Octahedral-shaped perovskite nanocrystals and their visible-light photocatalytic activity

Simin Yin; He Tian; Zhaohui Ren; Xiao Wei; Chunying Chao; Jingyuan Pei; Xiang Li; Gang Xu; Ge Shen; Gaorong Han

doi:10.1039/C4CC01118J

Octahedral-shaped perovskite nanocrystals and their visible-light photocatalytic activity†

Simin Yin,‡^a He Tian,‡^b Zhaohui Ren,*^a Xiao Wei,^ac Chunying Chao,^a Jingyuan Pei,^ac Xiang Li,^a Gang Xu,^a Ge Shen^a and Gaorong Han*^a

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* Corresponding authors

^a State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Cyrus Tang Center for Sensor Materials and Application, Zhejiang University, Hangzhou, P. R. China
E-mail: renzh@zju.edu.cn, hgr@zju.edu.cn

^b EMAT, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium

^c Electron Micriscope Center of Zhejiang University, Hangzhou, P. R. China

Abstract

Octahedral-shaped perovskite PbTiO₃ nanocrystals (PT OCT) with well-defined {111} facets exposed have been successfully synthesized via a facile hydrothermal method by using LiNO₃ as an ion surfactant. The Li–O bond on the surface of PT OCT nanocrystals is essential to the stability of such nanocrystals and also results in a dramatic high visible-light photocatalytic activity.

Chemical Communications

Octahedral-shaped perovskite nanocrystals and their visible-light photocatalytic activity†

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Octahedral-shaped perovskite nanocrystals and their visible-light photocatalytic activity

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