Effect of calcination conditions on porous reduced titanium oxides and oxynitrides via a preceramic polymer route

George Hasegawa, Tatsuya Sato, Kazuyoshi Kanamori, Cheng Jun Sun, Yang Ren, Yoji Kobayashi, Hiroshi Kageyama, Takeshi Abe, Kazuki Nakanishi

研究成果: ジャーナルへの寄稿学術誌査読

11 被引用数 (Scopus)

抄録

A preceramic polymer route from Ti-based inorganic-organic hybrid networks provides electroconductive N-doped reduced titanium oxides (Ti n O 2n-1 ) and titanium oxynitrides (TiO x N y ) with a monolithic shape as well as well-defined porous structures. This methodology demonstrates an advantageously lower temperature of the crystal phase transition compared to the reduction of TiO 2 by carbon or hydrogen. In this study, the effect of calcination conditions on various features of the products has been explored by adopting three different atmospheric conditions and varying the calcination temperature. The detailed crystallographic and elemental analyses disclose the distinguished difference in the phase transition behavior with respect to the calcination atmosphere. The correlation between the crystallization and nitridation behaviors, porous properties, and electric conductivities in the final products is discussed.

本文言語英語
ページ(範囲)2802-2808
ページ数7
ジャーナルInorganic chemistry
54
6
DOI
出版ステータス出版済み - 3月 16 2015
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 物理化学および理論化学
  • 無機化学

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