Black brookite titania with high solar absorption and excellent photocatalytic performance

Guilian Zhu; Tianquan Lin; Xujie Lü; Wei Zhao; Chongyin Yang; Zhou Wang; Hao Yin; Zhanqiang Liu; Fuqiang Huang; Jianhua Lin

doi:10.1039/C3TA11782K

Black brookite titania with high solar absorption and excellent photocatalytic performance†

Guilian Zhu,^a Tianquan Lin,^a Xujie Lü,^a Wei Zhao,^a Chongyin Yang,^a Zhou Wang,^a Hao Yin,*^a Zhanqiang Liu,^a Fuqiang Huang*^ab and Jianhua Lin^b

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* Corresponding authors

^a CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P.R. China
E-mail: huangfq@mail.sic.ac.cn

^b Beijing National Laboratory for Molecular Sciences and State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P.R. China

Abstract

Black platelike brookite with outstanding photocatalytic performance is prepared by constructing a distinct crystalline core/disordered shell structure (TiO₂@TiO_2−x) through aluminium reduction. Many oxygen vacancies and Ti³⁺ states are introduced into the distorted shell, which increase the solar energy absorption and boost the photocatalytic activity.

Journal of Materials Chemistry A

Black brookite titania with high solar absorption and excellent photocatalytic performance†

Abstract

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Black brookite titania with high solar absorption and excellent photocatalytic performance

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