World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
57
Citations
9405
World Ranking
11325
National Ranking
33

Vefa Ahsen 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 Vefa Ahsen 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: 294 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

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

Vefa Ahsen 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 Vefa Ahsen 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: 57 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Overview

Vefa Ahsen is affiliated with Gebze Technical University in Turkey and has an active research profile primarily focused on chemistry, medicine, and materials science. Their work spans several interconnected subfields, including organic chemistry, materials chemistry, oncology, renewable energy, sustainability, the environment, and electrical and electronic engineering.

Their research topics cover diverse areas related to the synthesis and properties of metal complexes, porphyrin and phthalocyanine chemistry, ferrocene chemistry and applications, as well as photodynamic therapy research studies. Additionally, their work involves nanoplatforms for cancer theranostics, synthesis and characterization of heterocyclic compounds, and TiO2 photocatalysis and solar cells.

Vefa Ahsen has published in multiple academic venues, with articles appearing in journals such as:

  • SSRN Electronic Journal
  • Dalton Transactions
  • Sensors and Actuators B Chemical
  • Journal of Porphyrins and Phthalocyanines
  • Molecular Physics

Recent papers authored or co-authored by Vefa Ahsen include:

  • Insight into the effects of the anchoring groups on the photovoltaic performance of unsymmetrical phthalocyanine based dye-sensitized solar cells, 2021, Dalton Transactions
  • Hybrid liquid crystalline zinc phthalocyanine@Cu2O nanowires for NO2 sensor application, 2021, Sensors and Actuators B Chemical
  • BisN,N'-bis(anilino)glioximato platinum(II) complex: synthesis, characterization and biological activity, 2022, Journal of Coordination Chemistry
  • In vivo phototoxic effects of a tetraethyleneglycol-substituted Zn phthalocyanine in tumor bearing rats at an enzymatic level, 2020, Journal of Porphyrins and Phthalocyanines
  • Theoretical investigation of the hydrolysis and DNA binding of platinum (II) complexes of imidazolidine dioximes, 2023, Molecular Physics

Frequent collaborators of Vefa Ahsen include Ayşe Gül Gürek, Emel Önal, Fabienne Dumoulin, Özge Eroğlu Gülümsek, and Cansu Küçükpolat. These partnerships have contributed to the breadth of research topics and publications.

Best Publications

  • Synthetic pathways to water-soluble phthalocyanines and close analogs

    Fabienne Dumoulin;Mahmut Durmuş;Vefa Ahsen;Tebello Nyokong

  • Synthesis and characterization of metal-free and metal derivatives of a novel soluble crown-ether-containing phthalocyanine

    Vefa Ahsen;Emel Yilmazer;Mümtaz Ertas;Özer Bekâroğlu

  • Synthesis, photophysical and photochemical properties of substituted zinc phthalocyanines

    Ilke Gürol;Mahmut Durmuş;Mahmut Durmuş;Vefa Ahsen;Vefa Ahsen;Tebello Nyokong

  • Comparative studies of photophysical and photochemical properties of solketal substituted platinum(II) and zinc(II) phthalocyanine sets

    Yunus Zorlu;Fabienne Dumoulin;Mahmut Durmuş;Vefa Ahsen;Vefa Ahsen

  • A set of highly water-soluble tetraethyleneglycol-substituted Zn(II) phthalocyanines: synthesis, photochemical and photophysical properties, interaction with plasma proteins and in vitro phototoxicity

    Sinem Tuncel;Fabienne Dumoulin;Juergen Gailer;Melani Sooriyaarachchi

  • Preparation of a novel, soluble copper phthalocyanine with crown ether moieties

    Ali R. Koray;Vefa Ahsen;Özer Bekâroǧlu

  • IONOELECTRONICS. CATION-INDUCED NONLINEAR COMPLEXATION : CROWN ETHER- AND POLY(ETHYLENE OXIDE)-SUBSTITUTED LUTETIUM BISPHTHALOCYANINES

    Thierry Toupance;Vefa Ahsen;Jacques Simon

  • Photosensitizers in Medicine, Environment, and Security

    Tebello Nyokong;Vefa Ahsen

  • Water-soluble cationic gallium(III) and indium(III) phthalocyanines for photodynamic therapy.

    Mahmut Durmuş;Vefa Ahsen;Vefa Ahsen

  • Peripheral and non-peripheral tetrasubstituted aluminium, gallium and indium phthalocyanines: Synthesis, photophysics and photochemistry

    Huelya Yanik;Duygu Aydin;Mahmut Durmus;Vefa Ahsen;Vefa Ahsen

  • Separation and mesogenic properties of tetraalkoxy-substituted phthalocyanine isomers

    Mahmut Durmuş;Serkan Yeşilot;Vefa Ahsen;Vefa Ahsen

  • Light-Triggered Liposomal Release: Membrane Permeabilization by Photodynamic Action

    Alina Pashkovskaya;Elena Kotova;Yunus Zorlu;Fabienne Dumoulin

  • Water-soluble quaternized mercaptopyridine-substituted zinc-phthalocyanines: Synthesis, photophysical, photochemical and bovine serum albumin binding properties

    Mahmut Durmuş;Hanifi Yaman;Cem Göl;Vefa Ahsen;Vefa Ahsen

  • Modulation of the electronic and spectroscopic properties of Zn(II) phthalocyanines by their substitution pattern

    Sevinc Z. Topal;Ümit İşci;Ufuk Kumru;Devrim Atilla

  • Unsymmetrical phthalocyanines with a single macrocyclic substituent

    Emel Musluoglu;Aysegül Gürek;Vefa Ahsen;Ahmet Gül;Ahmet Gül

  • Glycerol and galactose substituted zinc phthalocyanines. Synthesis and photodynamic activity.

    Yunus Zorlu;Mahmut Ali Ermeydan;Fabienne Dumoulin;Vefa Ahsen

  • Synthesis and photodynamic potential of tetra- and octa-triethyleneoxysulfonyl substituted zinc phthalocyanines

    Devrim Atilla;Nil Saydan;Mahmut Durmuş;Mahmut Durmuş;Ayşe Gül Gürek

  • Water-Soluble Phtalocyanines Containing Aza-Crown Ether Substituents†

    Emel Musluǧlu;Vefa Ahsen;Ahmet Gül;Ö. Bekâroǧlu

  • Synthesis, photophysical and photochemical studies on long chain zinc phthalocyanine derivatives

    Abimbola Ogunsipe;Abimbola Ogunsipe;Mahmut Durmuş;Mahmut Durmuş;Devrim Atilla;Ayşe Gül Gürek

  • Monoglycoconjugated water-soluble phthalocyanines. Design and synthesis of potential selectively targeting PDT photosensitisers

    Yunus Zorlu;Fabienne Dumoulin;Denis Bouchu;Vefa Ahsen

Frequent Co-Authors

Mahmut Durmuş
Mahmut Durmuş Gebze Technical University
Dominique Luneau
Dominique Luneau Claude Bernard University Lyon 1
Tebello Nyokong
Tebello Nyokong Rhodes University
Jacques Pécaut
Jacques Pécaut Grenoble Alpes University
Jacques Simon
Jacques Simon Centre national de la recherche scientifique, CNRS
Ahmet Gül
Ahmet Gül Istanbul University
Fahrettin Yakuphanoglu
Fahrettin Yakuphanoglu Fırat University
Thierry Toupance
Thierry Toupance University of Bordeaux
Mustafa O. Guler
Mustafa O. Guler University of Chicago
Joseph Zyss
Joseph Zyss École Normale Supérieure Paris-Saclay

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