Ionothermal Syntheses of Nano- and Microstructured Ternary Copper–Indium–Chalcogenides

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Abstract

Ternary compounds of copper indium selenide nano- and microsized materials were prepared through colloidal synthesis using an indium(III) selenide precursor and copper(I) chloride via a microwave-assisted ionothermal route. The indium(III) selenide precursor used in the reaction was formed in situ from a diphenyl diselenide precursor and chloroindate(III) ionic liquids (ILs), also via a microwave-assisted ionothermal route. The crystal structures of three intermediates, namely, CuCl2(OMe)2(H2O)){Cu(PhSeO2)2}n, [CuCl(Se2Ph2)2]n, and [C8mim]3{Cu(I)Cl2Cu(II)OCl8}n, were determined after formation through a ionothermal procedure utilizing metal-containing imidazolium ILs and a selenium precursor with conventional heating. Herein, we compare the use of microwave irradiation over conventional heating with different ILs on the stoichiometry of the resulting products. The influence of the reaction temperature, reaction time, order of addition of reagents, and variation of ILs, which were characterized using PXRD, SEM, and EDX, on the final products was investigated.

Original languageEnglish
Pages (from-to)4495-503
Number of pages9
JournalInorganic Chemistry
Volume54
Issue number9
Early online date21 Apr 2015
DOIs
Publication statusPublished - 2015

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