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Combustion Synthesis of BiOCl with Tunable Percentage of Exposed {001} Facets and Enhanced Photocatalytic Properties
Author(s) -
Gao Meichao,
Zhang Dafeng,
Pu Xipeng,
Li Mingtong,
Yu Young Moon,
Shim Jae Jeong,
Cai Peiqing,
Kim Sun Il,
Seo Hyo Jin
Publication year - 2015
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.13493
Subject(s) - photocatalysis , photodegradation , scanning electron microscope , rhodamine b , materials science , absorbance , ultraviolet , transmission electron microscopy , photoluminescence , bismuth , irradiation , rhodamine , combustion , chemical engineering , photochemistry , nuclear chemistry , nanotechnology , chemistry , composite material , optics , optoelectronics , fluorescence , catalysis , organic chemistry , metallurgy , chromatography , physics , engineering , nuclear physics
Bismuth oxychloride (BiOCl) was synthesized by a simple combustion method. The structures, morphologies, absorbance, optical, and photocatalytic properties of the samples were studied by X‐ray powder diffraction, scanning electron microscopy, transmission electron microscopy, ultraviolet–visible spectrophotometry, and photoluminescence. The experimental results show that BiOCl microsheet with high percentage of exposed {001} facets was obtained. It is interesting to note that the thickness of BiOCl sheets, in other words, the percentage of exposed {001} facets can be modulated through changing the added amount of ammonium chloride. The sample with the thinnest BiOCl sheets shows the best photodegradation performance of Rhodamine B under ultraviolet light irradiation, which can be attributed to the cooperative effect between the high percentage of exposed {001} facets and high‐specific surface area. Moreover, the corresponding influencing mechanism on the percentage of exposed {001} facets of BiOCl was discussed.