Issue 55, 2022

Semiconducting silicon–phosphorus frameworks for caging exotic polycations

Abstract

A series of novel semiconductors AAe6Si12P20X (A = Na, K, Rb, Cs; Ae = Sr, Ba; X = Cl, Br, I) is reported. Their crystal structures feature a tetrahedral Si–P framework with large zeolite-like pores hosting two types of cations, monoatomic A+ and unprecedented octahedral X@Ae611+. Mixing of the A and Ba cations was detected by single crystal X-ray diffraction and confirmed by multinuclear solid state NMR. The reported compounds are highly stable semiconductors with a bandgap range from 1.4 to 2.0 eV.

Graphical abstract: Semiconducting silicon–phosphorus frameworks for caging exotic polycations

Supplementary files

Article information

Article type
Communication
Submitted
25 Apr. 2022
Accepted
02 Jūn. 2022
First published
03 Jūn. 2022
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2022,58, 7622-7625

Semiconducting silicon–phosphorus frameworks for caging exotic polycations

P. Yox, A. P. Porter, R. W. Dorn, V. Kyveryga, A. J. Rossini and K. Kovnir, Chem. Commun., 2022, 58, 7622 DOI: 10.1039/D2CC02304K

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