World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 70 4415 4271 20 19 195 17946
Chemistry 69 6174 5601 32 31 189 17501

Freddy Kleitz publications per year

The chart shows the history of publications by Freddy Kleitz between 2001 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Freddy Kleitz published across 25 years, from 2001 to 2025, averaging 9.4 papers a year. Output peaked at 16 publications in 2012. 26 of the 234 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 2001 to 2025. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2012. 2001: 4 publications 2002: 4 publications 2003: 7 publications 2004: 4 publications 2005: 7 publications 2006: 4 publications 2007: 8 publications 2008: 5 publications 2009: 5 publications 2010: 7 publications 2011: 7 publications 2012: 16 publications 2013: 13 publications 2014: 13 publications 2015: 14 publications 2016: 12 publications 2017: 12 publications 2018: 12 publications 2019: 6 publications 2020: 10 publications 2021: 10 publications 2022: 15 publications 2023: 13 publications 2024: 14 publications 2025: 12 publications
2001 2025

234 publications in total across all disciplines

View publications per year as a table
Freddy Kleitz: publications per year, 2001 to 2025
Year Publications
2001 4
2002 4
2003 7
2004 4
2005 7
2006 4
2007 8
2008 5
2009 5
2010 7
2011 7
2012 16
2013 13
2014 13
2015 14
2016 12
2017 12
2018 12
2019 6
2020 10
2021 10
2022 15
2023 13
2024 14
2025 12
Total 234
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Freddy Kleitz publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Freddy Kleitz sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 190–209 publications, is where this scientist sits. 50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50–69 publications 1,163+

This scientist: 195 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891 195
210–229 862
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
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Freddy Kleitz D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Freddy Kleitz sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 70–71 D-Index, is where this scientist sits. 40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40–41 D-Index 165+

This scientist: 70 D-Index — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378 70
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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Overview

Freddy Kleitz is affiliated with the University of Vienna in Austria and focuses on research primarily in the fields of Materials Science and Engineering. Their work spans several subfields including Materials Chemistry, Electrical and Electronic Engineering, Mechanical Engineering, Renewable Energy, Sustainability and the Environment, and Inorganic Chemistry.

Their research topics are diverse and include Covalent Organic Framework Applications, Metal-Organic Frameworks: Synthesis and Applications, Nanoparticle-Based Drug Delivery, Mesoporous Materials and Catalysis, Electrocatalysts for Energy Conversion, Advanced Drug Delivery Systems, and Extraction and Separation Processes.

Freddy Kleitz has published extensively in scientific journals, with a frequent presence in venues such as:

  • Journal of Colloid and Interface Science
  • Small Science
  • Angewandte Chemie International Edition
  • ACS Applied Materials & Interfaces
  • Angewandte Chemie

Among their recent notable papers are:

  • "A Covalent Organic Framework/Graphene Dual-Region Hydrogel for Enhanced Solar-Driven Water Generation," 2022, Journal of the American Chemical Society
  • "Silica nanoparticles: A review of their safety and current strategies to overcome biological barriers," 2023, Advanced Drug Delivery Reviews
  • "Silica nanoparticles: A promising platform for enhanced oral delivery of macromolecules," 2020, Journal of Controlled Release
  • "Ultrathin Covalent Organic Framework Anchored on Graphene for Enhanced Organic Pollutant Removal," 2022, Angewandte Chemie International Edition
  • "Defect-Engineered Hydroxylated Mesoporous Spinel Oxides as Bifunctional Electrocatalysts for Oxygen Reduction and Evolution Reactions," 2022, ACS Applied Materials & Interfaces

Freddy Kleitz collaborates frequently with other researchers in the field, including Patrick Guggenberger, Tatiana Priamushko, Hanspeter Kählig, Giorgia Del Favero, and Cornelia von Baeckmann.

Best Publications

  • Cubic Ia3d large mesoporous silica: synthesis and replication to platinum nanowires, carbon nanorods and carbon nanotubes

    Freddy Kleitz;Shin Hei Choi;Ryong Ryoo

  • MCM-48-like Large Mesoporous Silicas with Tailored Pore Structure: Facile Synthesis Domain in a Ternary Triblock Copolymer−Butanol−Water System

    Tae-Wan Kim;Freddy Kleitz;Blain Paul;Ryong Ryoo

  • Shape-controlled synthesis of highly crystalline titania nanocrystals.

