IMECH-IR  > 力学所知识产出(1956-2008)
Electrochemical, spectroscopic and SPM evidence for the controlled formation of self-assembled monolayers and organised multilayers of ferrocenyl alkyl thiols on Au(111)
Viana AS; Abrantes LM; Jin G(靳刚); Floate S; Nichols RJ; Kalaji M; Kalaji, M (reprint author), Univ Wales Bangor, Dept Chem, Bangor LL57 2UW, Gwynedd, Wales.
Source PublicationPhysical Chemistry Chemical Physics
2001
Volume3Issue:16Pages:3411-3419
ISSN1463-9076
AbstractOrganised multilayers were formed from the controlled self-assembly of ferrocene alkyl thiols on Au(111) surfaces. The control was accomplished by increasing the concentration of the thiol solutions used for the assembly. Cyclic voltammetry, ellipsometry, scanning probe microscopy (STM and AFM) and in situ FTIR spectroscopy were used to probe the differences between mono- and multilayers of the same compounds. Electrochemical desorption studies confirmed that the multilayer structure is attached to the surface via one monolayer. The electrochemical behaviour of the multilayers indicated the presence of more than one controlling factor during the oxidation step, whereas the reduction was kinetically controlled which contrasts with the behaviour of monolayers, which exhibit kinetic control for the oxidation and reduction steps. Conventional and imaging ellipsometry confirmed that multilayers with well-defined increments in thickness could be produced. However, STM indicated that at the monolayer stage, the thiols used promote the mobility of Au atoms on the surface. It is very likely that the multilayer structure is held together through hydrogen bonding. To the best of out knowledge, this is the first example of a controlled one-step growth of multilayers of ferrocenyl alkyl thiols using self-assembly techniques.
Subject Area力学
DOI10.1039/b101435h
Indexed BySCI
Language英语
WOS IDWOS:000170703000026
WOS KeywordSCANNING-TUNNELING-MICROSCOPY ; GOLD ; ADSORPTION ; ELECTRODES ; SURFACES ; ALKANETHIOLS ; ELLIPSOMETRY ; VOLTAMMETRY ; GOLD(111) ; FILMS
WOS Research AreaChemistry ; Physics
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
Citation statistics
Cited Times:45[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/17100
Collection力学所知识产出(1956-2008)
Corresponding AuthorKalaji, M (reprint author), Univ Wales Bangor, Dept Chem, Bangor LL57 2UW, Gwynedd, Wales.
Recommended Citation
GB/T 7714
Viana AS,Abrantes LM,Jin G,et al. Electrochemical, spectroscopic and SPM evidence for the controlled formation of self-assembled monolayers and organised multilayers of ferrocenyl alkyl thiols on Au(111)[J]. Physical Chemistry Chemical Physics,2001,3,16,:3411-3419.
APA Viana AS.,Abrantes LM.,靳刚.,Floate S.,Nichols RJ.,...&Kalaji, M .(2001).Electrochemical, spectroscopic and SPM evidence for the controlled formation of self-assembled monolayers and organised multilayers of ferrocenyl alkyl thiols on Au(111).Physical Chemistry Chemical Physics,3(16),3411-3419.
MLA Viana AS,et al."Electrochemical, spectroscopic and SPM evidence for the controlled formation of self-assembled monolayers and organised multilayers of ferrocenyl alkyl thiols on Au(111)".Physical Chemistry Chemical Physics 3.16(2001):3411-3419.
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