Počet záznamů: 1  

Plasmon assisted Ti.sub.3./sub.C.sub.2./sub.T.sub.x./sub. grafting and surface termination tuning for enhancement of flake stability and humidity sensing performance

  1. 1.
    0577157 - FZÚ 2024 RIV GB eng J - Článek v odborném periodiku
    Buravets, V. - Olshtrem, A. - Burtsev, V. - Gorin, O. - Chertopalov, Sergii - Chumakov, A. - Schwartzkopf, M. - Lančok, Ján - Svorcik, V. - Lyutakov, O. - Miliutina, E.
    Plasmon assisted Ti3C2Tx grafting and surface termination tuning for enhancement of flake stability and humidity sensing performance.
    Nanoscale Advances. Roč. 5, č. 24 (2023), s. 6739-7090. ISSN 2516-0230. E-ISSN 2516-0230
    Grant CEP: GA MŠMT(CZ) EF16_019/0000760; GA ČR(CZ) GA21-09277S
    Grant ostatní: OP VVV - SOLID21(XE) CZ.02.1.01/0.0/0.0/16_019/0000760
    Institucionální podpora: RVO:68378271
    Klíčová slova: gas sensors * MXene * oxidation
    Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
    Impakt faktor: 4.7, rok: 2022
    Způsob publikování: Open access

    Humidity sensors play a critical role in monitoring human activities, environmental health, food processing and storage, and many other fields. Recently, some 2D materials, particularly MXenes, have been considered as promising candidates for creating humidity sensors because of their high surface area, surface-to-bulk ratio, and excellent conductivity, arising from the high concentration and mobility of free electrons. In this work, we propose the plasmon-assisted surface modification and termination tuning of common MXene (Ti3C2Tx) to enhance their response to humidity and increase their stability against oxidation. Hydrophobic (–C6H4–CF3) and hydrophilic (–C6H4–COOH) chemical moieties were covalently grafted to the Ti3C2Tx surface using plasmon-mediated diazonium chemistry. In situ Grazing-Incidence Wide- Angle X-ray Scattering (GIWAXS) measurements, performed at different humidity levels indicate that surface modification significantly affects penetration of water molecules in Ti3C2Tx films
    Trvalý link: https://hdl.handle.net/11104/0348050

     
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