Issue 79, 2024

Unusual defect properties of the one-dimensional photovoltaic semiconductor selenium

Abstract

Defect tolerance is crucial in photovoltaic absorbers. Here we report that trigonal selenium (t-Se) exhibits a perovskite-like antibonding valence band maximum arising from Se p–p coupling. This results in the shallow nature of dominant Se vacancy defects. We further reveal the unique defect self-healing characteristic of Se intrinsic point defects.

Graphical abstract: Unusual defect properties of the one-dimensional photovoltaic semiconductor selenium

Supplementary files

Article information

Article type
Communication
Submitted
28 jun 2024
Accepted
05 sep 2024
First published
06 sep 2024

Chem. Commun., 2024,60, 11092-11095

Unusual defect properties of the one-dimensional photovoltaic semiconductor selenium

Z. Li, X. An, X. Wang, W. Lu, X. Wen, X. Zhang and D. Xue, Chem. Commun., 2024, 60, 11092 DOI: 10.1039/D4CC03174A

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