Photoresponse of PbS nanoparticles – quaterthiophene films prepared by gaseous deposition as probed by XPS

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buir.contributor.authorSüzer, Şefik
dc.citation.epage04D109-5en_US
dc.citation.issueNumber4en_US
dc.citation.spage04D109-1en_US
dc.citation.volumeNumber30en_US
dc.contributor.authorMajeski, M. W.en_US
dc.contributor.authorPleticha, F. D.en_US
dc.contributor.authorBolotin, I. L.en_US
dc.contributor.authorHanley, L.en_US
dc.contributor.authorYilmaz, E.en_US
dc.contributor.authorSüzer, Şefiken_US
dc.date.accessioned2015-07-28T12:04:47Z
dc.date.available2015-07-28T12:04:47Z
dc.date.issued2012en_US
dc.departmentDepartment of Chemistryen_US
dc.description.abstractSemiconducting lead sulfide (PbS) nanoparticles were cluster beam deposited into evaporated quaterthiophene (4T) organic films, which in some cases were additionally modified by simultaneous 50 eV acetylene ion bombardment. Surface chemistry of these nanocomposite films was first examined using standard x-ray photoelectron spectroscopy (XPS). XPS was also used to probe photoinduced shifts in peak binding energies upon illumination with a continuous wave green laser and the magnitudes of these peak shifts were interpreted as changes in relative photoconductivity. The four types of films examined all displayed photoconductivity: 4T only, 4T with acetylene ions, 4T with PbS nanoparticles, and 4T with both PbS nanoparticles and acetylene ions. Furthermore, the ion-modified films displayed higher photoconductivity, which was consistent with enhanced bonding within the 4T organic matrix and between 4T and PbS nanoparticles. PbS nanoparticles displayed higher photoconductivity than the 4T component, regardless of ion modification.en_US
dc.description.provenanceMade available in DSpace on 2015-07-28T12:04:47Z (GMT). No. of bitstreams: 1 10.1116-1.4709386.pdf: 890846 bytes, checksum: d75e6097873f9298c8108190b9ec1977 (MD5)en
dc.identifier.doi10.1116/1.4709386en_US
dc.identifier.eissn1944-2807
dc.identifier.issn0734-2101
dc.identifier.urihttp://hdl.handle.net/11693/13151
dc.language.isoEnglishen_US
dc.publisherAmerican Vacuum Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1116/1.4709386en_US
dc.source.titleJournal of Vacuum Science and Technology Aen_US
dc.titlePhotoresponse of PbS nanoparticles – quaterthiophene films prepared by gaseous deposition as probed by XPSen_US
dc.typeArticleen_US

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