In situ encapsulation of Au nanoparticles in mesoporous core–shell TiO2 microspheres with enhanced activity and durability

Zhenfeng Bian; Jian Zhu; Fenglei Cao; Yunfeng Lu; Hexing Li

doi:10.1039/B906421D

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In situ encapsulation of Au nanoparticles in mesoporous core–shell TiO₂ microspheres with enhanced activity and durability†

Zhenfeng Bian,^a Jian Zhu,^a Fenglei Cao,^a Yunfeng Lu*^b and Hexing Li*^a

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* Corresponding authors

^a Department of Chemistry, Shanghai Normal University, Shanghai, China
E-mail: HeXing-Li@shnu.edu.cn
Fax: 86-21-64322272
Tel: 86-21-64322272

^b Chemical & Biomolecular Engineering Department, University of California, Los Angeles, USA

Abstract

An active and durable Au/TiO₂ photocatalyst was prepared by in situ encapsulation of Au particles into core–shell TiO₂ spheres based on consecutive solvothermal and hydrothermal treatments.

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Supplementary files

Experimental details and characterization, EDX, mapping, XPSspectra with different Ar⁺ sputtering times, TEM images and N₂ adsorption–desorption isotherm of the Au/TiO₂ sample, TG/DTA curves and FTIR spectrum of the Au/TiO₂ precursor, SEM and HRTEM images of Pd/TiO₂, Pt/TiO₂, and Ag/TiO₂ samples, TEM image of the Au/TiO₂ sample obtained via solvothermal treatment PDF (1095K)

Article information

DOI: https://doi.org/10.1039/B906421D
Article type: Communication
Submitted: 31 Mar 2009
Accepted: 28 Apr 2009
First published: 19 May 2009

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Chem. Commun., 2009, 3789-3791

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In situ encapsulation of Au nanoparticles in mesoporous core–shell TiO₂ microspheres with enhanced activity and durability

Z. Bian, J. Zhu, F. Cao, Y. Lu and H. Li, Chem. Commun., 2009, 3789 DOI: 10.1039/B906421D

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