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N Nanostructured organic films on gold : electrochemically assisted assembly (CROSBI ID 535026)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Petrović, Željka ; Metikoš-Huković, Mirjana N Nanostructured organic films on gold : electrochemically assisted assembly // 1st Regional Symposium on Electrochemistry of South-East Europe : Book of Abstract / Horvat-Radošević, Višnja ; Mandić, Zoran ; Gojo, Miroslav (ur.). Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI), 2008. str. 247-247

Podaci o odgovornosti

Petrović, Željka ; Metikoš-Huković, Mirjana

engleski

N Nanostructured organic films on gold : electrochemically assisted assembly

The organization of organic molecules into thin films through self-assembly provides a facile method of preparing surfaces with a well-defined composition, structure and thickness. These films potentially enable to tailor and to optimize the surface properties for a variety of technological applications as well as for fundamental studies of surface phenomena. In the present work nanostructured films of 1-dodecanethiol onto the polycrystalline gold surface were prepared by the potential assisted self-assembly. Contact angle goniometry, surface-enhanced Raman spectroscopy, cyclic voltammetry, and impedance spectroscopy were used to investigate the monolayer properties in aqueous electrolytes. The closely packed and well ordered monolayers are stable over a wide potential range in aqueous electrolytes. Their dielectric barrier properties were evaluated by performing electrochemical measurements without and in the presence of a redox couple. The obtained results have shown that the monolayer of 1-dodecanethiol is essentially free of pinhole defects, and the electron transfer reaction takes place through tunnelling mechanism at collapsed sites in the monolayer.

gold; nanostructured dodecanethiol films; dielectric properties; electron transfer reaction

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Podaci o prilogu

247-247.

2008.

objavljeno

Podaci o matičnoj publikaciji

1st Regional Symposium on Electrochemistry of South-East Europe : Book of Abstract

Horvat-Radošević, Višnja ; Mandić, Zoran ; Gojo, Miroslav

Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI)

978-953-6894-33-8

Podaci o skupu

Regional Symposium on Electrochemistry of South-East Europe (1 ; 2008)

poster

04.05.2008-08.05.2008

Rovinj, Hrvatska

Povezanost rada

Kemija, Kemijsko inženjerstvo