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Facile One-Step Syntheses of Several Complex Ionic Lithium Gallates from LiGa as Intermetallic Precursors
Chemistry of Materials ( IF 7.2 ) Pub Date : 2020-01-08 , DOI: 10.1021/acs.chemmater.9b04540
Jonathan Sappl 1 , Felix Jung 1 , Constantin Hoch 1
Affiliation  

We have employed the intermetallic phase LiGa as a precursor for the preparation of LiGaO2, LiGaS2, LiGa5O8, and Li3GaN2, presenting a new and convenient way to synthesize these compounds. They have high potential for application in optical and electrochemical devices, but their reported standard syntheses require sophisticated high-temperature solid-state preparation methods. With LiGa-based precursor routes, oxo-, thio-, and nitridogallates can be obtained in simple one-step reactions under comparatively mild conditions. LiGaO2 and LiGaS2 were revisited in terms of crystal structure, ion conductivity, and calculated electronic structure. LiGa5O8 and Li3GaN2 were found as byproducts and are of potential interest for applications themselves. The use of intermetallic phases as precursor materials is in general a valuable yet widely underestimated pathway for simple preparative access to functional materials.

中文翻译:

利加锂作为金属间前体的几种复杂离子型没食子酸锂的简便一步合成

我们已经使用金属间相LiGa作为前驱体来制备LiGaO 2,LiGaS 2,LiGa 5 O 8和Li 3 GaN 2,为合成这些化合物提供了一种新的便捷方法。它们在光学和电化学设备中具有很高的应用潜力,但其报道的标准合成方法需要复杂的高温固态制备方法。使用基于LiGa的前体路线,可以在相对温和的条件下通过简单的一步反应即可获得羟基,硫代和亚硝基没食子酸酯。LiGaO 2和LiGaS 2考察了晶体结构,离子电导率和计算的电子结构。发现LiGa 5 O 8和Li 3 GaN 2是副产物,它们本身对于应用具有潜在的意义。金属间相作为前体材料的使用通常是有价值的但被低估的途径,用于简单地制备功能性材料。
更新日期:2020-01-08
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