    Cao-Thang Dinh;Thanh-Dinh Nguyen;Freddy Kleitz;Trong-On Do

  • Hard templating pathways for the synthesis of nanostructured porous Co₃O₄

    Anja Rumplecker;Freddy Kleitz;Elena-Lorena Salabas;Ferdi Schüth

  • Ordered mesoporous Co3O4 spinels as stable, bifunctional, noble metal-free oxygen electrocatalysts

    Young Jin Sa;Kyungjung Kwon;Jae Yeong Cheon;Freddy Kleitz

  • Large Cage Face-Centered-Cubic Fm3m Mesoporous Silica: Synthesis and Structure

    Freddy Kleitz;Dinan Liu;Gopinathan M. Anilkumar;† In-Soo Park

  • Yolk–Shell Hybrid Materials with a Periodic Mesoporous Organosilica Shell: Ideal Nanoreactors for Selective Alcohol Oxidation

    Jian Liu;Heng Quan Yang;Freddy Kleitz;Zhi Gang Chen

  • Calcination behavior of different surfactant-templated mesostructured silica materials

    Freddy Kleitz;Wolfgang Schmidt;Ferdi Schüth

  • Mesoporous silica nanoparticles with organo-bridged silsesquioxane framework as innovative platforms for bioimaging and therapeutic agent delivery

    Xin Du;Xiaoyu Li;Lin Xiong;Xueji Zhang

  • Controlled polymerization in mesoporous silica toward the design of organic-inorganic composite nanoporous materials.

    Minkee Choi;Freddy Kleitz;Dinan Liu;Hee Yoon Lee

  • Poly-L-lysine functionalized large pore cubic mesostructured silica nanoparticles as biocompatible carriers for gene delivery.

    Sandy B Hartono;Wenyi Gu;Freddy Kleitz;Jian Liu

  • Exchange anisotropy in nanocasted Co3O4 nanowires

    Elena Lorena Salabaş;Anja Rumplecker;Freddy Kleitz;Florin Radu

  • Facile synthesis of high quality mesoporous SBA-15 with enhanced control of the porous network connectivity and wall thickness

    Minkee Choi;Wonjoon Heo;Freddy Kleitz;Ryong Ryoo

  • Evaluation of mesoporous silica nanoparticles for oral drug delivery – current status and perspective of MSNs drug carriers

    Justyna Florek;Romain Caillard;Freddy Kleitz

  • Probing Adsorption, Pore Condensation, and Hysteresis Behavior of Pure Fluids in Three-Dimensional Cubic Mesoporous KIT-6 Silica

    Freddy Kleitz;François Bérubé;Rémy Guillet-Nicolas;Chia-Min Yang

  • Cavitation in metastable liquid nitrogen confined to nanoscale pores.

    Christopher J. Rasmussen;Aleksey Vishnyakov;Matthias Thommes;Bernd M. Smarsly

  • Three‐Dimensional Ordered Assembly of Thin‐Shell Au/TiO2 Hollow Nanospheres for Enhanced Visible‐Light‐Driven Photocatalysis

    Cao-Thang Dinh;Hoang Yen;Freddy Kleitz;Trong-On Do

  • Disulfide‐Bridged Organosilica Frameworks: Designed, Synthesis, Redox‐Triggered Biodegradation, and Nanobiomedical Applications

    Xin Du;Xin Du;Freddy Kleitz;Xiaoyu Li;Hongwei Huang

  • Enzyme‐Responsive Controlled Release of Covalently Bound Prodrug from Functional Mesoporous Silica Nanospheres

    Amirali Popat;Benjamin P. Ross;Jian Liu;Siddharth Jambhrunkar

  • Nanocast LaNiO3 Perovskites as Precursors for the Preparation of Coke-Resistant Dry Reforming Catalysts

    Mahesh Muraleedharan Nair;Serge Kaliaguine;Freddy Kleitz

  • Large-scale synthesis of uniform silver orthophosphate colloidal nanocrystals exhibiting high visible light photocatalytic activity.

    Cao-Thang Dinh;Thanh-Dinh Nguyen;Freddy Kleitz;Trong-On Do

Frequent Co-Authors

Serge Kaliaguine
Serge Kaliaguine Université Laval
Shi-Zhang Qiao
Shi-Zhang Qiao University of Adelaide
Mika Lindén
Mika Lindén University of Ulm
Cao-Thang Dinh
Cao-Thang Dinh Queen's University
Trong-On Do
Trong-On Do Université Laval
Ferdi Schüth
Ferdi Schüth Max Planck Society
Ryong Ryoo
Ryong Ryoo Korea Institute of Energy Technology
Matthias Thommes
Matthias Thommes University of Erlangen-Nuremberg
Xin Du
Xin Du University of Science and Technology Beijing
Jessica M. Rosenholm
Jessica M. Rosenholm Åbo Akademi University

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