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Issue 31, 2018
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Probing the structure–property–composition relationship in organic–inorganic tri-halide perovskites

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Abstract

Here, we have synthesised a range of samples, with the formula (CH3NH3)1−2x(H3NC2H4NH3)xPbI3, with different levels of ethylenediammonium substitution to probe non-stoichiometry at the A-site of the perovskite. A single phase region was identified and is accompanied by a change in photophysical properties. The influence of aliovalent substitution with ethylenediammonium results in a decrease in HOMO level from −5.31 eV for x = 0 to −5.88 eV for x = 0.15.

Graphical abstract: Probing the structure–property–composition relationship in organic–inorganic tri-halide perovskites

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Publication details

The article was received on 22 Mar 2018, accepted on 16 Jul 2018 and first published on 16 Jul 2018


Article type: Paper
DOI: 10.1039/C8CP01871E
Citation: Phys. Chem. Chem. Phys., 2018,20, 20489-20496
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    Probing the structure–property–composition relationship in organic–inorganic tri-halide perovskites

    J. L. Payne, C. Ni, J. R. Harwell, L. K. Jagadamma, C. McDonald, D. Mariotti, I. D. W. Samuel and J. T. S. Irvine, Phys. Chem. Chem. Phys., 2018, 20, 20489
    DOI: 10.1039/C8CP01871E

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