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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 11/2012

01.07.2012 | Original Contribution

Deposit of UV- or γ-synthesized gold nanoparticles on TiO2 powder using lipid-based multilamellar vesicles

verfasst von: Adeline Lafon, Mona Tréguer-Delapierre, Damien Bazin, Chrystel Faure

Erschienen in: Colloid and Polymer Science | Ausgabe 11/2012

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Abstract

This article describes a general method for the deposition of gold nanoparticles onto solid support based on the use of multilamellar vesicles (MLVs). Gold nanoparticles (nps) synthesized within lipid-based MLVs by UV- or γ-irradiation were deposited onto TiO2 powder support. The organic phase from MLVs was removed by calcination leading to high dispersion of naked Au nanoparticles. The resulting particles were investigated using spectrometry, electron microscopy and XPS. The gold nanoparticles were stable and well-separated on the titania surface. It was found that the metal nanoparticles produced by radiolysis have smaller average size and narrower size distribution than those synthesized by photochemical route. After calcinations, the particles tended to enlarge to reach c.a. 18 nm. The gold loading on the titania support could be controlled by changing the gold salt concentration and the MLV-to-TiO2 weight ratio; values of Au-to-Ti ratio up to 44 % could be obtained.
Vorheriger Artikel Surface modification of PET films by atmospheric pressure plasma exposure with three reactive gas sources
Nächster Artikel Synthesis of micron-sized polymeric particles in soap-free emulsion polymerization using oil-soluble initiators and electrolytes

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Metadaten
Titel
Deposit of UV- or γ-synthesized gold nanoparticles on TiO2 powder using lipid-based multilamellar vesicles
verfasst von
Adeline Lafon
Mona Tréguer-Delapierre
Damien Bazin
Chrystel Faure
Publikationsdatum
01.07.2012
Verlag
Springer-Verlag
Erschienen in
Colloid and Polymer Science / Ausgabe 11/2012
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-012-2616-z

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