在水基溶液中形成纳米多孔金红石(TiO2)微球

2011 International Conference and Seminar on Micro/Nanotechnologies and Electron Devices Proceedings Pub Date : 2011-08-30 DOI:10.1109/EDM.2011.6006885

I. B. Troitskaia, T. Gavrilova, V. Atuchin

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摘要

以钛酸铵水溶液为原料，在pH = 1, T = 100℃条件下，采用硝酸沉淀法制备了粒径为20 μm、结晶度较好的TiO2纳米孔微球。XRD分析证实了金红石结构类型(空间群P42/mnm, PDF 21-1276)的形成。SEM分析表明，纳米孔结构发育，孔径可达~ 20 ~ 30 nm。

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Nanoporous rutile (TiO2) microspheres formed in water-based solution

TiO2 nanoporous microspheres with diameter of 20 μm and good crystallinity have been obtained by precipitation from water solution of ammonium titanate with nitric acid at pH = 1 and T = 100°C without thermal treatment of final product. Rutile structural type formation (space group P42/mnm, PDF 21–1276) have been confirmed with XRD analysis. SEM analysis indicates the presence of developed nanoporous structure with hole diameter up to ∼20–30 nm.

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2011 International Conference and Seminar on Micro/Nanotechnologies and Electron Devices Proceedings

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