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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:
Nature Publishing Group Publisher's website
Journal:
Nature Communications Journal website
Volume:
6
Publication date:
2015-11-30
Acceptance date:
2015-10-28
ISSN:
2041-1723
Pubs id:
pubs:577739
URN:
uri:da38ae7e-db82-4868-8131-8f21bb3d3936
UUID:
uuid:da38ae7e-db82-4868-8131-8f21bb3d3936
Local pid:
pubs:577739
Keywords:

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