2018
DOI: 10.1021/acsphotonics.7b01077
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Engineering the Emission of Broadband 2D Perovskites by Polymer Distributed Bragg Reflectors

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)PbCl 4 perovskite with solution processed polymer distributed Bragg reflectors on both rig… Show more

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Cited by 43 publications
(49 citation statements)
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“…Successively, the solution processability of these materials has opened up new perspectives on abiding costs and simplifying fabrication processes for lightening and optoelectronic devices such as light emitting diodes and solid-state lasers [11][12][13][14][15][16][17][18], whilst maintaining the ease of tunability of the emission properties. Among these, perovskite-like material with 2D lattices, such as 2,2'-(ethylenedioxy)bis(ethylammonium) lead chloride (EDBE)PbCl 4 , became interesting thanks to its broad photoluminescence spectrum, which ranges from the ultraviolet to the near infrared and gives to this material its characteristic broad photoluminescence [19][20][21][22][23][24][25][26][27]. These characteristics arise from the 2D structures in which the large organic molecule allows for the formation of a lamellar crystalline structures where planes of lead chloride are alternated to planes of 2,2'-(ethylenedioxy)bis(ethylammonium) [19,20].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Successively, the solution processability of these materials has opened up new perspectives on abiding costs and simplifying fabrication processes for lightening and optoelectronic devices such as light emitting diodes and solid-state lasers [11][12][13][14][15][16][17][18], whilst maintaining the ease of tunability of the emission properties. Among these, perovskite-like material with 2D lattices, such as 2,2'-(ethylenedioxy)bis(ethylammonium) lead chloride (EDBE)PbCl 4 , became interesting thanks to its broad photoluminescence spectrum, which ranges from the ultraviolet to the near infrared and gives to this material its characteristic broad photoluminescence [19][20][21][22][23][24][25][26][27]. These characteristics arise from the 2D structures in which the large organic molecule allows for the formation of a lamellar crystalline structures where planes of lead chloride are alternated to planes of 2,2'-(ethylenedioxy)bis(ethylammonium) [19,20].…”
Section: Introductionmentioning
confidence: 99%
“…Unfortunately, as with most solution-processable perovskites, (EDBE)PbCl 4 can only be casted from broad-spectrum solvents such as dimethylformamide (DMF) and dimethyl sulfoxide (DMSO), which are solvents for most of the commercial polymers, thus making mutual processing of polymer photonic structures and perovskites incompatible. To circumvent these limitations, in a previous work, we coupled white emitting (EDBE)PbCl 4 thin films casted on fused silica or thick polyethylene terephthalate substrates, with DBRs that where successively grown on top of the perovskite layer to create half microcavities able of emission enhancement and suppression [21]. Successively, we were able to embed a perovskite thin film as a cavity layer within a polymer microcavity, achieving a Q factor of 155 and employing perfluorinated protective layers to avoid the dissolution of the underlying polymer photonic structure during the (EDBE)PbCl 4 deposition [59,60].…”
Section: Introductionmentioning
confidence: 99%
“…Apart from their use in PV devices, they show more than 90% quantum yield in photoluminescence; moreover, they possess unique properties, such as solution‐processability, long carrier lifetimes, ease of fabrication, and wavelength tunability . These features make halide perovskites a strong candidate to be used in optical applications, including display technologies, WLEDs, and others . Particularly in the case of WLED applications, these halide perovskites may i) be used together with YAG phosphor; ii) replace YAG phosphor in YAG‐based WLEDs; or iii) be used to obtain three main red‐green‐blue (RGB) colors separately over UV LED, as alternative to UV phosphors.…”
Section: Introductionmentioning
confidence: 99%
“…Layered (2D) perovskites have been studied extensively for the last 30 years due to their potential optoelectronic applications (e.g., field-effect transistors, [1] light-emitting diodes (LEDs), [2] and solar cells, [3] mixed 2D-3D lasers [4] ), wavelength tunability, [5] and the physics they exhibit as self-assembled alternating organic and inorganic sheets. [6,7] In this work we study dodecylammonium lead iodide, (C 12 H 25 NH 3 ) 2 PbI 4 (DA 2 PbI 4 ), which consists of sheets of lead iodide octahedra separated by dodecylammonium ligands (Figure 1d-f).…”
mentioning
confidence: 99%