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Enhanced photovoltage for inverted planar heterojunction perovskite solar cells

Abstract:

The highest power conversion efficiencies (PCEs) reported for perovskite solar cells (PSCs) with inverted planar structures are still inferior to those of PSCs with regular structures, mainly because of lower open-circuit voltages (Voc). Here we report a strategy to reduce nonradiative recombination for the inverted devices, based on a simple solution-processed secondary growth technique. This approach produces a wider bandgap top layer and a more n-type perovskite film, which mitigates nonra...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1126/science.aap9282

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ORCID:
0000-0002-8977-7267
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ORCID:
0000-0002-3188-238X
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Condensed Matter Physics
ORCID:
0000-0002-3081-0472
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ORCID:
0000-0003-2832-4894
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ORCID:
0000-0003-3089-1070
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973 Program of China More from this funder
National Natural Science Foundation of China More from this funder
Engineering and Physical Sciences Research Council More from this funder
Air Force Office of Scientific Research More from this funder
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Publisher:
American Association for the Advancement of Science Publisher's website
Journal:
Science Journal website
Volume:
360
Issue:
6396
Pages:
1442-1446
Publication date:
2018-06-29
Acceptance date:
2018-05-02
DOI:
EISSN:
1095-9203
ISSN:
0036-8075
Pubs id:
pubs:862158
URN:
uri:fdd18b62-0058-46b8-bc33-2d9cb82cc530
UUID:
uuid:fdd18b62-0058-46b8-bc33-2d9cb82cc530
Local pid:
pubs:862158
Language:
English
Keywords:

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