Issue 11, 2022

KNa0.78Eu0.27In3.80B12S12: a novel hexanary thioborate featuring a B12S12 cluster and diverse InSx (x = 4, 5, 6) units

Abstract

Thioborates combine the advantages of sulfides and borates, and are a new type of multifunctional inorganic material with versatile structural features. Here, a thioborate KNa0.78Eu0.27In3.80B12S12 crystallizing with a new type of compound was synthesized by a high-temperature flux method. Its structure features a rarely discovered B12S12 cluster and diverse InSx (x = 4, 5, 6) units built in a three-dimensional {[In3.80B12S12]2.6−} polyanionic framework. The structural complexity and novelty are well elaborated. Its optical band gap was determined to be 2.28 eV, and a theoretical calculation of its electronic structure was also performed. This work not only enriches the structural chemistry of chalcogenoborates but also provides a new potential RE–B–Q family (RE = rare-earth metal; Q = S, Se). The latter may produce some interesting functionals.

Graphical abstract: KNa0.78Eu0.27In3.80B12S12: a novel hexanary thioborate featuring a B12S12 cluster and diverse InSx (x = 4, 5, 6) units

Supplementary files

Article information

Article type
Research Article
Submitted
09 mar 2022
Accepted
13 apr 2022
First published
14 apr 2022

Inorg. Chem. Front., 2022,9, 2462-2469

KNa0.78Eu0.27In3.80B12S12: a novel hexanary thioborate featuring a B12S12 cluster and diverse InSx (x = 4, 5, 6) units

S. Han, S. Yu, W. Liu and S. Guo, Inorg. Chem. Front., 2022, 9, 2462 DOI: 10.1039/D2QI00520D

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