Characterization of self-assembled bilayers: silver-alkanethiolates

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TypeArticle
Journal titleLangmuir
Volume14
Pages65796587; # of pages: 9
AbstractLayered materials composed of silver-alkanethiolate units are characterized and compared to self-assembled alkanethiolate monolayers and thiolate-capped nanoparticles. A comprehensive infrared spectroscopy study is presented for silver-alkanethiolate materials having chain lengths varying from 7 to 18 carbon atoms. The high level of definition in these spectra will make this a benchmark system for comparisons to other metal thiolate systems. An X-ray diffraction study of these same materials is used to determine the tilt angle of the chains, which is very close to that reported for the thiolate monolayers on Ag(111). These results are combined with a thorough characterization of the AgSC12 material using X-ray photoelectron spectroscopy, electronic spectroscopy, differential scanning calorimetry, and solid-state NMR. Overall, this provides a detailed description of the structure, the thermal stability, and the high degree of conformational order in these materials, which have not previously been extensively characterized at these chain lengths.
Publication date
LanguageEnglish
AffiliationNRC Institute for Chemical Process and Environmental Technology; National Research Council Canada (NRC-CNRC)
Peer reviewedNo
NRC number51569
NPARC number8894813
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Record identifierd90048df-ec61-47cd-bf32-c2b7ea26de2f
Record created2009-10-03
Record modified2016-05-09
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