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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 80 3414 3088 93 80 485 23395

Valentin Valtchev publications per year

The chart shows the history of publications by Valentin Valtchev between 1983 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Valentin Valtchev published across 44 years, from 1983 to 2026, averaging 12.9 papers a year. Output peaked at 44 publications in 2022. 31 of the 566 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1983 to 2026. Vertical axis: number of publications, 0 to 44. Peak 44 publications in 2022. 1983: 1 publication 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 2 publications 1992: 2 publications 1993: 6 publications 1994: 10 publications 1995: 7 publications 1996: 6 publications 1997: 7 publications 1998: 1 publication 1999: 6 publications 2000: 4 publications 2001: 4 publications 2002: 5 publications 2003: 6 publications 2004: 13 publications 2005: 15 publications 2006: 25 publications 2007: 26 publications 2008: 19 publications 2009: 14 publications 2010: 5 publications 2011: 11 publications 2012: 11 publications 2013: 11 publications 2014: 10 publications 2015: 22 publications 2016: 22 publications 2017: 9 publications 2018: 26 publications 2019: 29 publications 2020: 40 publications 2021: 40 publications 2022: 44 publications 2023: 43 publications 2024: 33 publications 2025: 29 publications 2026: 2 publications
1983 2026

566 publications in total across all disciplines

View publications per year as a table
Valentin Valtchev: publications per year, 1983 to 2026
Year Publications
1983 1
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 2
1992 2
1993 6
1994 10
1995 7
1996 6
1997 7
1998 1
1999 6
2000 4
2001 4
2002 5
2003 6
2004 13
2005 15
2006 25
2007 26
2008 19
2009 14
2010 5
2011 11
2012 11
2013 11
2014 10
2015 22
2016 22
2017 9
2018 26
2019 29
2020 40
2021 40
2022 44
2023 43
2024 33
2025 29
2026 2
Total 566
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Valentin Valtchev 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 Valentin Valtchev 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, 481–500 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: 485 publications — 87th percentile

87% 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
481–500 252 485
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
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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Valentin Valtchev 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 Valentin Valtchev 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, 80–81 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: 80 D-Index — 81st percentile

81% 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 80
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
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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Overview

Valentin Valtchev is affiliated with Université de Caen Normandie in France. Their research primarily lies at the intersection of materials science and chemistry, with significant contributions in the subfields of materials chemistry and inorganic chemistry. Their work also touches on renewable energy, sustainability and the environment, catalysis, and industrial and manufacturing engineering.

The scientist has authored numerous publications in key topics that include:

  • Zeolite Catalysis and Synthesis
  • Metal-Organic Frameworks: Synthesis and Applications
  • Covalent Organic Framework Applications
  • Mesoporous Materials and Catalysis
  • Catalytic Processes in Materials Science
  • Chemical Synthesis and Characterization
  • Catalysis and Oxidation Reactions

Valtchev's frequent publication venues reflect their active research presence in several prominent journals and journals series. The main venues include:

  • Microporous and Mesoporous Materials
  • Angewandte Chemie International Edition
  • Angewandte Chemie
  • SSRN Electronic Journal
  • Journal of the American Chemical Society

They have collaborated repeatedly with several researchers over their career, among which the most frequent coauthors are:

  • Qianrong Fang
  • Shilun Qiu
  • Jean-Pierre Gilson
  • Svetlana Mintova
  • Yushan Yan

Some of Valentin Valtchev's recent papers, along with their publication years and venues, are as follows:

  • Three-Dimensional Large-Pore Covalent Organic Framework with stp Topology, 2020, Journal of the American Chemical Society
  • Electroactive Covalent Organic Frameworks: Design, Synthesis, and Applications, 2020, Advanced Materials
  • Exfoliated Mesoporous 2D Covalent Organic Frameworks for High-Rate Electrochemical Double-Layer Capacitors, 2020, Advanced Materials
  • Three-Dimensional Mesoporous Covalent Organic Frameworks through Steric Hindrance Engineering, 2020, Journal of the American Chemical Society
  • Analysis and control of acid sites in zeolites, 2020, Applied Catalysis A General

Best Publications

  • Nanozeolites: Synthesis, Crystallization Mechanism, and Applications

    Unknown

  • Mechanism of Zeolite A Nanocrystal Growth from Colloids at Room Temperature

    Svetlana Mintova;Norman H. Olson;Valentin Valtchev;Thomas Bein

  • Chemically stable polyarylether-based covalent organic frameworks

    Xinyu Guan;Hui Li;Yunchao Ma;Ming Xue

  • Porous nanosized particles: preparation, properties, and applications.

