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Preparation and Characterization of Cu/SiO_2 Nanocomposite Aerogels

Jiayu Xiao

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Abstract

Cu-rich Cu/SiO_2 nanocomposite aerogels ,in which mass fraction of Cu could reach as high as 66%, were firstly prepared by sol-gel process of Cu-containing tetraethyl orthosilicate (CuTEOS).The influence of H_2O,catalyst,solvent and composition of Cu-containing tetraethyl orthosilicate on the sol-gel process was discussed. The particle diameter, pore diameter and specific surface areas of Cu/SiO_2 composite aerogels were smaller than 25nm, 50nm and in the range of 400~650m~2/g respectively.

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What this paper is about

Cu-rich Cu/SiO_2 nanocomposite aerogels ,in which mass fraction of Cu could reach as high as 66%, were firstly prepared by sol-gel process of Cu-containing tetraethyl orthosilicate (CuTEOS).The influence of H_2O,catalyst,solvent and composition of Cu-containing tetraethyl orthosilicate on the sol-gel process was discussed. The particle diameter, pore diameter and specific surface areas of Cu/SiO_2 composite aerogels were smaller than 25nm, 50nm and in the range of 400~650m~2/g respectively.

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Available abstract

Cu-rich Cu/SiO_2 nanocomposite aerogels ,in which mass fraction of Cu could reach as high as 66%, were firstly prepared by sol-gel process of Cu-containing tetraethyl orthosilicate (CuTEOS).The influence of H_2O,catalyst,solvent and composition of Cu-containing tetraethyl orthosilicate on the sol-gel process was discussed. The particle diameter, pore diameter and specific surface areas of Cu/SiO_2 composite aerogels were smaller than 25nm, 50nm and in the range of 400~650m~2/g respectively.

Key concepts: Tetraethyl orthosilicate, Materials science, Nanocomposite, Sol-gel, Mass fraction, Chemical engineering, Composite number, Orthosilicate

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