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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la300687y
|2 doi
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|a eng
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1 |
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|a Torun, Boray
|e verfasserin
|4 aut
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|a Atomic force microscopy (AFM)-based nanografting for the study of self-assembled monolayer formation of organophosphonic acids on Al2O3 single-crystal surfaces
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 17.08.2012
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|a Date Revised 01.05.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Adsorption, stability, and organization kinetics of organophosphonic acids on single-crystalline alumina surfaces were investigated by means of atomic force microscopy (AFM)-based imaging, nanoshaving, and nanografting. AFM friction and phase imaging have shown that chemical etching and subsequent annealing led to heterogeneities on single-crystalline surfaces with (0001) orientation. Self-assembly and stability of octadecylphosphonic acid (ODPA) were shown to be strictly dependent upon the observed heterogeneities of the surface termination, where it was locally shown that ODPA can loosely or strongly bind on different terminations of the crystal surface. Organization kinetics of ODPA was monitored with nanografting on (0001) surfaces. Supported by measurements of surface wettability and diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS), it was demonstrated that the lack of organization within the protective adsorbed hexylphosphonic acid (HPA) monolayer on alumina surfaces facilitated the reduced confinement effect during nanografting, such that kinetics information on the organization process of ODPA could be obtained
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|a Journal Article
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|a Ozkaya, Berkem
|e verfasserin
|4 aut
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1 |
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|a Grundmeier, Guido
|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 28(2012), 17 vom: 01. Mai, Seite 6919-27
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|x 1520-5827
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|g volume:28
|g year:2012
|g number:17
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|g month:05
|g pages:6919-27
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