Low temperature synthesis of novel rodlike Bi 5O 7I with visible light photocatalytic performance

Cao, J.; Li, Xin Yong; Lin, H.; Xu, B.; Luo, B.; Chen, S.

doi:10.1016/j.matlet.2012.02.087

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Authors

Cao, J.

Li, Xin Yong

Lin, H.

Xu, B.

Luo, B.

Chen, S.

Date

2012

Type

Journal Article

Metadata

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Citation

Cao, J. and Li, X.Y. and Lin, H. and Xu, B. and Luo, B. and Chen, S. 2012. Low temperature synthesis of novel rodlike Bi 5O 7I with visible light photocatalytic performance. Materials Letters. 76: pp. 181-183.

Source Title

Materials Letters

DOI

10.1016/j.matlet.2012.02.087

ISSN

0167-577X

School

Department of Chemical Engineering

URI

http://hdl.handle.net/20.500.11937/11046

Collection

Curtin Research Publications

Abstract

Novel rodlike Bi5O7I was successfully synthesized via precipitation transformation method using BiOI as a precursor at 70 °C. The scanning electron microscopy (SEM) and X-ray diffraction (XRD) results show that Bi5O7I had rodlike structure with good crystallinity and purity. The UV–vis diffuse reflectance spectroscopy (DRS) displays that the absorption band edge of Bi5O7I was 422 nm, which ensures the good visible light absorption of Bi5O7I. The application of photocatalytic degrading rhodamine B (RhB) under visible light (λ > 400 nm) presents that the as-prepared rodlike Bi5O7I had excellent photocatalytic activity compared to single BiOI and TiO2 (P25). It is a promising visible light induced photocatalyst for the treatment of chemically polluted water.