Chemically specific dynamic characterization of photovoltaic and photoconductivity effects of surface nanostructures

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dc.citation.epage1860en_US
dc.citation.issueNumber4en_US
dc.citation.spage1851en_US
dc.citation.volumeNumber4en_US
dc.contributor.authorEkiz, O. Ö.en_US
dc.contributor.authorMizrak, K.en_US
dc.contributor.authorDâna, A.en_US
dc.date.accessioned2016-02-08T09:58:58Z
dc.date.available2016-02-08T09:58:58Z
dc.date.issued2010en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractWe report characterization of photovoltaic and photoconductivity effects on nanostructured surfaces through light induced changes in the X-ray photoelectron spectra (XPS). The technique combines the chemical specificity of XPS and the power of surface photovoltage spectroscopy (SPV), with the addition of the ability to characterize photoconductivity under both static and dynamic optical excitation. A theoretical model that quantitatively describes the features of the observed spectra is presented. We demonstrate the applicability of the model on a multitude of sample systems, including homo- and heterojunction solar cells, CdS nanoparticles on metallic or semiconducting substrates, and carbon nanotube films on silicon substrates.en_US
dc.identifier.doi10.1021/nn9014196en_US
dc.identifier.issn1936-0851
dc.identifier.urihttp://hdl.handle.net/11693/22349
dc.language.isoEnglishen_US
dc.publisherAmerican Chemical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1021/nn9014196en_US
dc.source.titleACS Nanoen_US
dc.subjectCadmium sulfideen_US
dc.subjectCarbon nanotubesen_US
dc.subjectDynamic characterizationen_US
dc.subjectPhotoconductivityen_US
dc.subjectPhotovoltaicsen_US
dc.subjectSemiconductor nanoparticlesen_US
dc.subjectSiliconen_US
dc.subjectSurface photovoltageen_US
dc.subjectX-ray photoelectron spectroscopyen_US
dc.subjectDynamic characterizationen_US
dc.subjectPhotovoltaicsen_US
dc.subjectSemiconductor nanoparticlesen_US
dc.subjectSilicon surfacesen_US
dc.subjectSurface photovoltageen_US
dc.subjectCadmiumen_US
dc.subjectCadmium compoundsen_US
dc.subjectCadmium sulfideen_US
dc.subjectCarbon filmsen_US
dc.subjectCarbon nanotubesen_US
dc.subjectHeterojunctionsen_US
dc.subjectNanoparticlesen_US
dc.subjectPhotoconductivityen_US
dc.subjectPhotoexcitationen_US
dc.subjectPhotoionizationen_US
dc.subjectPhotonsen_US
dc.subjectPhotovoltaic effectsen_US
dc.subjectSemiconducting cadmium compoundsen_US
dc.subjectSemiconducting filmsen_US
dc.subjectSemiconducting siliconen_US
dc.subjectSemiconducting silicon compoundsen_US
dc.subjectSurface propertiesen_US
dc.subjectX ray photoelectron spectroscopyen_US
dc.titleChemically specific dynamic characterization of photovoltaic and photoconductivity effects of surface nanostructuresen_US
dc.typeArticleen_US

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Institute of Materials Science and Nanotechnology (UNAM)