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Enhanced optoelectronic quality of perovskite thin films with hypophosphorous acid for planar heterojunction solar cells

Abstract:

Solution-processed metal halide perovskite semiconductors, such as CH3NH3PbI3, have exhibited remarkable performance in solar cells, despite having non-negligible density of defect states. A likely candidate is halide vacancies within the perovskite crystals, or the presence of metallic lead, both generated due to the imbalanced I/Pb stoichiometry which could evolve during crystallization. Herein, we show that the addition of hypophosphorous acid (HPA) in the precursor solution can significan...

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

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Publisher copy:
10.1038/ncomms10030

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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
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
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
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Funding agency for:
Stergiopoulos, T
Publisher:
Nature Publishing Group Publisher's website
Journal:
Nature Communications Journal website
Volume:
6
Pages:
Article: 10030
Publication date:
2015
DOI:
ISSN:
2041-1723
URN:
uuid:9ce3e1a6-ccd5-4e50-b99d-63a435eb8ac7
Source identifiers:
577740
Local pid:
pubs:577740

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