In-situ synthesis of Ag/SBA-15 nanocomposites by the "pH- adjusting" method

Zhang, X.; Qu, Z.; Li, Xin Yong; Zhao, Q.; Zhang, X.; Quan, X.

doi:10.1016/j.matlet.2011.03.072

Access Status

Fulltext not available

Authors

Zhang, X.

Qu, Z.

Li, Xin Yong

Zhao, Q.

Zhang, X.

Quan, X.

Date

2011

Type

Journal Article

Metadata

Show full item record

Citation

Zhang, X. and Qu, Z. and Li, X.Y. and Zhao, Q. and Zhang, X. and Quan, X. 2011. In-situ synthesis of Ag/SBA-15 nanocomposites by the "pH- adjusting" method. Materials Letters. 65 (12): pp. 1892-1895.

Source Title

Materials Letters

DOI

10.1016/j.matlet.2011.03.072

ISSN

0167-577X

School

Department of Chemical Engineering

URI

http://hdl.handle.net/20.500.11937/15065

Collection

Curtin Research Publications

Abstract

Ag nanoparticles were incorporated into the channels of mesoporous SBA-15 by the "pH-adjusting" method. In this procedure, the pH value of the solution was adjusted up to 7.5 by adding ammonia. The structural properties of Ag/SBA-15 nanocomposites were systematically investigated by X-ray powder diffraction (XRD), Transmission electron microscope (TEM), N2 adsorption-desorption isotherms, inductively coupled plasma atomic emission spectroscopy (ICP-AES) and Fourier transform infrared spectroscopy (FT-IR) techniques. The characterization results reveal that the synthesized materials exhibit highly ordered hexagonal mesoporous structures, and highly dispersed Ag nanoparticles are confined inside the mesopores. It is the first time to report such high Ag loading on oxides fabricated by in-situ pH-adjusting method. © 2011 Elsevier B.V. All rights reserved.