期刊
DALTON TRANSACTIONS
卷 43, 期 25, 页码 9456-9467出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3dt53389a
关键词
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资金
- National Natural Science Foundation [21003065, 21003065, 21306067]
- Natural Science Foundation of Jiangsu Province [BK2010044]
- Industry High Technology Foundation of Jiangsu Province [BE2013090]
- Science & Technology Foundation of Zhenjiang, China [SH2010025, SH2011005, SH2012011, GY2012048]
Developing a novel and facile way to synthesize composite aerogels plays an important role in the applications of aerogels. UV-resistant hydrophobic titania-containing silica aerogels are prepared for the first time using potassium titanate as precursor by a modified ambient pressure drying method. The well established silica-titania networks, which can be tuned from 10 to 30 nm by adjusting the precursor content in the preparation process, provide effective confinement of spherical solid clusters. The UV-resistant hydrophobic composite aerogels show excellent photocatalytic dye degradation activity under visible light irradiation. This can be ascribed to the insert of suitable titania into the silica organizational structure. The present work gives a promising method of one pot synthesis and surface modification of aerogel composite structures, which have a broader application as photocatalyst.
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