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dc.contributor.authorAgrawal, Ved Varun-
dc.contributor.authorKulkarni, G U-
dc.contributor.authorRao, C N R-
dc.date.accessioned2011-03-18T09:09:08Z-
dc.date.available2011-03-18T09:09:08Z-
dc.date.issued2005-04-21-
dc.identifier1520-6106en_US
dc.identifier.citationJournal of Physical Chemistry B 109(15), 7300-7305 (2005)en_US
dc.identifier.urihttp://hdl.handle.net/10572/68-
dc.descriptionRestricted accessen_US
dc.description.abstractUltrathin nanocrystalline films of gold formed at different temperatures at the organic-aqueous interface have been investigated by X-ray diffraction, electron microscopy, atomic force microscopy, and electronic spectroscopy. The films are smooth and continuous over relatively large length scales and are generally similar to 100 nm thick. The size of the nanocrystals is sensitive to the reaction temperature, which also determines whether the film is metallic or an activated conductor. The surface plasmon band of gold is highly red-shifted in the films. Alkanethiols perturb the structure of the films, with the magnitude of the effect depending on the chain length. Accordingly, the position of the plasmon band and the electrical resistance of the films are affected by interaction with alkanethiols; the plasmon band approaches that of isolated nanocrystals in the presence of long-chain thiols.en_US
dc.description.urihttp://dx.doi.org/10.1021/jp046570ten_US
dc.description.urihttp://pubs.acs.org/doi/abs/10.1021/jp046570ten_US
dc.language.isoenen_US
dc.publisherAmerican Chemical Societyen_US
dc.rights© 2005 American Chemical Societyen_US
dc.subjectLangmuir-Blodgett-Filmsen_US
dc.subjectAir-Water-Interfaceen_US
dc.subjectOptical-Propertiesen_US
dc.subjectElectronic- Propertiesen_US
dc.subjectNanoparticle Arraysen_US
dc.subjectMetal Nanocrystalsen_US
dc.subjectAu Nanoparticlesen_US
dc.subjectOrdered Arraysen_US
dc.subjectQuantum Dotsen_US
dc.subjectThin-Filmsen_US
dc.titleNature and Properties of Ultrathin Nanocrystalline Gold Films Formed at the Organic-Aqueous Interfaceen_US
dc.typeArticleen_US
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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