Improving the light harvesting and colour range of methyl ammonium lead tri-bromide (MAPbBr) perovskite solar cells through co-sensitisation with organic dyes

Co-sensitisation of methylammonium lead tri-bromide perovskite solar cells with red (D205) and blue (SQ2) organic dyes improves device efficiencies and allows device colour tuning. Sensitising the film after perovskite crystallisation produces higher device efficiencies (2.6% SQ2, 3.1% D205) than pe...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2019, Vol.55 (1), p.35-38
Main Authors: McFarlane, Tamara D, De Castro, Catherine S, Holliman, Peter J, Davies, Matthew L
Format: Article
Language:English
Subjects:
Color
Crystallization
Dyes
Perovskites
Photovoltaic cells
Solar cells
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Summary:Co-sensitisation of methylammonium lead tri-bromide perovskite solar cells with red (D205) and blue (SQ2) organic dyes improves device efficiencies and allows device colour tuning. Sensitising the film after perovskite crystallisation produces higher device efficiencies (2.6% SQ2, 3.1% D205) than perovskite-only devices (2%) and devices sensitised before the perovskite layer deposition (1.5% SQ2, 2.0% D205). We demonstrate improved performance and colour control of tri-bromide perovskite through co-sensitisation with organic dyes.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc07298a