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Issue 1, 2019
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Unexpected surface interactions between fluorocarbons and hybrid organic inorganic perovskites evidenced by PM-IRRAS and their application towards tuning the surface potential

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Abstract

The chemical nature and orientation of fluorinated monolayers on CH3NH3PbI3 perovskites is probed through XPS and PM-IRRAS measurements. We show that even perfluoro-n-alkanes interact with the HOIP surface to form stable monolayers with well-defined orientation and that the surface potential of CH3NH3PbI3 can be easily tuned over a 150 mV range using various fluorinated porphyrin monolayers.

Graphical abstract: Unexpected surface interactions between fluorocarbons and hybrid organic inorganic perovskites evidenced by PM-IRRAS and their application towards tuning the surface potential

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Submitted
10 Sep 2018
Accepted
11 Oct 2018
First published
11 Oct 2018

Mater. Horiz., 2019,6, 192-197
Article type
Communication
Author version available

Unexpected surface interactions between fluorocarbons and hybrid organic inorganic perovskites evidenced by PM-IRRAS and their application towards tuning the surface potential

S. Sadhu, K. Aqueche, T. Buffeteau, J. Vincent, L. Hirsch and D. M. Bassani, Mater. Horiz., 2019, 6, 192
DOI: 10.1039/C8MH01119B

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