Loading of mesoporous titania films by CH3NH3PbI3 perovskite, single step vs. sequential deposition

Natalia Yantara; Dharani Sabba; Fang Yanan; Jeannette M. Kadro; Thomas Moehl; Pablo P. Boix; Subodh Mhaisalkar; Michael Grätzel; Carole Grätzel

doi:10.1039/C4CC09556A

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Loading of mesoporous titania films by CH₃NH₃PbI₃ perovskite, single step vs. sequential deposition†

Natalia Yantara,‡^ab Dharani Sabba,‡^ab Fang Yanan,^b Jeannette M. Kadro,^ac Thomas Moehl,*^d Pablo P. Boix,*^a Subodh Mhaisalkar,^ab Michael Grätzel^d and Carole Grätzel*^d

Author affiliations

* Corresponding authors

^a Energy Research Institute @NTU (ERI@N), Research Techno Plaza, 50 Nanyang Drive, Singapore
E-mail: PBPablo@ntu.edu.sg

^b School of Materials Science and Engineering, Nanyang Technological University, Nanyang Avenue, Singapore

^c Laboratoire des sciences photomoléculaires, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland

^d Laboratory for Photonics and Interfaces, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
E-mail: thomas.moehl@epfl.ch, carole.graetzel@epfl.ch

Abstract

Infiltration of mesoporous TiO₂ scaffolds by CH₃NH₃PbI₃ is more complete when using sequential compared to single step deposition processing and avoids formation of disordered capping layers affording greatly improved performance of perovskite based photovoltaics.

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Article information

DOI: https://doi.org/10.1039/C4CC09556A
Article type: Communication
Submitted: 03 Dec 2014
Accepted: 06 Feb 2015
First published: 09 Feb 2015

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Chem. Commun., 2015,51, 4603-4606

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Loading of mesoporous titania films by CH₃NH₃PbI₃ perovskite, single step vs. sequential deposition

N. Yantara, D. Sabba, F. Yanan, J. M. Kadro, T. Moehl, P. P. Boix, S. Mhaisalkar, M. Grätzel and C. Grätzel, Chem. Commun., 2015, 51, 4603 DOI: 10.1039/C4CC09556A

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Chemical Communications