Issue 8, 2010

A green and efficient route for preparation of supported metal colloidal nanoparticles in scCO2

Abstract

An efficient method for dispersing active metal colloidal nanoparticles onto supports uniformly is revealed in this paper. The critical feature of this method is to separate the stabilizer simply with the phase-switch function of scCO2; with it the highly dispersed Pd colloidal catalysts were prepared, and the forming procedure is analyzed and discussed in detail. The present work not only overcame the common difficulties of removing the stabilizers in the preparation of supported colloidal particles, but also provided a facile and green process for preparing supported metal colloidal nanoparticles with using the environmentally benign solvent of scCO2.

Graphical abstract: A green and efficient route for preparation of supported metal colloidal nanoparticles in scCO2

Supplementary files

Article information

Article type
Paper
Submitted
24 Mar 2010
Accepted
12 May 2010
First published
11 Jun 2010

Green Chem., 2010,12, 1417-1422

A green and efficient route for preparation of supported metal colloidal nanoparticles in scCO2

Q. Wang, H. Cheng, R. Liu, J. Hao, Y. Yu and F. Zhao, Green Chem., 2010, 12, 1417 DOI: 10.1039/C004647G

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