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Direct observation of ultrafast exciton dissociation in lead iodide perovskite by 2D electronic spectroscopy

Abstract:

The unprecedented success of hybrid organic-inorganic lead halide perovskites in photovoltaics motivates fundamental research to unravel the underlying microscopic mechanism for photoinduced charge generation. Recent studies suggest that most photoexcitations in perovskites are free charge carriers, although the contribution of the electron-hole pairs (i.e., excitons) at room temperature has been a matter of debate. We have employed ultrafast two-dimensional (2D) electronic spectroscopy to di...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1021/acsphotonics.7b01025

Authors


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Role:
Author
ORCID:
0000-0002-4489-518X
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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 Division
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
ORCID:
0000-0001-8511-790X
Publisher:
American Chemical Society
Journal:
ACS Photonics More from this journal
Volume:
5
Issue:
3
Pages:
852-860
Publication date:
2017-12-22
Acceptance date:
2017-12-22
DOI:
EISSN:
2330-4022
Language:
English
Keywords:
Pubs id:
pubs:834305
UUID:
uuid:fb667492-6e77-4077-8a45-4bf31f0c9a7c
Local pid:
pubs:834305
Source identifiers:
834305
Deposit date:
2019-09-23

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