首页|KNa0.78Eu0.27In3.80B12S12: a novel hexanary thioborate featuring a B12S12 cluster and diverse InSx (x=4, 5, 6) units
KNa0.78Eu0.27In3.80B12S12: a novel hexanary thioborate featuring a B12S12 cluster and diverse InSx (x=4, 5, 6) units
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NSTL
Royal Soc Chemistry
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-)}(infinity) 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.
NSTL
Royal Soc Chemistry
