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Efficient Visible Light Photocatalytic Removal of NO with BiOBr-Graphene Nanocomposites

Ai, Zhihui, Ho, Wingkei, Lee, Shuncheng·2011·The Journal of Physical Chemistry C

Abstract

In this study, we demonstrate that bismuth oxybromide and graphene nanocomposites (BGCs) exhibit superior performance on photocatalytic removal of gaseous nitrogen monoxide (NO) to pure BiOBr under visible light irradiation (λ > 420 nm). The photocatalytic NO removal rate constant of BGCs was 2 times that of pure BiOBr. The BGCs were prepared by a facile solvothermal route with using graphene oxide (GO), bismuth nitrite, and cetyltrimethyl ammonium bromide (CTAB) as the precursors. During the synthesis, both of the reduction of GO and the formation of BiOBr nanocrystals were achieved simultaneously. On the basis of the characterization results, we attributed the enhanced photocatalytic activity of the BGCs nanocomposites to more effective charge transportations and separations arisen from the strong chemical bonding between BiOBr and graphene, not to their light absorption extension in the visible region and higher surface area.

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Metadata

Authors
Ai, Z., Ho, W., & Lee, S.
Venue
The Journal of Physical Chemistry C
Published
2011-12-07
Volume
115
Issue
51
Pages
25330-25337
ISSN
  • 1932-7447 (ISSN-L)
  • 1932-7455
OpenAlex
W2319404066
Cited by
228
References
1
FWCI
6.30
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Efficient Visible Light Photocatalytic Removal of NO with BiOBr-Graphene Nanocomposites. https://app.cochat.ai/papers/10.1021/jp206808g
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Ai, Z., Ho, W., & Lee, S. (2011). Efficient Visible Light Photocatalytic Removal of NO with BiOBr-Graphene Nanocomposites. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp206808g

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