World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
47
Citations
8138
World Ranking
4892
National Ranking
150

Reiner Klenk publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Reiner Klenk sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 210 publications — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Reiner Klenk D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Reiner Klenk sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 47 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

Reiner Klenk is affiliated with the Helmholtz-Zentrum Berlin für Materialien und Energie in Germany. Their research primarily focuses on the fields of engineering and materials science, with significant expertise in electrical and electronic engineering as well as materials chemistry. The work also covers aspects of renewable energy, sustainability, atomic and molecular physics, optics, and artificial intelligence.

The scientist's research contributions encompass various topics related to chalcogenide semiconductor thin films, quantum dots synthesis and properties, photovoltaic system optimization techniques, semiconductor materials and interfaces, solar thermal and photovoltaic systems, solar radiation and photovoltaics, and copper-based nanomaterials and applications.

Frequent co-authors in Klenk's publications include:

  • Rutger Schlatmann
  • Christian A. Kaufmann
  • Guillermo A. Farias-Basulto
  • Tobias Bertram
  • Carolin Ulbrich

Key journals and publication venues where Klenk's research appears multiple times are:

  • Progress in Photovoltaics Research and Applications
  • Solar Energy
  • IEEE Journal of Photovoltaics
  • ACS Applied Energy Materials
  • Solar RRL

Recent notable papers authored in collaboration include:

  • "Mapping the Energetics of Defect States in Cu2ZnSnS4 films and the Impact of Sb Doping" (2022) in ACS Applied Energy Materials
  • "Validation of a multiple linear regression model for CIGSSe photovoltaic module performance and Pmpp prediction" (2020) in Solar Energy
  • "Limitation of Current Transport across the Heterojunction in Cu(In,Ga)Se2 Solar Cells Prepared with Alkali Fluoride Postdeposition Treatment" (2020) in Solar RRL
  • "Effects of material properties of band-gap-graded Cu(In,Ga)Se2 thin films on the onset of the quantum efficiency spectra of corresponding solar cells" (2022) in Progress in Photovoltaics Research and Applications
  • "A Device Model for Rb-Conditioned Chalcopyrite Solar Cells" (2020) in IEEE Journal of Photovoltaics

Best Publications

  • Buffer layers and transparent conducting oxides for chalcopyrite Cu(In,Ga)(S,Se)(2) based thin film photovoltaics : Present status and current developments

    N. Naghavi;D. Abou-Ras;N. Allsop;Nicolas Barreau

  • Efficient CuInS2 solar cells from a rapid thermal process (RTP)

    Kai Siemer;Jo Klaer;Ilka Luck;Jürgen Bruns

  • Characterisation and modelling of chalcopyrite solar cells

    Reiner Klenk

  • Cu2ZnSnS4 thin film solar cells by fast coevaporation

    Björn-Arvid Schubert;Björn Marsen;Sonja Cinque;Thomas Unold

  • A model for the successful growth of polycrystalline films of CuInSe2 by multisource physical vacuum evaporation

    Reiner Klenk;Thomas Walter;Hans-Werner Schock;David Cahen

  • Device and material characterization of Cu(InGa)Se2 solar cells with increasing band gap

    William N. Shafarman;Reiner Klenk;Brian E. McCandless

  • Efficient ? thin-film solar cells prepared by a sequential process

    J Klaer;J Bruns;R Henninger;K Siemer

  • I-II-V half-Heusler compounds for optoelectronics: Ab initio calculations

    David Kieven;Reiner Klenk;Shahab Naghavi;Claudia Felser

  • Solar cells based on CuInS2—an overview

    R. Klenk;J. Klaer;R. Scheer;M.Ch. Lux-Steiner

  • PREPARATION OF HOMOGENEOUS CU(INGA)SE2 FILMS BY SELENIZATION OF METAL PRECURSORS IN H2SE ATMOSPHERE

    M. Marudachalam;H. Hichri;R. Klenk;R. W. Birkmire

  • The influence of Na on low temperature growth of CIGS thin film solar cells on polyimide substrates

    R. Caballero;C.A. Kaufmann;T. Eisenbarth;M. Cancela

  • Structure and chemistry of CuInSe2 for solar cell technology: current understanding and recommendations

    Angus Rockett;F. Abou-Elfotouh;D. Albin;M. Bode

  • Experimental indication for band gap widening of chalcopyrite solar cell absorbers after potassium fluoride treatment

    P. Pistor;D. Greiner;C. A. Kaufmann;S. Brunken

  • Improved performance of thin film solar cells based on Cu(In,Ga)S2

    R Kaigawa;A Neisser;R Klenk;M.-Ch Lux-Steiner

  • Transfer of Cu(In,Ga)Se2 thin film solar cells to flexible substrates using an in situ process control

    C.A. Kaufmann;A. Neisser;R. Klenk;R. Scheer

  • Structure reinvestigation of α-, β- and γ-In2S3

    Paul Pistor;Jose M. Merino Álvarez;Máximo León;Marco di Michiel

  • Junction formation by Zn(O,S) sputtering yields CIGSe‐based cells with efficiencies exceeding 18%

    Reiner Klenk;Alexander Steigert;Thorsten Rissom;Dieter Greiner

  • 12.6% efficient CdS/Cu(In,Ga)S2-based solar cell with an open circuit voltage of 879 mV prepared by a rapid thermal process

    S. Merdes;R. Mainz;J. Klaer;A. Meeder

  • Defects in Cu(In, Ga) Se2 semiconductors and their role in the device performance of thin‐film solar cells

    M. Burgelman;F. Engelhardt;J. F. Guillemoles;R. Herberholz

  • Depth profiling of Cu(In,Ga)Se2 thin films grown at low temperatures

    C.A. Kaufmann;R. Caballero;T. Unold;R. Hesse

  • CuInS2 based thin film photovoltaics

    R. Scheer;R. Klenk;J. Klaer;I. Luck

Frequent Co-Authors

Christian A. Kaufmann
Christian A. Kaufmann Helmholtz-Zentrum Berlin für Materialien und Energie
Roland Scheer
Roland Scheer Martin Luther University Halle-Wittenberg
Thomas Unold
Thomas Unold Helmholtz-Zentrum Berlin für Materialien und Energie
H.W. Schock
H.W. Schock University of Stuttgart
Susan Schorr
Susan Schorr Helmholtz-Zentrum Berlin für Materialien und Energie
Joan Ramon Morante
Joan Ramon Morante Catalonia Institute for Energy Research
Alejandro Pérez-Rodríguez
Alejandro Pérez-Rodríguez University of Barcelona
David Cahen
David Cahen Weizmann Institute of Science
Albert Romano-Rodriguez
Albert Romano-Rodriguez University of Barcelona
Ahmed Ennaoui
Ahmed Ennaoui Institute of Research in Solar Energy and New Energies

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