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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1021/la800771q
|2 doi
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|a pubmed25n0600.xml
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|a eng
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|a Shekhah, O
|e verfasserin
|4 aut
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|a Grafting of monocarboxylic substituted polychlorotriphenylmethyl radicals onto a COOH-functionalized self-assembled monolayer through copper (II) metal ions
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 15.08.2008
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|a Date Revised 01.11.2011
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|a published: Print-Electronic
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|a ErratumIn: Langmuir. 2011 Oct 4;27(19):12261
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|a Citation Status PubMed-not-MEDLINE
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|a A monocarboxylic substituted polychlorotriphenylmethyl radical (PTMCOOH) has been grafted onto a COOH-functionalized SAM (mercaptohexadecanoic acid, MHDA SAM), using copper (II) metal ions as linkers between the carboxyl groups of the SAM and the ligand. The metal-radical adlayer has been characterized thoroughly using different surface analysis techniques, such as contact angle, IRRAS, XPS, SPR, ToF-SIMS, SFM, and NEXAFS. The magnetic character was confirmed by EPR. The density of unoccupied states was investigated using X-ray absorption spectroscopy. A low-energy peak in the NEXAFS spectrum directly revealed the presence of partially occupied electronic levels, thus proving the open-shell character of the grafted ligands. SEM measurements on a laterally patterned sample prepared by muCP of MHDA in a matrix of hexadecane thiolate (a CH 3-terminated SAM) was performed to demonstrate that the metal-assisted anchoring of the open-shell ligand occurs selectively on the COOH terminated SAM. These results represent an easy and new approach to anchor organic radicals on surfaces and constitute a first step toward the growth of magnetic metal-organic radical-based frameworks on solid substrates
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Roques, N
|e verfasserin
|4 aut
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|a Mugnaini, V
|e verfasserin
|4 aut
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|a Munuera, C
|e verfasserin
|4 aut
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|a Ocal, C
|e verfasserin
|4 aut
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|a Veciana, J
|e verfasserin
|4 aut
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|a Wöll, C
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1991
|g 24(2008), 13 vom: 01. Juni, Seite 6640-8
|w (DE-627)NLM098181009
|x 0743-7463
|7 nnns
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| 773 |
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|g volume:24
|g year:2008
|g number:13
|g day:01
|g month:06
|g pages:6640-8
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|u http://dx.doi.org/10.1021/la800771q
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