Low temperature synthesis of barium oxynitridosilicates using BaCN2 and SiO2

Masubuchi, Yuji; Sada, Naoki; Kawahara, Yoshiteru et al.

Dalton transactions, 2021, 50(17), 5883-5889

Permalink : https://hdl.handle.net/2115/84429

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アクセス権
open access
URI
https://hdl.handle.net/2115/84429
タイトル
Low temperature synthesis of barium oxynitridosilicates using BaCN2 and SiO2
著者
Masubuchi, Yuji ; Sada, Naoki ; Kawahara, Yoshiteru ; Arai, Kenji ; Motohashi, Teruki ; Higuchi, Mikio
e-Rad_Researcher
80466440
著者名
Masubuchi, Yuji
著者名
Sada, Naoki
著者名
Kawahara, Yoshiteru
著者名
Arai, Kenji
著者名
Motohashi, Teruki
e-Rad_Researcher
40198990
著者名
Higuchi, Mikio
言語
英語
発行日
2021-05-07
出版者
Royal Society of Chemistry
収録物名
Dalton transactions
巻(号)
50(17)
ページ
5883-5889
抄録
Barium oxynitridosilicates, Ba3Si6O12N2 and Ba3Si6O9N4, were obtained from a mixture of BaCN2 and SiO2 at 800 degrees C, which is several hundred degrees lower than the temperature required in solid state reactions using BaCO3, SiO2 and Si3N4. The low-temperature formation mechanism was investigated by thermogravimetry analysis in conjunction with gas chromatography and mass spectroscopy. The phase ratio between the oxynitridosilicates was controlled by tuning the reaction temperature, duration, and atmosphere. Almost single-phase Ba3Si6O12N2 was obtained by reaction at 800 degrees C for 15 h under a N-2 atmosphere, but the product changed to Ba3Si6O9N4 after 50 h at 800 degrees C or by heating at 950 degrees C for 15 h. The photoluminescence properties of Eu-doped products obtained at 800 degrees C using a mixture of BaCN2 : Eu and SiO2 were investigated.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
PISSN
1477-9226
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1039/d1dt00824b