Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/139349
Title: Engineering the emission of broadband 2D perovskites by polymer distributed Bragg reflectors
Authors: Lova, Paola
Cortecchia, Daniele
Krishnamoorthy, Harish Natarajan Swaha
Giusto, Paolo
Bastianini, Chiara
Bruno, Annalisa
Comoretto, Davide
Soci, Cesare
Keywords: Science::Physics
Issue Date: 2018
Source: Lova, P., Cortecchia, D., Krishnamoorthy, H. N. S., Giusto, P., Bastianini, C., Bruno, A., . . . Soci, C. (2018). Engineering the emission of broadband 2D perovskites by polymer distributed Bragg reflectors. ACS Photonics, 5(3), 867-874. doi:10.1021/acsphotonics.7b01077
Journal: ACS Photonics
Abstract: Thanks to their broadband emission and solution processability, 2D hybrid perovskite materials are promising for the realization of large area and flexible lighting devices. The deposition of 2D perovskites, however, requires wide range solvents that are incompatible with commodity polymers used for structural support and light management. Here we demonstrate coupling of broad-emitting 2,2-(ethylenedioxy)bis(ethylammonium)PbCl4 perovskite with solution processed polymer distributed Bragg reflectors on both rigid fused silica and flexible polymer substrates. The optical functions of the chemically engineered perovskite were determined by ellipsometric measurements and used to design dielectric multilayer structures with photonic bandgap tunable over the entire visible range. The resulting photonic structures control directionality and spectral enhancement or suppression of the perovskite photoluminescence, in agreement with simple analytical optical models. These results pave the way to the development of a new generation of color-tunable light-emitting devices based on a single active material.
URI: https://hdl.handle.net/10356/139349
ISSN: 2330-4022
DOI: 10.1021/acsphotonics.7b01077
Rights: © 2018 American Chemical Society. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:ERI@N Journal Articles

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