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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

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 from 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.

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Publication details

The article was received on 10 Sep 2018, accepted on 11 Oct 2018 and first published on 11 Oct 2018


Article type: Communication
DOI: 10.1039/C8MH01119B
Citation: Mater. Horiz., 2018, Accepted Manuscript
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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

    S. Sadhu, K. Aqueche, T. Buffeteau, J. Vincent, L. HIRSCH and D. Bassani, Mater. Horiz., 2018, Accepted Manuscript , DOI: 10.1039/C8MH01119B

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