Carboranethiol-modified gold surfaces. A study and comparison of modified cluster and flat surfaces

Baše, Tomáš; Bastl, Zdeněk; Plzák, Zbyněk; Grygar, Tomáš; Plešek, Jaromír; Carr, MJ.; Malina, Václav; Šubrt, Jan; Boháček, Jaroslav; Večerníková, Eva; Kříž, Otomar

Number of the records: 1

Carboranethiol-modified gold surfaces. A study and comparison of modified cluster and flat surfaces

1.

SYSNO ASEP	0023763
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Ostatní články
Title	Carboranethiol-modified gold surfaces. A study and comparison of modified cluster and flat surfaces
Title	Modifikace zlatých povrchů karboranovými thioly
Author(s)	Baše, Tomáš (UACH-T)_{RID, SAI, ORCID} Bastl, Zdeněk (UFCH-W)_{RID, ORCID} Plzák, Zbyněk (UACH-T)_SAI Grygar, Tomáš (UACH-T) Plešek, Jaromír (UACH-T) Carr, MJ. (GB) Malina, Václav (URE-Y) Šubrt, Jan (UACH-T)_{SAI, RID} Boháček, Jaroslav (UACH-T)_SAI Večerníková, Eva (UACH-T)_SAI Kříž, Otomar (UACH-T)
Source Title	Langmuir. - : American Chemical Society - ISSN 0743-7463 Roč. 21, č. 17 (2005), s. 7776-7785
Number of pages	10 s.
Language	eng - English
Country	US - United States
Keywords	SELF-ASSEMBLED MONOLAYERS ; ray photoelectron-spectroscopy ; strucrural characterization
Subject RIV	CA - Inorganic Chemistry
R&D Projects	KJB4032302 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR)
	KSK4040110 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR)
	1ET400400413 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR)
CEZ	AV0Z40320502 - UACH-T (2005-2011)
Annotation	Four different carboranethiol derivatives were used to modify the surfaces of gold nanoparticles and flat gold films. The novel materials engendered from these modifications are extraordinarily stable species with surfaces that support self-assembled monolayers of 1-(HS)-1,2-C2B10H11, 1,2-(HS)(2)-1,2-C2B10H10, 1,12-(HS)(2)-1,12-C2B10H10, and 9,12-(HS)(2)-1,2-C2B10H10, respectively. Surprisingly, characterization of these materials revealed that a number of molecules of the carboranethiol derivatives are incorporated inside the nanoparticles. This structural feature was studied using a number of techniques, including X-ray photoelectron spectroscopy (XPS), UV-vis, and IR spectroscopies. Thermal desorption experiments show that carborane molecules detach and leave the nanoparticle surface mostly as 1,2-C2B10H10 isotopic clusters, leaving sulfur atoms bound to the gold surface.
Workplace	Institute of Inorganic Chemistry
Contact	Jana Kroneislová, krone@iic.cas.cz, Tel.: 311 236 931
Year of Publishing	2006

Number of the records: 1