Structural, Electronic, and Optical Properties of K2Sn3O7 with an Offset Hollandite Structure

Rebecca D. McAuliffe, Christopher A. Miller, Xiao Zhang, Benjamin S. Hulbert, Ashfia Huq, Clarina Dela Cruz, André Schleife, Daniel P. Shoemaker

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

We present the compound K2Sn3O7, a Sn4+-containing oxide with a unique structure type among oxides. The compound is orthorhombic and reminiscent of an offset hollandite, where open channels hold a row of four K+ per channel per cell. UV-visible spectroscopy indicates a wide band gap semiconductor, which is confirmed by first-principles electronic-structure calculations of band structures, densities of states, and optical properties. The continued discovery of new structure types in ternary tin oxides should remain a priority for the identification of prospective ion conductors and transparent conducting compounds.

Original languageEnglish
Pages (from-to)2914-2918
Number of pages5
JournalInorganic Chemistry
Volume56
Issue number5
DOIs
StatePublished - Mar 6 2017

Bibliographical note

Publisher Copyright:
© 2017 American Chemical Society.

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