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Title: Structure-controlled optical thermoresponse in Ruddlesden-Popper layered perovskites
Authors: Cortecchia, Daniele
Salim, Teddy
Bruno, Annalisa
Lam, Yeng Ming
Soci, Cesare
Neutzner, S.
Yin, J.
Srimath Kandada, A. R.
Martí-Rujas, J.
Petrozza, A.
Keywords: Perovskites
Optical Thermoresponse
Issue Date: 2018
Source: Cortecchia, D., Neutzner, S., Yin, J., Salim, T., Srimath Kandada, A. R., Bruno, A., . . . & Soci, C. (2018). Structure-controlled optical thermoresponse in Ruddlesden-Popper layered perovskites. APL Materials, 6(11), 114207-. doi: 10.1063/1.5045782
Series/Report no.: APL Materials
Abstract: Ruddlesden-Popper perovskites are highly attractive for light-emitting and photonic applications. In these exceptionally deformable frameworks, structural properties strongly impact on the energetic landscape of the material; thus, it is crucial to establish a correlation between the structure and optoelectronic characteristics. Here, we study the structural transformations induced by phase transitions in the butylammonium-based series (BA)2(MA)n−1[PbnI3n+1] (n = 1 and n = 2). We show how thermally driven lattice contraction and changes in crystal packing affect their characteristic absorption and photoluminescence. These findings provide new insights for functional perovskites’ rational design, highlighting the possibility to tune the structural properties through external stimuli to control their functionalities on-demand.
DOI: 10.1063/1.5045782
Rights: © 2018 The Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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