Hollow hybrid titanate/Au@TiO2 hierarchical architecture for highly efficient photocatalytic application

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作者
机构
[1] Liu, Lixia
[2] Yang, Jing
[3] Liu, Shaodong
[4] Bai, Li
[5] Liu, Baocang
[6] Wang, Qin
[7] Xu, Guangran
[8] Jing, Peng
[9] Yu, Shengli
[10] 1,Zhang, Jun
来源
Zhang, Jun (cejzhang@imu.edu.cn) | 1600年 / Elsevier B.V., Netherlands卷 / 54期
基金
中国国家自然科学基金;
关键词
Photocatalysts - Sols - Titanium dioxide;
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摘要
Hollow hybrid titanate/Au@TiO2 hierarchical architecture consisting of titanate and anatase titanium dioxide (TiO2) loaded with Au nanoparticles was prepared via a sol-impregnation method combined with a hydrothermal etching process. The titanate/Au@TiO2 architecture possesses unique hollow spherical configuration with Au nanoparticles loaded in the middle of titanate and TiO2 shells and allows to be used as a microreactor for photocatalytic application. The hybrid titanate/Au@TiO2 photocatalyst shows significantly enhanced photocatalytic activity on degradation of methylorange (MO) under UV light irradiation due to the lower electron-hole pairs recombination rate arisen from the synergistic effect of titanate-Au-TiO2 in hybrid hierarchical architecture. © 2014 Elsevier B.V.
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