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Title: Study of inverted planar CH3NH3PbI3 perovskite solar cells fabricated under environmental conditions
Authors: Montoya Ovalle, Marco Polo
Sidhik, Siraj
Esparza Salazar, Diego
López Luke, Tzarara
Zarazua, Isaac
Rivas Martínez, Jesús Manuel
De la Rosa, Elder
Issue Date: 1-Mar-2019
Publisher: Elsevier
Abstract: Organic-inorganic inverted perovskite solar cells have been analyzed. This structure uses organic semiconductors as electron and hole selective electrodes and the perovskite as light harvesting layer. The anti-solvent deposition method is a frequently used techniques in the elaboration of conventional perovskite solar cells (FTO/TiO2/ CH3NH3PbI3/Spiro-OMetad/Au). However, the anti-solvent method is seldom used in the inverted structure. In this work, we use the anti-solvent method to fabricate the perovskite film for solar cells in the ITO/PEDOT:PSS/ CH3NH3PbI3/PC61BM/Ag configuration, systematically studying the effect of the anti-solvent dripping time and the relative humidity in cell fabrication and performance. The morphological, optical and photovoltaic analyses indicate that the right combination of these two parameters will result in a preferential crystal growth in the (1 1 0) orientation. This allows the formation of homogeneous pinhole-free films that enhance light harvesting and reduce charge-carrier leakage, hence increasing short circuit current and fill factor to obtain a photo-con- version efficiency of about ∼10%.
ISSN: 0038-092X
Other Identifiers: info:eu-repo/semantics/publishedVersion
Appears in Collections:*Documentos Académicos*-- M. en Ciencias de la Ing.

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