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Self-organization of gold nanoparticles on silanated surfaces
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Functional Materials, FNM.ORCID iD: 0000-0002-0074-3504
2015 (English)In: Beilstein Journal of Nanotechnology, ISSN 2190-4286, Vol. 6, 2345-2353 p.Article in journal (Refereed) PublishedText
Abstract [en]

The self-organization of monolayer gold nanoparticles (AuNPs) on 3-aminopropyltriethoxysilane (APTES)-functionalized glass substrate is reported. The orientation of APTES molecules on glass substrates plays an important role in the interaction between AuNPs and APTES molecules on the glass substrates. Different orientations of APTES affect the self-organization of AuNps on APTES-functionalized glass substrates. The as grown monolayers and films annealed in ultrahigh vacuum and air (600 degrees C) were studied by water contact angle measurements, atomic force microscopy, X-ray photoelectron spectroscopy, UV-visible spectroscopy and ultraviolet photoelectron spectroscopy. Results of this study are fundamentally important and also can be applied for designing and modelling of surface plasmon resonance based sensor applications.

Place, publisher, year, edition, pages
Beilstein-Institut , 2015. Vol. 6, 2345-2353 p.
Keyword [en]
3-aminopropyletriethoxysilane, electrostatic interaction, functionalization, gold nanoparticles, self-assembled monolayer, self-organization
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-180215DOI: 10.3762/bjnano.6.242ISI: 000366245000001OAI: oai:DiVA.org:kth-180215DiVA: diva2:895682
Note

QC 20160119

Available from: 2016-01-19 Created: 2016-01-08 Last updated: 2016-01-19Bibliographically approved

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Dutta, Joydeep
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