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Synthesis, crystal structure, and optical properties of Ba2SbO2SX (X = Br, I) oxy-chalcohalides
Luo, Mengjia; Bu, Kejun; Liu, Yiting; Wang, Ruiqi; Zhang, Xian; Zheng, Chong; Jin, Qingyuan; Zhang, Xiaolei; Huang, Fuqiang
2019-10-01
Source PublicationJOURNAL OF SOLID STATE CHEMISTRY
ISSN0022-4596
Volume278
SubtypeArticle
AbstractTwo isostructural compounds, Ba2SbO2SX (X=Br, I), have been successfully synthesized via solid state reaction. Their structures belong to the space group C-2h(2) - P21/m (No. 11) of the monoclinic system. They feature a quasi two- dimensional (2D) network of distorted capped trigonal prisms [XBa7](13+) along the a-b plane intercalated by (SbSO2)(3-) triangular pyramid. The optical band gaps of Ba2SbO2SBr and Ba2SbO2SI are 1.93 eV ad 2.03 eV, respectively. Ba2SbO2SI also exhibits an emission peak at 579 nm under 375 nm radiation. First-principles calculation reveals that the optical absorptions of Ba2SbO2SX are mainly attributed to the S-3p -> Sb-5p transitions. The photoluminescence emission of Ba2SbO2SI is mainly contributed by the excitation of the states of the Sb-S bonds.
KeywordOxy-chalcohalide New compound Fluorescence
DOI10.1016/j.jssc.2019.06.016
Language英语
WOS Research AreaChemistry
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26793
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Luo, Mengjia,Bu, Kejun,Liu, Yiting,et al. Synthesis, crystal structure, and optical properties of Ba2SbO2SX (X = Br, I) oxy-chalcohalides[J]. JOURNAL OF SOLID STATE CHEMISTRY,2019,278.
APA Luo, Mengjia.,Bu, Kejun.,Liu, Yiting.,Wang, Ruiqi.,Zhang, Xian.,...&Huang, Fuqiang.(2019).Synthesis, crystal structure, and optical properties of Ba2SbO2SX (X = Br, I) oxy-chalcohalides.JOURNAL OF SOLID STATE CHEMISTRY,278.
MLA Luo, Mengjia,et al."Synthesis, crystal structure, and optical properties of Ba2SbO2SX (X = Br, I) oxy-chalcohalides".JOURNAL OF SOLID STATE CHEMISTRY 278(2019).
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