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Issue 45, 2016
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Observation of phase-retention behavior of the HC(NH2)2PbI3 black perovskite polymorph upon mesoporous TiO2 scaffolds

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Abstract

The α → δ phase transition, which occurs favorably in planar films of a black α-HC(NH2)2PbI3 (α-FAPbI3) perovskite in the amibent, is retarded when α-FAPbI3 is deposited upon mesoporous TiO2 scaffolds. It is hypothesized that this is due to the synergistic effect of the partial encapsulation of α-FAPbI3 by the mesoporous TiO2 and the elevated activation energy for the transition reaction associated with the substantial increase of the TiO2/α-FAPbI3 interfacial area in the mesoscopic system.

Graphical abstract: Observation of phase-retention behavior of the HC(NH2)2PbI3 black perovskite polymorph upon mesoporous TiO2 scaffolds

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Article information


Submitted
09 Mar 2016
Accepted
05 May 2016
First published
05 May 2016

Chem. Commun., 2016,52, 7273-7275
Article type
Communication

Observation of phase-retention behavior of the HC(NH2)2PbI3 black perovskite polymorph upon mesoporous TiO2 scaffolds

Y. Zhou, J. Kwun, H. F. Garces, S. Pang and N. P. Padture, Chem. Commun., 2016, 52, 7273
DOI: 10.1039/C6CC02086K

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