Photochemical growth of silver nanoparticles on c- and c+ domains on PZT thin films

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dc.contributor.authorDunn, Steve
dc.contributor.authorJones, Paul M.
dc.contributor.authorGallardo, Diego E.
dc.date.accessioned2018-11-29T15:42:07Z
dc.date.available2018-11-29T15:42:07Z
dc.date.issued2007-06-23
dc.description.abstractThe photochemical growth of silver nanoparticles on the negative domains of lead zirconate titanate thin films is reported. A sample of highly [100] orientated lead zirconate titanate, with a ratio of 30:70, that was 65−70 nm thick grown on Pt-coated MgO was poled by use of piezoresponse force microscopy to produce defined regions of surface positive and negative polarization. A comparison between the growth of silver nanoparticles on the surface of the lead zirconate titanate when illuminated with two sources of super band gap UV is given. In both cases the wavelength of illumination leads to growth on the positive domains but only illumination with a Honle H lamp, with a high photon output over 250−200 nm, caused significant growth of silver nanoparticles on the negative domain. The deposition on the negative domain is explained in terms of changed band bending due to the excitation of electrons into the conduction band, the rate of decay to the ground state, and dimensions of the ferroelectric film. The rate of deposition of silver nanoparticles on the negative domains is approximately half that on the positive domains.en_UK
dc.identifier.citationSteve Dunn, Paul. M. Jones and Diego E. Gallardo. (2007) Photochemical growth of silver nanoparticles on c- and c+ domains on PZT thin films. Journal of the American Chemical Society, Volume 129, Number 28, pp. 8724-8728en_UK
dc.identifier.issn0002-7863
dc.identifier.urihttps://doi.org/10.1021/ja071451n
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/13680
dc.language.isoenen_UK
dc.publisherAmerican Chemical Societyen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.titlePhotochemical growth of silver nanoparticles on c- and c+ domains on PZT thin filmsen_UK
dc.typeArticleen_UK

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