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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1021/la105063u
|2 doi
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|a eng
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|a Pasquali, Luca
|e verfasserin
|4 aut
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|a UPS, XPS, and NEXAFS study of self-assembly of standing 1,4-benzenedimethanethiol SAMs on gold
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|c 2011
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 26.08.2011
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|a Date Revised 12.04.2011
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2011 American Chemical Society
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|a We report a study of the self-assembly of 1,4-benzenedimethanethiol monolayers on gold formed in n-hexane solution held at 60 °C for 30 min and in dark conditions. The valence band characteristics, the thickness of the layer, and the orientation of the molecules were analyzed at a synchrotron using high resolution photoelectron spectroscopy and near edge X-ray adsorption spectroscopy. These measurements unambiguously attest the formation of a single layer with molecules arranged in the upright position and presenting a free -SH group at the outer interface. Near edge X-ray absorption fine structure (NEXAFS) measurements suggest that the molecular axis is oriented at 24° with respect to the surface normal. In addition, valence band features could be successfully associated to specific molecular orbital contributions thanks to the comparison with theoretically calculated density of states projected on the different molecular units
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|a Journal Article
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|a Terzi, Fabio
|e verfasserin
|4 aut
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|a Seeber, Renato
|e verfasserin
|4 aut
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|a Nannarone, Stefano
|e verfasserin
|4 aut
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|a Datta, Debasish
|e verfasserin
|4 aut
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|a Dablemont, Céline
|e verfasserin
|4 aut
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|a Hamoudi, Hicham
|e verfasserin
|4 aut
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|a Canepa, Maurizio
|e verfasserin
|4 aut
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|a Esaulov, Vladimir A
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 27(2011), 8 vom: 19. Apr., Seite 4713-20
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|x 1520-5827
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| 773 |
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|g volume:27
|g year:2011
|g number:8
|g day:19
|g month:04
|g pages:4713-20
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|u http://dx.doi.org/10.1021/la105063u
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