Preparation of Porous Three-Dimensional Quaternary Thioantimonates(III) ACuSb2S4 (A = Rb, Cs) through a Surfactant-Thermal Method
Preparation of Porous Three-Dimensional Quaternary Thioantimonates(III) ACuSb2S4 (A = Rb, Cs) through a Surfactant-Thermal Method
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DOI：
10.1002/asia.201500867
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发表时间：
2015-12-01
影响因子：
4.1
通讯作者：
Zhang, Qichun
中科院分区：
文献类型：
--
作者：
Shen, Yaying;Liu, Chang;Zhang, Qichun
以中性表面活性剂PEG-400 （PEG =聚乙二醇）为反应介质，成功合成了两种新型多孔三维（3D）季硫锑酸盐（III） ACuSb(2)S(4) (A = Rb, Cs)，它们与已知的具有二维（2D）晶体结构的季A- cu - sb -S硫锑酸盐（III）有显著不同。这是首次在表面活性剂介质中制备出晶体型季硫族化合物。实验和理论研究都证实它们是具有窄带隙的半导体。我们的研究结果表明，表面活性剂-热策略可以为探索具有不同晶体结构和有趣的物理化学性质的新型硫属化合物提供新的机会。
Two novel porous three-dimensional (3D) quaternary thioantimonates(III) ACuSb(2)S(4) (A = Rb, Cs) were successfully synthesized by employing the neutral surfactant PEG-400 (PEG = polyethyleneglycol) as reaction media, these are significantly different from the known quaternary A-Cu-Sb-S thioantimonates(III) with two-dimensional (2D) crystal structures. This is the first time that crystalline quaternary chalcogenides have been prepared in surfactant media. Both experimental and theoretical studies confirm they are semiconductors with narrow band gaps. Our results demonstrated that the surfactant-thermal strategy could offer a new opportunity to explore novel chalcogenides with diverse crystal structures and interesting physicochemical properties.