Publication Date

3-13-2018

Department

Ames Laboratory; Chemistry; Chemical and Biological Engineering

Campus Units

Chemical and Biological Engineering, Chemistry, Ames Laboratory

OSTI ID+

1556931

Report Number

IS-J 9654

DOI

10.1039/C7CC07223F

Journal Title

Chemical Communications

Volume Number

54

Issue Number

29

First Page

3640

Last Page

3643

Abstract

Perovskite-phase cesium bismuth halide (Cs3Bi2X9; X = Cl, Br, I) nanocrystals were synthesized using a hot-injection approach. These nanocrystals adopted ordered-vacancy perovskite crystal structures and demonstrated composition-tunable optical properties. Growth occurred by initial formation of Bi0 seeds, and morphology was controlled by precursor and seed concentration. The Cs3Bi2I9 nanocrystals demonstrated excellent stability under ambient conditions for several months. Contrary to previous reports, we find that photoluminescence originates from the precursor material as opposed to the Cs3Bi2X9 nanocrystals.

DOE Contract Number(s)

AC02-07CH11358

Language

en

Department of Energy Subject Categories

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Publisher

Iowa State University Digital Repository, Ames IA (United States)

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