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Title: The influence of additives in the stoichiometry of hybrid lead halide perovskites
Authors: Burgues-Ceballos, Ignasi 
Savva, Achilleas 
Georgiou, Efthymios 
Kapnisis, Konstantinos 
Papagiorgis, Paris 
Mousikou, Androniki 
Itskos, Grigorios 
Othonos, Andreas 
Choulis, Stelios A. 
Keywords: Additives;Cell engineering;Perovskite;Solar cells;Perovskite solar cells;Halide perovskites;Perovskite solids
Category: Materials Engineering
Field: Engineering and Technology
Issue Date: 19-Jul-2018
Publisher: American Institute of Physics Inc.
Source: AIP Advances, 2017, Volume 7, Issue 11, Article number 115304
Abstract: We investigate the employment of carefully selected solvent additives in the processing of a commercial perovskite precursor ink and analyze their impact on the performance of organometal trihalide perovskite (CH3NH3PbI3-xClx) photovoltaic devices. We provide evidence that the use of benzaldehyde can be used as an effective method to preserve the stoichiometry of the perovskite precursors in solution. Benzaldehyde based additive engineering shows to improve perovskite solid state film morphology and device performance of CH3NH3PbI3-xClx based solar cells.
ISSN: 2158-3226
Rights: © 2017 Author(s).
Type: Article
Appears in Collections:Άρθρα/Articles

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