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ID 50642
著者
Sakata, Takuya
Yoshiyuki, Risa
Okada, Ryoki
Urushidani, Sohta
Tarutani, Naoki 大学院先進理工系科学研究科 広大研究者総覧
Katagiri, Kiyofumi 大学院先進理工系科学研究科 広大研究者総覧
Inumaru, Kei 大学院先進理工系科学研究科 広大研究者総覧
Koyama, Kyohei
Masubuchi, Yuji
抄録(英)
A facile method was successfully developed to prepare strontium–tantalum perovskite oxynitride, SrTaO2N, and its solid solutions. Urea was employed as a solid nitriding agent to eliminate the use of toxic NH3 gas. In addition, utilization of sol–gel-derived Ta2O5 gel as a Ta precursor allowed for completion of nitridation within a shorter period and at a lower calcination temperature compared with the conventional ammonolysis process. Optimization of the reaction conditions, such as the urea content, allowed for the production of solid solutions of SrTaO2N and Sr1.4Ta0.6O2.9. The products exhibited optical absorption and chromatic colors because of the narrower band gaps of oxynitrides compared with those of oxides. The O/N ratios of the solid solutions were easily adjusted by varying the amount of urea in the mixture of precursors. As a result, the colors of the products ranged from yellow to brown. The nitridation process and products developed in this study are interesting environmentally benign alternatives to conventional inorganic pigments.
内容記述
This work was supported by JSPS KAKENHI (Grant Numbers JP16H06439, JP17H03392, JP17H05483, JP18K19132, JP19H04699, and JP20H02439).
掲載誌名
Inorganic Chemistry
60巻
7号
開始ページ
4852
終了ページ
4859
出版年月日
2021-02-25
出版者
American Chemical Society
ISSN
0020-1669
1520-510X
出版者DOI
言語
英語
NII資源タイプ
学術雑誌論文
広大資料タイプ
学術雑誌論文
DCMIタイプ
text
フォーマット
application/pdf
著者版フラグ
author
権利情報
This document is the Accepted Manuscript version of a Published Work that appeared in final form in Inorganic Chemistry, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.inorgchem.0c03758.
This is not the published version. Please cite only the published version. この論文は出版社版ではありません。引用の際には出版社版をご確認、ご利用ください。
関連情報URL
部局名
先進理工系科学研究科
備考
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