TOP > 外国特許検索 > Method for producing perovskite metal oxynitride

Method for producing perovskite metal oxynitride

外国特許コード F170009052
整理番号 J1014-14WO
掲載日 2017年4月26日
出願国 アメリカ合衆国
出願番号 201515125469
公報番号 20170073229
出願日 平成27年1月9日(2015.1.9)
公報発行日 平成29年3月16日(2017.3.16)
国際出願番号 JP2015050543
国際公開番号 WO2015136953
国際出願日 平成27年1月9日(2015.1.9)
国際公開日 平成27年9月17日(2015.9.17)
優先権データ
  • 特願2014-050740 (2014.3.13) JP
  • 2015WO-JP50543 (2015.1.9) WO
発明の名称 (英語) Method for producing perovskite metal oxynitride
発明の概要(英語) (US20170073229)
The method for producing a perovskite metal oxynitride of the present invention, comprises: a hydrogenation step (A) of forming a perovskite oxyhydride in which an oxide ion (O2-) and a hydride ion (H-) coexist, by reducing a perovskite oxide through a reductive oxygen elimination reaction using a metal hydride; and a nitriding step (B) of forming a perovskite oxynitride containing a nitride ion (N3-) by heat-treating the perovskite oxyhydride in the presence of a nitrogen source substance at a temperature of 300° C. or higher and 600° C. or lower and exchanging the hydride ion (H-) for a nitride ion (N3-).
特許請求の範囲(英語) [claim1]
1. A method for producing a perovskite metal oxynitride, comprising: a hydrogenation step (A) of forming a perovskite oxyhydride in which an oxide ion (O2-) and a hydride ion (H-) coexist, by reducing a perovskite oxide through a reductive oxygen elimination reaction using a metal hydride; and
a nitriding step (B) of forming a perovskite oxynitride containing a nitride ion (N3-) by heat-treating the perovskite oxyhydride in the presence of a nitrogen source substance at a temperature of 300 deg. C. or higher and 600 deg. C. or lower and exchanging the hydride ion (H-) for a nitride ion (N3-).
[claim2]
2. The method for producing a perovskite metal oxynitride according to claim 1 wherein the nitrogen source substance in the nitriding step (B) is an ammonia gas flow.
[claim3]
3. The method for producing a perovskite metal oxynitride according to claim 1 wherein the nitrogen source substance in the nitriding step (B) is an ammonia gas-generating agent.
[claim4]
4. The method for producing a perovskite metal oxynitride according to claim 1 wherein the nitrogen source substance in the nitriding step (B) is a nitrogen gas flow.
[claim5]
5. The method for producing a perovskite metal oxynitride according to claim 1 wherein the perovskite oxide is a compound represented by the formula An+1BnO3n+1 (in the formula, n is any one of 1, 2, 3 and infin , A is at least one of Ca, Ba, Sr, Pb and Mg, and B is at least one of Co, W, Mo, V, Ta, Zr, Nb, Ti and Hf), and the perovskite oxyhydride is a compound represented by the formula An+1Bn(O1-xHx)3n+1 (in the formula, A and B are the same as those of the starting substance, H is a hydride ion (H-) which has substituted an oxide ion, 0.01 <= x <= 0.2, and n is any one of 1, 2, 3 and infin ).
[claim6]
6. The method for producing a perovskite metal oxynitride according to claim 1 wherein the forms of the perovskite oxide, the perovskite oxyhydride and the perovskite metal oxynitride are powder or a thin film.
  • 発明者/出願人(英語)
  • KAGEYAMA HIROSHI
  • KOBAYASHI YOJI
  • AIZU KOHEI
  • YOSHIMUNE WATARU
  • HOSONO HIDEO
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
国際特許分類(IPC)
ライセンスをご希望の方、特許の内容に興味を持たれた方は、問合せボタンを押してください。

PAGE TOP

close
close
close
close
close
close