Top-illuminated dye-sensitized solar cells with a room-temperature-processed ZnO photoanode on metal substrates and a Pt-coated Ga-doped ZnO counter electrode

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buir.contributor.authorDemir, Hilmi Volkan
buir.contributor.orcidDemir, Hilmi Volkan|0000-0003-1793-112X
dc.citation.epage9en_US
dc.citation.issueNumber4en_US
dc.citation.spage1en_US
dc.citation.volumeNumber44en_US
dc.contributor.authorKyaw, A. K. K.en_US
dc.contributor.authorSun, X. W.en_US
dc.contributor.authorZhao, J. L.en_US
dc.contributor.authorWang, J. X.en_US
dc.contributor.authorZhao, D. W.en_US
dc.contributor.authorWei, X. F.en_US
dc.contributor.authorLiu, X. W.en_US
dc.contributor.authorDemir, Hilmi Volkanen_US
dc.contributor.authorWu, T.en_US
dc.date.accessioned2016-02-08T09:54:25Z
dc.date.available2016-02-08T09:54:25Z
dc.date.issued2011-01-11en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractWe report on top-illuminated, fluorine tin oxide/indium tin oxide-free (FTO/ITO-free), dye-sensitized solar cells (DSCs) using room-temperature- processed ZnO layers on metal substrates as the working electrodes and Pt-coated Ga-doped ZnO layers (GZO) as the counter electrodes. These top-illuminated DSCs with GZO render comparable efficiency to those employing commercial FTO counter electrodes. Despite a lower current density, the top-illuminated DSCs result in a higher fill factor than conventional DSCs due to a low ohmic loss at the electrode/semiconductor interface. The effect of metal substrate on the performance of the resulting top-illuminated DSCs is also studied by employing various metals with different work functions. Ti is shown to be a suitable metal to be used as the working electrode in the top-illuminated device architecture owing to its low ohmic loss at the electrode/semiconductor interface, minimum catalytic activity on redox reactions and high resistance to corrosion by liquid electrolytes.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T09:54:25Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2011en
dc.identifier.doi10.1088/0022-3727/44/4/045102en_US
dc.identifier.issn0022-3727
dc.identifier.urihttp://hdl.handle.net/11693/22024
dc.language.isoEnglishen_US
dc.publisherIOP Publishingen_US
dc.relation.isversionofhttp://dx.doi.org/10.1088/0022-3727/44/4/045102en_US
dc.source.titleJournal of Physics D: Applied Physicsen_US
dc.subjectCatalytic activityen_US
dc.subjectCounter electrodesen_US
dc.subjectDevice architecturesen_US
dc.subjectDye-sensitized solar cellen_US
dc.subjectFill factoren_US
dc.subjectGa-doped ZnOen_US
dc.subjectHigh resistanceen_US
dc.subjectLiquid electrolytesen_US
dc.subjectMetal substrateen_US
dc.titleTop-illuminated dye-sensitized solar cells with a room-temperature-processed ZnO photoanode on metal substrates and a Pt-coated Ga-doped ZnO counter electrodeen_US
dc.typeArticleen_US

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