Issue 8, 2011
From the journal:

CrystEngComm

Stepwise blossoming of BiOBr nanoplate-assembled microflowers and their visible-light photocatalytic activities

Yijun Chen,†a   Ming Wen†a  and  Qingsheng Wu*a  

* Corresponding authors

a Department of Chemistry, Tongji University, 1239 Siping Road, Shanghai, P. R. China
E-mail: qswu@tongji.edu.cn
Fax: +86-21-65981097
Tel: +86-21-65982620

Abstract

Stepwise blossoming of nanoplate-assembled BiOBr microflowers from bud to blossom structures with average diameters from 1 to 3.5 μm and nanoplate thicknesses from 25 to 120 nm is obtained in a solvothermal system through surfactant modulation and time control. The above BiOBr structures exhibit excellent visible-light photocatalytic activity toward degradation of methylene blue (MB) solution, among which the structure from a 24 h reaction gives the best photocatalytic activity. A quantitative relationship is established among crystallite size (R), specific surface area (S) and photocatalytic activity (D). The equation D = 15(R)2/5(S)1/5 offers a quantitative characterization of crystallinity-dominated photocatalytic activity.

Graphical abstract: Stepwise blossoming of BiOBr nanoplate-assembled microflowers and their visible-light photocatalytic activities

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Article information

DOI
https://doi.org/10.1039/C0CE00955E
Article type
Paper
Submitted
15 Dec 2010
Accepted
14 Feb 2011
First published
07 Mar 2011

CrystEngComm, 2011,13, 3035-3039

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Stepwise blossoming of BiOBr nanoplate-assembled microflowers and their visible-light photocatalytic activities

Y. Chen, M. Wen and Q. Wu, CrystEngComm, 2011, 13, 3035 DOI: 10.1039/C0CE00955E

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