Investigation of facets-dependent photoactivity of anatase TiO2 nanobelt with high percentage of {100} facets

被引：1

作者：

Dong, Wenhao ^{[1
]}

Pan, Feng ^{[2
]}

Wang, Hailong ^{[1
]}

机构：

[1] Ningxia Univ, Sch Phys & Elect Elect Engn, Adv Energy Storage Mat & Devices Lab, Yinchuan 750021, Peoples R China

[2] Peking Univ, Coll Chem & Mol Engn, BNLMS, SKLSCUSS, Beijing 100871, Peoples R China

来源：

FUNCTIONAL MATERIALS LETTERS | 2017年 / 10卷 / 05期

关键词：

Anatase TiO2; {100} facets; facets-dependent photoactivity; PHOTOCATALYTIC ACTIVITY; SEMICONDUCTOR PHOTOCATALYSIS; CO2; PHOTOREDUCTION; NANOMATERIALS; NANOSHEETS; NANORODS;

D O I：

10.1142/S179360471750059X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Recently, semiconductor nanomaterials with exposed high percentage of reactive facets have attracted great attention due to their excellent photocatalytic performances. In this report, anatase titanium dioxide (TiO2) nanobelts with dominant {100} facets were synthesized by a hydrothermal method. The percentage of desired {100} facets were as high as up to 74.8%, and the photoactivity of anatase TiO2 {100} and {001} facets were evaluated and compared by methylene blue and rhodamine B photodegradation. The {100} facets show higher photocatalytic activity than {001} facets, which could be ascribed to the superior electronic band structure and higher surface active sites density of {100} facets than that of {001} facets.

引用

页数：4

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