Abstracts Book - IMRC 2018

• SC4-P112
INVERTED STRUCTURE OF PEROVSKITE SOLAR CELL FABRICATED
UNDER AMBIENT CONDITIONS
Marco Polo 1 , Siraj Sidhik 2 , Andrea Cerdan Pasaran 2 , Diego Esparza 1 , Tzarara Lopez Luke 2 , J. M.
Rivas 1 , Elder de la Rosa Cruz 2
1
Universidad Autónoma de Zacatecas, Unidad Académica de Ingeniería Eléctrica, Mexico.
2 Centro de Investigaciones en Optica, Fotonica, Mexico.
Organic-inorganic inverted structure perovskite solar cells have been analyzed.
In this structure, the organic material is used for electron and hole transport
while the perovskite layer is used for photoactive light absorption. Depositing
the perovskite film is commonly achieved with the anti-solvent method that is
used to obtain the conventional configuration FTO/TiO2/CH3NH3PbI3/Spiro-
OMeTAD/Ag. However, the anti-solvent method has rarely been used to obtain
an inverted structure. In this work, we use the anti-solvent method to fabricate
the perovskite film in the inverted configuration
ITO/PEDOT:PSS/CH3NH3PbI3/PCBM/Ag. This method enhances the grain size of
the perovskite films and the quality of the crystal depends of the atmosphere of
deposition. If the perovskite films are deposited under ambient conditions the
efficiency is about ~9%. These results indicated that the quality of the perovskite
film in the inverted configuration depends of the parameters of deposition.
Further improvement in efficiency is expected with the optimization of
additional layers.
Acknowledgment:
We acknowledge financial support CONACYT through grant 134111, the UC-
MEXUS program grant 00007, the European Community Seven Framework
Program (FP7- 428 NMP-2010-EU-MEXICO), CIO-UGTO 2013 y 2014, the CEMIE-
Solar (04002) consortium and the PRODEP program reference F- PROMEP-
38/Rev-04 SEP-23-005.
Keywords: Perovskite solar cells, inverted configuration, crystal grain
Presenting authors email: desparza@cio.mx