Direct synthesis of defective ultrathin brookite-phase TiO2 nanosheets showing flexible electronic band states

Weixin Zhao; Shenqian Ma; Jun Zhou; Guolei Xiang

doi:10.1039/D0CC07214A

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Direct synthesis of defective ultrathin brookite-phase TiO₂ nanosheets showing flexible electronic band states†

Weixin Zhao,

^a Shenqian Ma,^a Jun Zhou^a and Guolei Xiang

*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
E-mail: xianggl@mail.buct.edu.cn

Abstract

We report a one-pot protocol to prepare ultrathin nanosheets of brookite-phase TiO₂ through hydrolyzing TiCl₃ in formamide. This 2D titania is defective and shows flexible electronic states and enhanced surface reactivity, which is probed by H₂O₂ adsorption, catalytic TMB oxidation, and X-ray absorption fine structure. The nanosheets provide a new 2D platform to exploit the applications of TiO₂ in catalysis, energy conversion and storage.

This article is part of the themed collection: ChemComm Milestones – First Independent Articles

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Article information

DOI: https://doi.org/10.1039/D0CC07214A
Article type: Communication
Submitted: 31 Oct 2020
Accepted: 11 Dec 2020
First published: 12 Dec 2020

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Chem. Commun., 2021,57, 500-503

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Direct synthesis of defective ultrathin brookite-phase TiO₂ nanosheets showing flexible electronic band states

W. Zhao, S. Ma, J. Zhou and G. Xiang, Chem. Commun., 2021, 57, 500 DOI: 10.1039/D0CC07214A

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