World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
77
Citations
26769
World Ranking
3948
National Ranking
296

Klaus K. Unger 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 Klaus K. Unger 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: 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 publications 1,295+

This scientist: 366 publications — 75th percentile

75% of scientists in this discipline score the same or lower.

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

Klaus K. Unger 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 Klaus K. Unger 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: 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 D-Index 159+

This scientist: 77 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

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

Overview

Klaus K. Unger was affiliated with Johannes Gutenberg University of Mainz in Germany during their academic career. The scientist's work contributed within an academic context tied to this institution.

There are no recent papers, frequent co-authors, or known publication venues specifically linked to their record. The absence of recorded main fields, subfields, and topics of study indicates limited publicly available documentation of their specific research focus areas.

No book publications or awards have been documented for Klaus K. Unger. The data do specify that the scientist is deceased.

The available information presents Klaus K. Unger as an academic figure with a clear institutional affiliation but without publicly detailed research output or collaborations. The profile is based on the documented data provided.

Best Publications

  • Recommendations for the characterization of porous solids (Technical Report)

    J. Rouquerol;D. Avnir;C. W. Fairbridge;D. H. Everett

  • Novel pathways for the preparation of mesoporous MCM-41 materials: control of porosity and morphology

    Michael Grün;Klaus K Unger;Akihiko Matsumoto;Kazuo Tsutsumi

  • The synthesis of micrometer‐ and submicrometer‐size spheres of ordered mesoporous oxide MCM‐41

    Michael Grün;Iris Lauer;Klaus K. Unger

  • Capillary Hysteresis in Nanopores: Theoretical and Experimental Studies of Nitrogen Adsorption on MCM-41

    P.I. Ravikovitch;S.C.O. Domhnaill;A.V. Neimark;F. Schüth;F. Schüth

  • Formation of a Porous Zirconium Oxo Phosphate with a High Surface Area by a Surfactant‐Assisted Synthesis

    Ulrike Ciesla;Stefan Schacht;Galen D. Stucky;Klaus K. Unger

  • Particle packed columns and monolithic columns in high-performance liquid chromatography-comparison and critical appraisal.

    Klaus K. Unger;Romas Skudas;Michael M. Schulte

  • Pore Size Analysis of MCM-41 Type Adsorbents by Means of Nitrogen and Argon Adsorption

    Alexander V. Neimark;Alexander V. Neimark;Peter I. Ravikovitch;Michael Grün;Ferdi Schüth;Ferdi Schüth

  • NMR Studies of Single-File Diffusion in Unidimensional Channel Zeolites

    Volker Kukla;Jan Kornatowski;Dirk Demuth;Irina Girnus

  • Characterization of MCM-48 materials

    K. Schumacher;P. I. Ravikovitch;A. Du Chesne;A. V. Neimark

  • An automated on-line multidimensional HPLC system for protein and peptide mapping with integrated sample preparation.

    Knut Wagner;Tasso Miliotis;György Marko-Varga;Rainer Bischoff

  • Physisorption of argon, nitrogen and oxygen by MCM-41, a model mesoporous adsorbent

    Peter J. Branton;Peter G. Hall;Kenneth S. W. Sing;Horst Reichert

  • Novel synthesis of spherical MCM-48

    Unknown

  • MCM-41, MCM-48 and related mesoporous adsorbents: their synthesis and characterisation

    D Kumar;K Schumacher;C du Fresne von Hohenesche;M Grün

  • Comparison of an ordered mesoporous aluminosilicate, silica, alumina, titania and zirconia in normal-phase high-performance liquid chromatography

    M Grün;A.A Kurganov;S Schacht;F Schüth

  • A Novel Pathway for Synthesis of Submicrometer‐Size Solid Core/Mesoporous Shell Silica Spheres

    Gunter Büchel;Klaus K. Unger;Akihiko Matsumoto;Kazuo Tsutsumi

  • Grafting of Molecularly Imprinted Polymer Films on Silica Supports Containing Surface-Bound Free Radical Initiators

    Claudia Sulitzky;Bärbel Rückert;Andrew J. Hall;Francesca Lanza

  • Porous silica : its properties and use as support in column liquid chromatography

    K. K. Unger

  • Evaluation of advanced silica packings for the separation of biopolymers by high-performance liquid chromatography II. Performance of non-porous monodisperse 1.5-μm Silica beads in the separation of proteins by reversed-phase gradient elution high-performance liquid chromatography

    K.K. Unger;O. Jilge;J.N. Kinkel;M.T.W. Hearn

  • Recent developments in the evaluation of chemically bonded silica packings for liquid chromatography

    Unknown

  • Separation of unmodified α-amino acid enantiomers by reverse phase HPLC

    V. A. Davankov;A. S. Bochkov;A. A. Kurganov;P. Roumeliotis

  • Water Sorption on Mesoporous Aluminosilicate MCM-41

    P.L. Llewellyn;F. Schüth;F. Schüth;Y. Grillet;F. Rouquerol

  • Liquid intrusion and alternative methods for the characterization of macroporous materials (IUPAC Technical Report)

    Jean Rouquerol;Gino Baron;Renaud Denoyel;Herbert Giesche

Frequent Co-Authors

Ferdi Schüth
Ferdi Schüth Max Planck Society
Milton T.W. Hearn
Milton T.W. Hearn Monash University
Galen D. Stucky
Galen D. Stucky University of California, Santa Barbara
Alexander V. Neimark
Alexander V. Neimark Rutgers, The State University of New Jersey
Wolfgang Schmidt
Wolfgang Schmidt Max Planck Society
Kenneth S. W. Sing
Kenneth S. W. Sing Brunel University London
Ernst Bayer
Ernst Bayer University of Tübingen
György Marko-Varga
György Marko-Varga Lund University
Mika Lindén
Mika Lindén University of Ulm
Jörg Kärger
Jörg Kärger Leipzig University

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