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Heavy Chalcogenide‐Based Ionic Liquids in Syntheses of Metal Chalcogenide Materials near Room Temperature

机译:基于硫属化物的离子液体在室温附近的金属硫属化物材料中的合成

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摘要

This minireview describes two strategically different and unexplored approaches to use ionic liquids (IL) containing weakly solvated and highly reactive chalcogenide anions [E‐SiMe3]− and [E−H]− of the heavy chalcogens (E=S, Se, Te) in materials synthesis near room temperature. The first strategy involves the synthesis of unprecedented trimethylsilyl chalcogenido metalates Cat+[M(E‐SiMe3)n]− (Cat=organic IL cation) of main group and transition metals (M=Ga, In, Sn, Zn, Cu, Ag, Au). These fully characterized homoleptic metalates serve as thermally metastable precursors in low‐temperature syntheses of binary, ternary and even quaternary chalcogenide materials such as CIGS and CZTS relevant for semiconductor and photovoltaics (PV) applications. Furthermore, thermally and protolytically metastable coinage metalates Cat+[M(ESiMe3)2]− (M=Cu, Ag, Au; E=S, Se) are accessible. Finally, the use of precursors BMPyr[E‐SiMe3] (E=Se,Te; BMPyr=1‐butyl‐1‐methylpyrrolidinium) as sources of activated selenium and tellurium in the synthesis of high‐grade thermoelectric nanoparticles Bi2Se3 and Bi2Te3 is shortly highlighted. The second synthesis strategy involves the metalation of ionic liquids Cat[S−H] and Cat[Se−H] by protolytically highly active metal alkyls or amides RnM. This rather general approach towards unknown chalcogenido metalates Catm[Rn‐1M(E)]m (E=S, Se) will be demonstrated in a research paper following this short review head‐to‐tail.
机译:该MIIREVIEW介绍了使用含有弱溶解的离子液体(IL)的两种战略性和未探测的方法,含有弱溶剂和高反应性的硫属化物阴离子[E-SIME3] - 和[E-H] - 浓度的胆碱(E = S,SE,TE)在室温附近的材料合成中。第一策略涉及合成前所未有的三甲基甲硅烷基金属金属酸盐+ [M(E-SIME3)N] - (猫=有机IL阳离子)的主要组和过渡金属(M = Ga,In,Sn,Zn,Cu,Ag, au)。这些完全表征的孔化物质用作二元,三元甚至季硫族化物材料的低温合成中的热稳定性前体,例如用于半导体和光伏(PV)应用的CIGS和CZT。此外,可以访问热和溶解的稳定性卷曲金属酸盐酸+ [m(esime3)2] - (m = Cu,Ag,au; e = s,se)。最后,使用前体Bmpyr [E-SIME3](E = SE,TE; BMPYR = 1-丁基-1-甲基吡咯烷)作为活化硒和碲在合成的高级热电纳米粒子BI2SE3和BI2TE3中的来源突出了。第二合成策略涉及离子液体猫的金属化物质通过质量高活性金属烷基或酰胺RNM来通过溶解的离子液体猫[S-H]和CAT [SE-H]。这种相当一般的方法对未知的胆碱金属蛋白酶catm [RN-1M(e)] m(e = s,se)将在此简短审查头部到尾部的研究纸上进行说明。

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