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Kristian Sell

Electronic and structural properties of deposited silver nanoparticles : a STM and GISAXS study

Universität Rostock, 2010

https://doi.org/10.18453/rosdok_id00000787

Abstract: The properties of supported Ag nanoparticles are investigated, with the focus on specific structural and electronic qualities. Using a statistical analysis it is shown that large Ag particles move over the surface after being deposited on Si(111)7x7. Surface photovoltage measurements reveal the band topology of nanoscale metal-semiconductor systems. The findings are discussed with a band topology model and in terms of current transport mechanisms. Grazing-incidence small angle X-ray scattering is used to monitor in situ the size and shape change of Ag nanoparticles during a catalytic reaction.

doctoral thesis   free access    

title:
Electronic and structural properties of deposited silver nanoparticles: a STM and GISAXS study
contributing persons:
Kristian Sell[VerfasserIn]
14323451X
Ingo Barke , Dr.[AkademischeR BetreuerIn]
Karl-Heinz Meiwes-Broer , Prof. Dr.[AkademischeR BetreuerIn]
Mathias Getzlaff , Prof. Dr.[AkademischeR BetreuerIn]
contributing corporate bodies:
Universität Rostock, Mathematisch-Naturwissenschaftliche Fakultät[Grad-verleihende Institution]
2147083-2
 
abstract:
The properties of supported Ag nanoparticles are investigated, with the focus on specific structural and electronic qualities. Using a statistical analysis it is shown that large Ag particles move over the surface after being deposited on Si(111)7x7. Surface photovoltage measurements reveal the band topology of nanoscale metal-semiconductor systems. The findings are discussed with a band topology model and in terms of current transport mechanisms. Grazing-incidence small angle X-ray scattering is used to monitor in situ the size and shape change of Ag nanoparticles during a catalytic reaction. [English]
Mit der Hilfe einer statistischen Analyse wird gezeigt, dass große Ag Cluster nach der Deposition auf der Si(111)7x7 Oberfläche umherwandern. Durch Messungen der Oberflächen-Photospannung ist es möglich, Einsicht in die Band-Topologie von nano-skaligen Metall-Halbleiter Systemen zu erhalten. Die Ergebnisse werden anhand eines Band-Topologie-Modells und in Bezug auf die Strom-Transport-Mechanismen diskutiert. Mit Hilfe von Klein-Winkel Röntgen-Streuung unter streifendem Einfall werden in situ Größen- und Formänderungen von Ag Clustern während einer katalytischen Reaktion untersucht. [German]
document type:
doctoral thesis
institution:
Faculty of Mathematics and Natural Sciences
language:
English
subject class (DDC):
530 Physics
 
publication /
production:		 Rostock
Rostock: Universität Rostock
2010
 
identifiers:
K10plus id: 644238623
DOI: 10.18453/rosdok_id00000787
URN: urn:nbn:de:gbv:28-diss2011-0009-4
PURL: https://purl.uni-rostock.de/rosdok/id00000787
 
access condition:
open access
license/rights statement:
all rights reserved
This work may only be used under the terms of the German Copyright Law (Urheberrechtsgesetz).
RosDok id: rosdok_disshab_0000000582
created / modified: 19.01.2011 / 08.08.2023
metadata license: The metadata of this document was dedicated to the public domain
(CC0 1.0 Universal Public Domain Dedication).
fulltext

Persistent citation

https://doi.org/
10.18453/rosdok_id00000787

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Dissertation_Sell_2011.pdf

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This work may only be used under the terms of the German Copyright Law (Urheberrechtsgesetz).

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