Quantum dot sensitized solar cell design with surface passivized CdSeTe QDs

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dc.contributor.authorElibol, Erdem
dc.date.accessioned2021-12-01T18:47:13Z
dc.date.available2021-12-01T18:47:13Z
dc.date.issued2020
dc.department[Belirlenecek]en_US
dc.description.abstractOne of the main factors affecting the performance of quantum dot sensitized solar cells (QDSSCs) is charge recombination caused by surface traps. It is important to passivize the surface traps of the synthesized QDs as much as possible in order to raise the power conversation efficiency (PCE). Therefore, in this study, the effects of chloride passivation on the performance of CdSeTe QDSSCs were tested. CdSeTe QDs synthesized by the hot injection method were passivized with chlorine ions in different proportions (10-70%) by mass and CdSeTe(Cl) QDSSCs were designed. In order to detect the effects of chloride treatment, chloride passivation was applied to CdSeTe QDs with different growth time. The absorbance and emission characterizations of the synthesized CdSeTe and CdSeTe(Cl) QDs were removed, HR-TEM and X-ray diffraction (XRD) studies were performed. Photovoltaic, incident-photo-to-carrier conversation (IPCE), electrochemical impedance spectroscopy (EIS) measurements were performed for all designed CdSeTe QDSSCs. As a result of the analyses, it was determined that chloride treatment increased the PCE of CdSeTe (Cl) QDSSCs by 2.456 times compared to untreated CdSeTe QDSSCs. The average value of PCE for CdSeTe(Cl) (60% Cl) (5 min) QDSSCs was 3.379 +/- 0.08%, while J(SC) and V-OC values were measured as 10.048 mA/cm(2) and 0.664 V, respectively.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [217M897]en_US
dc.description.sponsorshipThis study was financially supported by Scientific and Technological Research Council of Turkey (TUBITAK), project number 217M897.en_US
dc.identifier.doi10.1016/j.solener.2020.06.002
dc.identifier.endpage750en_US
dc.identifier.issn0038-092X
dc.identifier.scopus2-s2.0-85086667303en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage741en_US
dc.identifier.urihttps://doi.org/10.1016/j.solener.2020.06.002
dc.identifier.urihttps://hdl.handle.net/20.500.12684/10193
dc.identifier.volume206en_US
dc.identifier.wosWOS:000566928700010en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorElibol, Erdem
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofSolar Energyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectMultiple Exciton Generationen_US
dc.subjectConversion Efficiencyen_US
dc.subjectCounter Electrodesen_US
dc.subjectNanocrystalsen_US
dc.subjectPerformanceen_US
dc.subjectAbsorptionen_US
dc.subjectEnhancementen_US
dc.subjectFabricationen_US
dc.subjectStateen_US
dc.subjectPbseen_US
dc.titleQuantum dot sensitized solar cell design with surface passivized CdSeTe QDsen_US
dc.typeArticleen_US

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