some flavins in aqueous solution

    W. Holzer;J. Shirdel;P. Zirak;A. Penzkofer

  • Laser action in poly (m-phenylenevinylene-co-2,5-dioctoxy-p-phenylenevinylene)†

    Wolfgang Holzer;Alfons Penzkofer;Sung‐Huan Gong;Andreas Bleyer

  • Spectroscopic Characterization of Flavin Mononucleotide Bound to the LOV1 Domain of Phot1 from Chlamydomonas reinhardtii

    W. Holzer;Alfons Penzkofer;M. Fuhrmann;P. Hegemann

  • Absorption and Emission Spectroscopic Investigation of Cyanovinyldiethylaniline Dye Vapors

    A. Deshpande;A. Beidoun;Alfons Penzkofer;G. Wagenblast

  • Intersystem-Crossing and Excited-State Absorption in Eosin Y Solutions Determined by Picosecond Double Pulse Transient Absorption Measurements

    Alfons Penzkofer;A. Beidoun;M. Daiber

  • Absorption behaviour of methanolic rhodamine 6G solutions at high concentration

    Y. Lu;Alfons Penzkofer

  • Fluorescence quenching of flavin adenine dinucleotide in aqueous solution by pH dependent isomerisation and photo-induced electron transfer

    Shafiqul D.M. Islam;Thomas Susdorf;Alfons Penzkofer;Peter Hegemann

  • FLUORESCENCE SPECTROSCOPIC BEHAVIOUR OF NEAT AND BLENDED CONJUGATED POLYMER THIN FILMS

    W. Holzer;M. Pichlmaier;A. Penzkofer;D.D.C. Bradley

  • Quantum yield of triplet formation for indocyanine green

    S. Reindl;A. Penzkofer;S.-H. Gong;M. Landthaler

  • Picosecond third-harmonic light generation inβ-BaB2O4

    P. Qiu;Alfons Penzkofer

  • Quantum yield of triplet formation of riboflavin in aqueous solution and of flavin mononucleotide bound to the LOV1 domain of Phot1 from Chlamydomonas reinhardtii

    Shafiqul D.M. Islam;Alfons Penzkofer;Peter Hegemann

  • Vibronic relaxation in the S1 state of rhodamine dye solutions

    Alfons Penzkofer;W. Falkenstein;W. Kaiser

Frequent Co-Authors

Peter Hegemann
Peter Hegemann Humboldt-Universität zu Berlin
Werner J. Blau
Werner J. Blau Trinity College Dublin
Fabian Rotermund
Fabian Rotermund Korea Advanced Institute of Science and Technology
Angel Costela
Angel Costela Spanish National Research Council
Roberto Sastre
Roberto Sastre Spanish National Research Council
Inmaculada García-Moreno
Inmaculada García-Moreno Spanish National Research Council
Francisco Amat-Guerri
Francisco Amat-Guerri Spanish National Research Council
Reji Philip
Reji Philip Raman Research Institute
Ernst-Bernhard Kley
Ernst-Bernhard Kley Friedrich Schiller University Jena

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

Pursuing a degree in Chemistry opens diverse career pathways, many of which can be supplemented by related online programs. Understanding the costs involved is crucial, as programs like those outlined in how much does a criminal justice degree cost highlight the importance of budgeting for education.

For those interested in foundational qualifications, exploring options such as the best online associates in criminal justice can provide a flexible start. These associate degrees often serve as stepping stones to more specialized roles in science-related fields, including chemistry.

On the career front, various roles intersect with chemistry knowledge. For example, paralegals specializing in patent law or environmental regulations require an understanding of chemical processes. Insights into the types of paralegals and salaries offer valuable information for those considering this intersection of law and science.

Additionally, pharmaceutical sales representatives benefit from a strong chemistry background to effectively communicate product details. The guide on how much do pharmaceutical reps make provides useful insights into salary expectations and career growth opportunities in this field.

Best Scientists Citing Alfons Penzkofer

Trending Scientists

Recently Published Articles