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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

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Publisher copy:
10.1021/acs.nanolett.7b02834

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
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:
2017-07-01
DOI:
EISSN:
1530-6992
ISSN:
1530-6984
Source identifiers:
713251
Language:
English
Keywords:
Pubs id:
pubs:713251
UUID:
uuid:a6e09f1e-f508-4cde-8f5a-1bd19e9ca119
Local pid:
pubs:713251
Deposit date:
2017-08-14

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