Effect of Au nano-particles on TiO2 nanorod electrode in dye-sensitized solar cells

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buir.contributor.authorOkyay, Ali Kemal
dc.citation.epage452en_US
dc.citation.spage446en_US
dc.citation.volumeNumber76en_US
dc.contributor.authorGhaffari, M.en_US
dc.contributor.authorCosar, M. B.en_US
dc.contributor.authorYavuz, H. I.en_US
dc.contributor.authorOzenbas, M.en_US
dc.contributor.authorOkyay, Ali Kemalen_US
dc.date.accessioned2015-07-28T11:59:16Z
dc.date.available2015-07-28T11:59:16Z
dc.date.issued2012-05-26en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractAu nano particles (NPs) were deposited on vertically grown TiO2 nanorod arrays on FTO substrate by hydrothermal process. Metal nanoparticles were loaded onto the surface of TiO2 nanorods via photochemical reduction process under ultraviolet irradiation. X-ray diffraction (XRD), electron microscopy (FESEM), transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) analysis were used to characterize the as-prepared Au/TiO2 nanorod composites. Current density-voltage (I-V) measurements were obtained from a two-electrode sandwich type cell. The presence of Au nanoparticles can help the electron-hole separation by attracting photoelectrons. Addition of Au nanoparticles to the TiO2 nanorod significantly increased the fill factor and J(SC) (short circuit current density). The application of Au NPs TiO2 nanorods in improving the performance of DSSCs is promising.en_US
dc.identifier.doi10.1016/j.electacta.2012.05.058en_US
dc.identifier.issn0013-4686
dc.identifier.urihttp://hdl.handle.net/11693/11907
dc.language.isoEnglishen_US
dc.publisherElsevieren_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.electacta.2012.05.058en_US
dc.source.titleElectrochimica Actaen_US
dc.subjectDye-sensitized solar cellen_US
dc.subjectHydrothermalen_US
dc.subjectTio2 nanorodsen_US
dc.subjectPhotoreductionen_US
dc.titleEffect of Au nano-particles on TiO2 nanorod electrode in dye-sensitized solar cellsen_US
dc.typeArticleen_US
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Department of Electrical and Electronics Engineering
Institute of Materials Science and Nanotechnology (UNAM)