Volume 22, Issue 4 pp. 340-343
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Preparation and Characterization of TiO2-pillared Layered HNb3O8

Xian-Ji Guo

Xian-Ji Guo

Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China

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Wen-Hua Hou

Wen-Hua Hou

Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China

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Yan Kong

Yan Kong

Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China

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Wei-Ping Ding

Wei-Ping Ding

Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China

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Yi-Ning Fan

Yi-Ning Fan

Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China

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Tian-Yang Yao

Tian-Yang Yao

Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China

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Qi-Jie Yan

Qi-Jie Yan

Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China

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Yi Chen

Yi Chen

Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China

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First published: 26 August 2010
Citations: 2

Abstract

Oligomeric titanium(IV) cation ([Ti(OH)x(H2O)y]&z−;)-intercalated niobate was prepared through a stepwise ion-exchange mute, in which n-decylamine was employed as a preswelling agent and titanium isopropoxide as titanium source. Titania-pillared layered niobic acid was then obtained by calcining oligomeric titanium(IV) cation-intercalated niobate at 450 °C in air. Characterization of this pillared material indicated that the material had a porous layered structure with an interlayer distance of 1.38 nm and a BET (Brunauer-Emmett-Teller) surface area of 34 m2·g−1. The layered structure was still retained after the pillared material was heated at 550 T.

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