Origin of vertical orientation in two-dimensional metal halide perovskites and its effect on photovoltaic performance

Alexander Z. Chen; Michelle Shiu; Jennifer H. Ma; Matthew R. Alpert; Depei Zhang; Benjamin J. Foley; Detlef-M. Smilgies; Seung-Hun Lee; Joshua J. Choi

doi:10.1038/s41467-018-03757-0

Nature Communications (Apr 2018)

Origin of vertical orientation in two-dimensional metal halide perovskites and its effect on photovoltaic performance

Alexander Z. Chen,
Michelle Shiu,
Jennifer H. Ma,
Matthew R. Alpert,
Depei Zhang,
Benjamin J. Foley,
Detlef-M. Smilgies,
Seung-Hun Lee,
Joshua J. Choi

Affiliations

Alexander Z. Chen: Department of Chemical Engineering, University of Virginia
Michelle Shiu: Department of Chemical Engineering, University of Virginia
Jennifer H. Ma: Department of Chemical Engineering, University of Virginia
Matthew R. Alpert: Department of Chemical Engineering, University of Virginia
Depei Zhang: Department of Physics, University of Virginia
Benjamin J. Foley: Department of Chemical Engineering, University of Virginia
Detlef-M. Smilgies: Cornell High Energy Synchrotron Source, Cornell University
Seung-Hun Lee: Department of Physics, University of Virginia
Joshua J. Choi: Department of Chemical Engineering, University of Virginia

DOI: https://doi.org/10.1038/s41467-018-03757-0
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 7

Abstract

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It is desirable to align the two-dimensional perovskite layers vertical to the electrodes to maximize device performance but the formation mechanism is unclear. Here Chen et al. reveal that the film formation starts at the liquid-air interface and is thus independent of the choice of substrates.

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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