An aerosol method to synthesize supported metal catalyst nanoparticles

被引：26

作者：

Backman, U ^{[1
]}

Tapper, U ^{[1
]}

Jokiniemi, JK ^{[1
]}

机构：

[1] VTT Proc, Espoo 02044, Finland

来源：

SYNTHETIC METALS | 2004年 / 142卷 / 1-3期

关键词：

silver nanoparticles; supported metal catalyst; aerosol synthesis;

D O I：

10.1016/j.synthmet.2003.08.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel route to prepare supported metal catalytic materials by a one-step aerosol process is presented. The system setup was made as simple as possible in order to ease scale-up. It consisted of a bubbler and a tubular flow reactor. The metal oxide support was prepared by thermal decomposition of a metalorganic precursor and the metal was added by evaporation/condensation. The performance of the system was tested with Ag on TiO2 support. The powders were characterised using transmission electron microscopy (TEM), X-ray diffraction (XRD), nitrogen adsorption, ICP/AES and elemental analysis. The silver was well dispersed in 1-2 nm sized particles on the surface of the agglomerated titania support particles. The primary particle size of the anatase phased titania was 13-22 nm. The prepared powder had a high specific surface area, between 40 and 90 m(2)/g. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：169 / 176

页数：8

共 21 条

[1] Novel method for the preparation of silicon oxide layer on TiO2 particle and dynamic behavior of silicon oxide layer on TiO2 particle [J].