Au Nanoparticles Loaded on Hollow TiO2 Microspheres with (001) Exposed Facets: a Strategy for Promoting Photocatalytic Performance

doi:10.1007/s40242-018-8047-8

高等学校化学研究 ›› 2018, Vol. 34 ›› Issue (5): 705-710.doi: 10.1007/s40242-018-8047-8

Au Nanoparticles Loaded on Hollow TiO₂ Microspheres with (001) Exposed Facets: a Strategy for Promoting Photocatalytic Performance

WANG Shumin, YAN Xiaoxia, ZHU Yan, DENG Dongmei, HE Haibo, LUO Liqiang

College of Sciences, Shanghai University, Shanghai 200444, P. R. China

收稿日期:2018-02-02 修回日期:2018-06-15 出版日期:2018-10-01 发布日期:2018-07-11
通讯作者: LUO Liqiang,Email:luck@shu.edu.cn;YAN Xiaoxia,Email:xxyan@shu.edu.cn E-mail:luck@shu.edu.cn;xxyan@shu.edu.cn
基金资助:
Supported by the National Natural Science Foundation of China(Nos.61571278, 61571280).

Au Nanoparticles Loaded on Hollow TiO₂ Microspheres with (001) Exposed Facets: a Strategy for Promoting Photocatalytic Performance

WANG Shumin, YAN Xiaoxia, ZHU Yan, DENG Dongmei, HE Haibo, LUO Liqiang

College of Sciences, Shanghai University, Shanghai 200444, P. R. China

Received:2018-02-02 Revised:2018-06-15 Online:2018-10-01 Published:2018-07-11
Contact: LUO Liqiang,Email:luck@shu.edu.cn;YAN Xiaoxia,Email:xxyan@shu.edu.cn E-mail:luck@shu.edu.cn;xxyan@shu.edu.cn
Supported by:
Supported by the National Natural Science Foundation of China(Nos.61571278, 61571280).

摘要/Abstract

摘要： Au nanoparticles loaded TiO₂ hollow microspheres with exposed (001) facets(Au-HTFs) were synthesized through template-free hydrothermal process combined with a chemical reduction role. Au-HTFs displayed excellent photocatalytic activity in catalyzing oxidization reaction in organic pollutant system, which originates from the synergistic effect of the reactive (001) facets and Au nanoparticles with a wide range of absorption in visible region based on localized surface plasmon resonance effect. The unique synergistic effect could largely increase the photocatalytic performance resulting from the improvements of both the visible light aborption and the recombination of electron-hole pairs. Our findings revealed that among Au-HTFs with different Au loading percentages, Au-HTFs with 2%(mass fraction) Au loading possessed the superior photocatalytic activity.

关键词: Hollow TiO₂microsphere, Exposed facet, Gold nanoparticles, Photocatalysis

Abstract: Au nanoparticles loaded TiO₂ hollow microspheres with exposed (001) facets(Au-HTFs) were synthesized through template-free hydrothermal process combined with a chemical reduction role. Au-HTFs displayed excellent photocatalytic activity in catalyzing oxidization reaction in organic pollutant system, which originates from the synergistic effect of the reactive (001) facets and Au nanoparticles with a wide range of absorption in visible region based on localized surface plasmon resonance effect. The unique synergistic effect could largely increase the photocatalytic performance resulting from the improvements of both the visible light aborption and the recombination of electron-hole pairs. Our findings revealed that among Au-HTFs with different Au loading percentages, Au-HTFs with 2%(mass fraction) Au loading possessed the superior photocatalytic activity.

Key words: Hollow TiO₂microsphere, Exposed facet, Gold nanoparticles, Photocatalysis

WANG Shumin, YAN Xiaoxia, ZHU Yan, DENG Dongmei, HE Haibo, LUO Liqiang. Au Nanoparticles Loaded on Hollow TiO₂ Microspheres with (001) Exposed Facets: a Strategy for Promoting Photocatalytic Performance[J]. 高等学校化学研究, 2018, 34(5): 705-710.

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Au Nanoparticles Loaded on Hollow TiO₂ Microspheres with (001) Exposed Facets: a Strategy for Promoting Photocatalytic Performance

Au Nanoparticles Loaded on Hollow TiO₂ Microspheres with (001) Exposed Facets: a Strategy for Promoting Photocatalytic Performance

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