Liquid-liquid diffusion ‐ assisted crystallization: a fast and versatile approach toward high quality mixed quantum dot ‐ salt crystals

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buir.contributor.authorDemir, Hilmi Volkan
buir.contributor.orcidDemir, Hilmi Volkan|0000-0003-1793-112X
dc.citation.epage2645en_US
dc.citation.issueNumber18en_US
dc.citation.spage2638en_US
dc.citation.volumeNumber25en_US
dc.contributor.authorAdam, M.en_US
dc.contributor.authorWang, Z.en_US
dc.contributor.authorDubavik, A.en_US
dc.contributor.authorStachowski, G. M.en_US
dc.contributor.authorMeerbach, C.en_US
dc.contributor.authorSoran-Erdem, Z.en_US
dc.contributor.authorRengers, C.en_US
dc.contributor.authorDemir, Hilmi Volkanen_US
dc.contributor.authorGaponik N.en_US
dc.contributor.authorEychmuller, A.en_US
dc.date.accessioned2015-07-28T12:03:32Z
dc.date.available2015-07-28T12:03:32Z
dc.date.issued2015en_US
dc.departmentDepartment of Physicsen_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractHere, a new, fast, and versatile method for the incorporation of colloidal quantum dots (QDs) into ionic matrices enabled by liquid-liquid diffusion is demonstrated. QDs bear a huge potential for numerous applications thanks to their unique chemical and physical properties. However, stability and processability are essential for their successful use in these applications. Incorporating QDs into a tight and chemically robust ionic matrix is one possible approach to increase both their stability and processability. With the proposed liquid-liquid diffusion-assisted crystallization (LLDC), substantially accelerated ionic crystallization of the QDs is shown, reducing the crystallization time needed by one order of magnitude. This fast process allows to incorporate even the less stable colloids including initially oil-based ligand-exchanged QDs into salt matrices. Furthermore, in a modified two-step approach, the seed-mediated LLDC provides the ability to incorporate oil-based QDs directly into ionic matrices without a prior phase transfer. Finally, making use of their processability, a proof-of-concept white light emitting diode with LLDC-based mixed QD-salt films as an excellent color-conversion layer is demonstrated. These findings suggest that the LLDC offers a robust, adaptable, and rapid technique for obtaining high quality QD-salts.en_US
dc.description.provenanceMade available in DSpace on 2015-07-28T12:03:32Z (GMT). No. of bitstreams: 1 11565.pdf: 2054657 bytes, checksum: 2ca4d7da4a9b854e7d8b940f57d57284 (MD5)en
dc.identifier.doi10.1002/adfm.201500552en_US
dc.identifier.issn1616-301X
dc.identifier.urihttp://hdl.handle.net/11693/12864
dc.language.isoEnglishen_US
dc.publisherWiley-VCH Verlagen_US
dc.relation.isversionofhttp://dx.doi.org/10.1002/adfm.201500552en_US
dc.source.titleAdvanced Functional Materialsen_US
dc.subjectLight - emitting - diodesen_US
dc.subjectColloidal nanocrystalsen_US
dc.subjectCdte nanocrystalsen_US
dc.subjectSemiconductor nanocrystalsen_US
dc.subjectAqueous - solutionen_US
dc.subjectOptical gainen_US
dc.subjectFluorescenceen_US
dc.subjectElectroluminescenceen_US
dc.subjectEmissionen_US
dc.subjectPolymeren_US
dc.titleLiquid-liquid diffusion ‐ assisted crystallization: a fast and versatile approach toward high quality mixed quantum dot ‐ salt crystalsen_US
dc.typeArticleen_US

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