Modifying PEC characteristics of CuS thin film electrodes prepared by electrodeposition: effect of cooling rate and coverage with electroactive composite material

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dc.contributor.authorAl-Kerm, Rana Sultan
dc.date.accessioned2018-01-24T11:11:36Z
dc.date.available2018-01-24T11:11:36Z
dc.date.issued2016-03-23
dc.description.abstractBinary compound semiconductors of CuS were grown on FTO/glass substrates by electrodeposition method. The prepared films were then covered with tetra(-4-pyridyl)porphyrinatomanganese(II/III) sulfate (MnIIMTPyP & MnIII TPyP) embedded into a polyethylene polymer matrix. The covered films were annealed under nitrogen and used for a photoelectrochemical study in aqueous electrolyte solutions for the first time. Effects of pre-annealing temperature (150, 250 and 350 oC), cooling rate, annealing time, and using different aqueous electrolytic systems, of the covered thin film electrodes, on their photolumenescence spectra, electronic absorption spectra, dark J-V plots, photo J-V plots, conversion efficiency and value of short-circuit current, have been studied. The modified electrode surfaces were more stable to degradation in the dark and under illumination than the unmodified ones. Furthermore, the modified electrodes showed higher light-to-electricity conversion efficiency than the unmodified ones. Based on this study, it is strongly recommended to pre-anneal CuS films and cover them with MnP/PE matrices before using them in PEC processes.en_US
dc.identifier.urihttps://hdl.handle.net/20.500.11888/13033
dc.language.isoenen_US
dc.subjectCuSen_US
dc.subjectthin filmen_US
dc.subjectelectrodepositionen_US
dc.subjectannealingen_US
dc.subjectCooling Rateen_US
dc.subjectPECen_US
dc.subjectefficiencyen_US
dc.subjectstabilityen_US
dc.titleModifying PEC characteristics of CuS thin film electrodes prepared by electrodeposition: effect of cooling rate and coverage with electroactive composite materialen_US
dc.typeArticleen_US
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Second Palestinian International Conference on Material Science and Nanotechnology (PICNM2016)