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Optical properties of ionic liquid passivated CdSe/ZnS quantum dots dispersed in POC copolymer

TitleOptical properties of ionic liquid passivated CdSe/ZnS quantum dots dispersed in POC copolymer
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2013
AuthorsBorriello, Carmela, Concilio S., Minarini Carla, Piotto S., and Di Luccio Tiziana
JournalPolymer Composites
Volume34
Pagination1471-1476
ISSN02728397
KeywordsBlue emitter, CdSe/ZnS quantum dots, Copolymers, Emission spectroscopy, Emission spectrums, Ionic liquids, Nanocomposite films, Nanocomposites, Oxadiazoles, Photoluminescence spectroscopy, Polymer films, Semiconductor quantum dots, Surface passivation, Thermogravimetric analysis, UV-visible absorption, Wide spectrum
Abstract

A new blue emitter oxadiazole/carbazole copolymer has been synthesized and combined with CdSe/ZnS quantum dots (QDs). Surface passivation of the QDs by ionic liquids was crucial to improve their compatibility with the polymer allowing the deposition of homogeneous nanocomposites films. The nanocomposites have been characterized by thermogravimetric analysis, infrared, UV-visible absorption, and photoluminescence spectroscopy. The emission spectra of nanocomposites show a wide spectrum from blue to orange wavelengths due to the combination of colors emitted by the polymer and QDs, respectively. © 2013 Society of Plastics Engineers.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84882238535&doi=10.1002%2fpc.22467&partnerID=40&md5=591c0769ca0573275c0e0af71058ca6e
DOI10.1002/pc.22467
Citation KeyBorriello20131471