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Title: Crystal Engineering of a Two-Dimensional Lead-Free Perovskite with Functional Organic Cations by Second-Sphere Coordination
Authors: Cortecchia, Daniele
Soci, Cesare
Cametti, Massimo
Petrozza, Annamaria
Martí-Rujas, Javier
Keywords: Hydrogen bonds
Crystal engineering
Issue Date: 2017
Source: Cortecchia, D., Soci, C., Cametti, M., Petrozza, A., & Martí-Rujas, J. (2017). Crystal Engineering of a Two-Dimensional Lead-Free Perovskite with Functional Organic Cations by Second-Sphere Coordination. ChemPlusChem, 82(5), 681-685.
Series/Report no.: ChemPlusChem
Abstract: Hybrid lead halide perovskite semiconductors are attracting increasing attention for applications in optoelectronics. However, the high lead content calls for the development of greener and smarter alternatives through crystal engineering. This is extremely challenging since the use of functional cations often results in the disruption of the metal halide framework. Here we show the rational design of a new lead-free, copper-based hybrid perovskite following a second-sphere coordination approach. Our synthetic strategy allows the incorporation of an organic cationic fluorophore within the two-dimensional Cu−Cl framework of a layered copper perovskite. The functionalization results in a moisture-stable and near-UV/blue-emitting copper perovskite. Along with the possibility of extending the emission in the visible range by further synthetic design, our approach paves the way for the development of a new class of Pb-free perovskites with potential applications in solid-state lighting.
Description: 14 p.
DOI: 10.1002/cplu.201600477
Rights: © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. This is the author created version of a work that has been peer reviewed and accepted for publication by ChemPlusChem, Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
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