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231223s2009 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la9004104
|2 doi
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|a pubmed25n0628.xml
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|a (NLM)19419192
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Malicki, Michał
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Preparation and characterization of 4'-donor substituted stilbene-4-thiolate monolayers and their influence on the work function of gold
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 17.09.2009
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|a Date Revised 14.07.2009
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Self-assembled monolayers of E-stilbene-4-thiolate (SAM1), E-4'-(ethoxy)stilbene-4-thiolate (SAM2), and E-4'-(dimethylamino)stilbene-4-thiolate (SAM3) on Au(111) have been obtained from reaction of ethanol solutions of the corresponding S-acetyl derivatives with gold substrates. A combination of X-ray photoelectron spectroscopy, ellipsometry, and infrared reflection absorption spectroscopy indicates that the monolayers are dense (ca. 3.3 x 10(14) molecules/cm(2)) and that the long molecular axes of the thiolates are approximately perpendicular to the surface. Ultraviolet photoelectron spectroscopy shows that formation of these monolayers decreases the work function of pristine Au by 0.9-1.3 eV, in part due to a bond dipole of ca. 4.4 D/molecule formed upon adsorption and partly due to the molecular dipole moment arising from the 4'-pi-donor substituents. However, the extent of the work function variation between SAM1, 2, and 3 is smaller than anticipated from purely electrostatic considerations
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| 650 |
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|a Journal Article
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1 |
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|a Guan, Zelei
|e verfasserin
|4 aut
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1 |
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|a Ha, Sieu D
|e verfasserin
|4 aut
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1 |
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|a Heimel, Georg
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Barlow, Stephen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rumi, Mariacristina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kahn, Antoine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Marder, Seth R
|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 1991
|g 25(2009), 14 vom: 21. Juli, Seite 7967-75
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:25
|g year:2009
|g number:14
|g day:21
|g month:07
|g pages:7967-75
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| 856 |
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|u http://dx.doi.org/10.1021/la9004104
|3 Volltext
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