Photoluminescence and photocatalytic properties of BiOCl and Bi24O31Cl10 nanostructures synthesized by electrolytic corrosion of metal Bi

Photoluminescence and photocatalytic properties of BiOCl and Bi24O31Cl10 nanostructures synthesized by electrolytic corrosion of metal Bi
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金属Bi电解腐蚀合成BiOCl和Bi24O31Cl10纳米结构的光致发光和光催化性能

DOI:
10.1016/j.materresbull.2012.12.011
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发表时间:
2013-03
影响因子:
5.4
通讯作者:
Tang, G. D.
Tang, G. D.
中科院分区:
材料科学2区
文献类型:
--
作者:
Chen, G.;Fang, G. L.;Tang, G. D.

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用电解腐蚀法制备了BiOCl和Bi_(24)O_(31)Cl_(10)纳米结构。研究了BiOCl和Bi_(24)O_(31)Cl_(10)纳米结构的发光和荧光性质。在合成的BiOCl中得到了厚度约为10 nm、面内尺寸为30- 60 nm的纳米片。在360 nm处激发的发射光谱由两个宽的发射带组成:紫外-蓝光和可见光。可见光发射是BiOCl在可见光照射下的光催化活性的原因。Bi 24 O31 Cl 10是由厚度为10- 20 nm的均匀纳米片自组装而成的纳米结构,在室温下具有宽而强的蓝移紫外发射。
Nanostructured BiOCl and Bi24O31Cl10have been synthesized by electrolytic corrosion of metal Bi. The photocatalysis and photoluminescence (PL) properties of BiOCl and Bi24O31Cl10nanostructures have been investigated. Nanosheets with a thickness of ∼10nm and in-plane size of 30–60nm were obtained in the as-synthesized BiOCl. The emission spectra excited at 360nm consist of two broad emission bands: ultraviolet-blue and visible. The visible emission is responsible for the photocatalytic activity of BiOCl under visible light irradiation. The nanostructured Bi24O31Cl10, self-assembled by uniform nanosheets with a thickness of 10–20nm, exhibits a broad and strong blue shift UV emission at room temperature.
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