    Valentin Valtchev;Lubomira Tosheva

  • Fabrication of COF-MOF Composite Membranes and Their Highly Selective Separation of H2/CO2

    Jingru Fu;Saikat Das;Guolong Xing;Teng Ben

  • Tailored crystalline microporous materials by post-synthesis modification

    Valentin Valtchev;Gerardo Majano;Svetlana Mintova;Javier Pérez-Ramírez

  • Template-free nanosized faujasite-type zeolites

    Hussein Awala;Jean-Pierre Gilson;Richard Retoux;Philippe Boullay

  • Advances in nanosized zeolites

    Svetlana Mintova;Jean-Pierre Gilson;Valentin Valtchev

  • Fast, Ambient Temperature and Pressure Ionothermal Synthesis of Three-Dimensional Covalent Organic Frameworks

    Xinyu Guan;Yunchao Ma;Hui Li;Yusran Yusran

  • Nanosized microporous crystals: emerging applications.

    Svetlana Mintova;Maguy Jaber;Valentin Valtchev

  • Postsynthetic Functionalization of Three-Dimensional Covalent Organic Frameworks for Selective Extraction of Lanthanide Ions.

    Qiuyu Lu;Yunchao Ma;Hui Li;Xinyu Guan

  • Capturing ultrasmall EMT zeolite from template-free systems.

    Eng-Poh Ng;Eng-Poh Ng;Daniel Chateigner;Thomas Bein;Valentin Valtchev

  • Three-Dimensional Covalent Organic Frameworks with Dual Linkages for Bifunctional Cascade Catalysis

    Hui Li;Qinying Pan;Yunchao Ma;Xinyu Guan

  • Seed-Induced Crystallization of Nanosized Na-ZSM-5 Crystals

    Gerardo Majano;Ali Darwiche;Svetlana Mintova;Valentin Valtchev

  • Variation of the Si/Al ratio in nanosized zeolite Beta crystals

    S. Mintova;V. Valtchev;T. Onfroy;C. Marichal

  • Effects of crystal size and Si/Al ratio on the surface properties of H-ZSM-5 zeolites

    T. Armaroli;L.J. Simon;M. Digne;T. Montanari

  • Transmission Electron Microscopy Study of the Formation of FAU-Type Zeolite at Room Temperature

    Valentin P. Valtchev;Krassimir N. Bozhilov

  • Three-Dimensional Ionic Covalent Organic Frameworks for Rapid, Reversible, and Selective Ion Exchange

    Zonglong Li;Hui Li;Xinyu Guan;Junjie Tang

  • Three-dimensional Salphen-based Covalent–Organic Frameworks as Catalytic Antioxidants

    Shichen Yan;Xinyu Guan;Hui Li;Daohao Li

  • Al-Rich Zeolite Beta by Seeding in the Absence of Organic Template

    Gerardo Majano;Luc Delmotte;Valentin Valtchev;Svetlana Mintova

  • One-pot synthesis of silanol-free nanosized MFI zeolite

    Julien Grand;Siddulu Naidu Talapaneni;Aurélie Vicente;Christian Fernandez

  • Chemical Equilibrium Controlled Etching of MFI-Type Zeolite and Its Influence on Zeolite Structure, Acidity, and Catalytic Activity

    Z Qin;L Lakiss;Jp Gilson;K Thomas

  • Layer-by-layer preparation of zeolite coatings of nanosized crystals

    Valentin Valtchev;Svetlana Mintova

Frequent Co-Authors

Svetlana Mintova
Svetlana Mintova Université de Caen Normandie
Qianrong Fang
Qianrong Fang Jilin University
Jean-Pierre Gilson
Jean-Pierre Gilson Université de Caen Normandie
Shilun Qiu
Shilun Qiu Jilin University
Krassimir N. Bozhilov
Krassimir N. Bozhilov University of California, Riverside
Yushan Yan
Yushan Yan University of Delaware
Christian Fernandez
Christian Fernandez Université de Caen Normandie
Johan Sterte
Johan Sterte Luleå University of Technology
Ovidiu Ersen
Ovidiu Ersen University of Strasbourg
Vitaly V. Ordomsky
Vitaly V. Ordomsky University of Lille

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