The radioluminescence and optical behaviour of nanocomposites with CdSeS quantum dot

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dc.contributor.authorKeskin İ.Ç.
dc.contributor.authorTüremiş M.
dc.contributor.authorKatı M.İ.
dc.contributor.authorKibar R.
dc.contributor.authorŞirin K.
dc.contributor.authorÇipiloğlu M.A.
dc.contributor.authorKuş M.
dc.contributor.authorBüyükçelebi S.
dc.contributor.authorÇetin A.
dc.date.accessioned2024-07-22T08:10:55Z
dc.date.available2024-07-22T08:10:55Z
dc.date.issued2017
dc.description.abstractIn this work, highly luminescent alloyed CdSeS QDs are successfully synthesized by two phase route method by using oleic acid (OA) as a surfactant. OA capped CdSeS QDs prepared in two different synthesis duration were compared in terms of luminescence and optical properties. The nanocomposites blended with CdSeS QDs which have highly luminescent efficiency in different ratios by Low Density Polyethylene (LDPE) and these nanocomposites were mainly investigated radioluminescence (RL) and optical properties (UV/VIS absorption). Structural, morphological, thermal properties of the nanocrystal and nanocomposites were examined using; XRD, FT-IR, TEM, SEM, TG-DTA techniques. OA capped CdSeS and also nanocomposites were showed two RL spectrum peaks in green and red region at around 528 nm and 710 nm respectively. Also, it is seen that the radioluminescence intensity changes linearly with the particle size of the QDs and about 12% size change of quantum dot led to a threefold increase in RL intensity. The luminescence glow curves are in compliance with absorption and fluorescence spectra. The absorption bands showed a significant blue shift for the nanocomposites as compare to powder CdSeS. The optical band gap of the OA capped CdSeS calculated as 1.77 eV. It was observed that the optical band gap of LDPE was decreased by the adding ratio of CdSeS from 3.71 eV to 2.25 eV. © 2017 Elsevier B.V.
dc.identifier.DOI-ID10.1016/j.jlumin.2016.12.048
dc.identifier.issn00222313
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/15445
dc.language.isoEnglish
dc.publisherElsevier B.V.
dc.subjectElectromagnetic wave absorption
dc.subjectEnergy gap
dc.subjectLight absorption
dc.subjectLuminescence
dc.subjectNanocomposites
dc.subjectNanocrystals
dc.subjectOptical band gaps
dc.subjectOptical properties
dc.subjectParticle size
dc.subjectPolyethylenes
dc.subjectThermoanalysis
dc.subjectAbsorption and fluorescence spectra
dc.subjectLow density polyethylene(LDPE)
dc.subjectLuminescent efficiency
dc.subjectOptical behaviour
dc.subjectRadio-luminescence
dc.subjectStructural characterization
dc.subjectSynthesis durations
dc.subjectUv/vis absorptions
dc.subjectSemiconductor quantum dots
dc.titleThe radioluminescence and optical behaviour of nanocomposites with CdSeS quantum dot
dc.typeArticle

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