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Photon Re-Absorption Masks Intrinsic Bimolecular Charge-Carrier Recombination in CH3NH3PbI3 Perovskite

Abstract:

An understanding of charge-carrier recombination processes is essential for the development of hybrid metal halide perovskites for photovoltaic applications. We show that typical measurements of the radiative bimolecular recombination constant in CH3NH3PbI3 are strongly affected by photon re-absorption which masks a much larger intrinsic bimolecular recombination rate constant. By investigating a set of films whose thickness varies between 50nm and 533nm, we find that the bimolecular charge r...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1021/acs.nanolett.7b02834

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Schlipf, J More by this author
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Engineering and Physical Sciences Research More from this funder
Solar Technologies Go Hybrid More from this funder
Nanosystems Initiative Munich More from this funder
Publisher:
American Chemical Society Publisher's website
Journal:
Nano Letters Journal website
Volume:
17
Issue:
9
Pages:
5782–5789
Publication date:
2017-08-09
Acceptance date:
2017-07-05
DOI:
EISSN:
1530-6992
ISSN:
1530-6984
Pubs id:
pubs:713251
URN:
uri:a6e09f1e-f508-4cde-8f5a-1bd19e9ca119
UUID:
uuid:a6e09f1e-f508-4cde-8f5a-1bd19e9ca119
Local pid:
pubs:713251

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