Large polarization-dependent exciton optical Stark effect in lead iodide perovskites

Ye Yang; Mengjin Yang; Kai Zhu; Justin C. Johnson; Joseph J. Berry; Jao van de Lagemaat; Matthew C. Beard

doi:10.1038/ncomms12613

Nature Communications (Aug 2016)

Large polarization-dependent exciton optical Stark effect in lead iodide perovskites

Ye Yang,
Mengjin Yang,
Kai Zhu,
Justin C. Johnson,
Joseph J. Berry,
Jao van de Lagemaat,
Matthew C. Beard

Affiliations

Ye Yang: Chemistry and Nanoscience Center, National Renewable Energy Laboratory
Mengjin Yang: Chemistry and Nanoscience Center, National Renewable Energy Laboratory
Kai Zhu: Chemistry and Nanoscience Center, National Renewable Energy Laboratory
Justin C. Johnson: Chemistry and Nanoscience Center, National Renewable Energy Laboratory
Joseph J. Berry: Chemistry and Nanoscience Center, National Renewable Energy Laboratory
Jao van de Lagemaat: Chemistry and Nanoscience Center, National Renewable Energy Laboratory
Matthew C. Beard: Chemistry and Nanoscience Center, National Renewable Energy Laboratory

DOI: https://doi.org/10.1038/ncomms12613
Journal volume & issue: Vol. 7, no. 1
pp. 1 – 5

Abstract

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The band gap of bulk semiconductors widens when excited by sub-bandgap wavelengths at low temperature—it’s the optical Stark effect. Here, the authors measure a room temperature optical Stark effect in lead halide perovskite films, due to their well-resolved excitonic transitions.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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