Nanometric core-shell-shell γ-Fe2O3/SiO2/TiO2 particles

被引：0
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作者：
Sébastien Abramson
Liliane Srithammavanh
Jean-Michel Siaugue
Olivier Horner
Xiangzhen Xu
Valérie Cabuil
机构：
[1] Université Pierre et Marie Curie (UPMC),LI2C
[2] Ecole Supérieure de Physique et Chimie Industrielle (ESPCI),UMR 7612 (UPMC
来源：
Journal of Nanoparticle Research | 2009年 / 11卷
关键词：
Magnetic nanoparticle; Fe; O; SiO; TiO; Core-shell-shell; Magnetic photocatalyst; Sol–gel methods;
D O I：
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中图分类号：
学科分类号：
摘要：
The preparation of core-shell-shell γ-Fe2O3/SiO2/TiO2 nanoparticles of few tens nanometers is performed by successively coating onto magnetic nanoparticles a SiO2 layer and a TiO2 layer, using sol–gel methods. The thickness of the two layers and the aggregation state of the particles can be controlled by the experimental conditions used for the two coatings. These composite nanoparticles may find application as magnetic photocatalysts, since they are characterized by their small diameters which allow a good accessibility to the TiO2 shell.
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页码：459 / 465
页数：6
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