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          Institute: Fritz-Haber-Institut     Collection: Physical Chemistry     Display Documents



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ID: 476391.0, Fritz-Haber-Institut / Physical Chemistry
Morphology of supported silver nanoparticles characterized by optical and thermal desorption spectroscopy
Authors:Hotzel, Arthur; Mathies, Sebastian; Starr, David E.; Grujic, Alexander; Wolf, Martin
Language:English
Date of Publication (YYYY-MM-DD):2011
Title of Journal:Applied Physics B: Lasers and Optics
Journal Abbrev.:Appl. Phys. B
Volume:102
Start Page:171
End Page:187
Copyright:© 2010 Springer
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Silver nanoparticles grown on a quartz substrate are investigated with optical and thermal desorption spectroscopy (TDS). Detailed information on the nanoparticle morphology is gained with new methods of data analysis. First, a fit of the extinction spectra, based on a comprehensive model derived for this purpose, allows an estimation of the effective particle–particle distance. Second, the total surface area of the particles is determined with TDS of xenon. Third, the dependence of the plasmon resonance position on the amount of adsorbed xenon is used as a measure of the average particle size. The results for these three parameters, which are critical for potential applications, are shown to be mutually consistent. The methods demonstrated here are complementary to scanning probe techniques which characterize the particle morphology on a microscopic length scale.
External Publication Status:accepted
Document Type:Article
Communicated by:Martin Wolf
Affiliations:Fritz-Haber-Institut/Physical Chemistry
External Affiliations:Hotzel A, Freie Univ, Dept Phys, Arnimallee 14, D-14195 Berlin, Germany;
Mathies S, geb. Kwiet, Freie Univ, Dept Phys, Arnimallee 14, D-14195 Berlin, Germany; Starr DE, Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720, USA; Grujic A, Freie Univ, Dept Phys, Arnimallee 14, D-14195 Berlin, Germany; Wolf M, Freie Univ, Dept Phys, Arnimallee 14, D-14195 Berlin, Germany
Identifiers:URL:http://dx.doi.org/10.1007/s00340-010-4363-5 [only subscriber]
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