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arXiv · 2202.06746

Single nanosized graphene/TiOx multi-shells on TiO2 core via rapid-concomitant reaction pathway on metal oxide/polymer interface

Kunihiko Kato·Yunzi Xin·Sebastien Vaucher·Takashi Shirai
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Abstract

A novel design has been proposed for a facile and rapid build-up of highly tailorable nanostructured multishells on metal oxide particles (graphene/TiOx@TiO2) under a dry inert atmosphere to maximize the visible-light photocatalytic performance. We also thoroughly and systematically investigated the as-prepared nanostructured particle surface and the mechanisms of the extraordinary in-situ graphene growth on the TiOx@TiO2 nanoparticles achieved by a rapid-concomitant reaction in the metal oxide (TiO2)/polymer (polymethyl methacrylate) interface under microwave irradiation. The as-prepared composite materials are also found to perform a better photocatalytic activity in comparison to the traditional synthesis pathway for degradation of organic pollutants under visible light, associated with the synergetic effects of homo-/hetero-junction on TiO2.

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Kunihiko Kato, Yunzi Xin, Sebastien Vaucher, Takashi Shirai. 2022-02-03. Single nanosized graphene/TiOx multi-shells on TiO2 core via rapid-concomitant reaction pathway on metal oxide/polymer interface. https://doi.org/10.1016/j.scriptamat.2021.114358

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