Functional Nanosheet Synthons by Covalent Modification of Transition-Metal Dichalcogenides

Stanislav Presolski, Lu Wang, Adeline Huiling Loo, Adriano Ambrosi, Petr Lazar, Václav Ranc, Michal Otyepka, Radek Zboril, Ondřej Tomanec, Juri Ugolotti, Zdeněk Sofer, Martin Pumera

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23 Citations (Scopus)

Abstract

We report on the facile preparation of versatile MoS2-thiobarbituric acid conjugates, which, in addition to excellent electrochemical behavior, can serve as nanosheet platforms for further functionalization in a multitude of applications. We show that chemically exfoliated MoS2 was extensively modified with up to 50% surface coverage, while maintaining its metallic character, and that the strategy can be extended to MoSe2, WS2, and WSe2. The covalent functionalization endowed the materials not only with good aqueous dispersibility, but also with improved hydrogen evolution reaction (HER) activity, as well as promise in the oxidative detection of DNA nucleobases in solution.

Original languageEnglish
Pages (from-to)2066-2073
Number of pages8
JournalChemistry of Materials
Volume29
Issue number5
DOIs
Publication statusPublished - 2017 Mar 14

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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    Presolski, S., Wang, L., Loo, A. H., Ambrosi, A., Lazar, P., Ranc, V., Otyepka, M., Zboril, R., Tomanec, O., Ugolotti, J., Sofer, Z., & Pumera, M. (2017). Functional Nanosheet Synthons by Covalent Modification of Transition-Metal Dichalcogenides. Chemistry of Materials, 29(5), 2066-2073. https://doi.org/10.1021/acs.chemmater.6b04171