Abstract:
本文分别采用超临界乙醇流体、超临界二氧化碳流体为干燥介质,对二氧化钛乙醇凝胶进行超临界干燥,制备了二氧化钛气凝胶.用XRD对构成气凝胶的晶粒进行表征.表明这些粒子均为锐钛矿型晶体,用Scherrer公式求出这些晶粒平均粒径为8.2nm和2.3nm.并用FT-IR对这些气凝胶进行表征.
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Year: 2001
Page: 1787-1788,1797
Language: Chinese
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30 Days PV: 3