journal article·2017-03-14

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

Chemistry of Materials· Volume 29· Issue 5
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Abstract

High Resolution Image Download MS PowerPoint Slide We report on the facile preparation of versatile MoS 2 –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 MoS 2 was extensively modified with up to 50% surface coverage, while maintaining its metallic character, and that the strategy can be extended to MoSe 2, WS 2, and WSe 2 . 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.
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Research context

OpenAlex topics: 2D Materials and Applications · Electrocatalysts for Energy Conversion · Advanced Photocatalysis Techniques

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Affiliations

Division of Chemistry & Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371

Division of Science, Yale-NUS College, 16 College Avenue West, Singapore 138527

Regional Centre of Advanced Technologies and Materials, Faculty of Science, Department of Physical Chemistry, Palacký University, Olomouc 77146, Czech Republic

Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic

Funding

Ministry of Education - Singapore · Ministerstvo ?kolstv?, Ml?de?e a Telov?chovy · Grantov? Agentura Cesk? Republiky

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