Preparation and study of complex self-assembled film as a super-thin barrier on silver |
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| Authors: | Wang Yihong Zhou Jie KD Wesche |
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| Institution: | a National Laboratory of Molecular and Biomolecular Electronics, Department of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096, China
b Department of Chemistry, University of Namibia, Windhoek, Namibia |
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| Abstract: | A self-assembled monolayers (SAMs) of (3-mercaptopropy) trimethoxysilane (3-MPT) chemisorbed on silver surface was chemically modified by 1-octadecanethiol (C18H37SH) (to form self-assembled mixed-monolayer (SAMM)) and the co-polymer of N-vinylcarbazole and methyl methacrylate ester to form complex self-assemblied film (CSAF). The combinative state of interface between SAMs (or SAMM) and co-polymer were characterized by dynamic mechanical thermal analysis (DMTA). The thickness of film on Ag was characterized by X-ray photoelectron spectroscopy (XPS). Cyclic voltammetry (CV) measurements in 10% NaOH aqueous solution with the silver surface and covered with film indicated that 3-MPT SAMs modified with C18H37SH and then with co-polymer have higher capability against oxidation. |
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| Keywords: | 82 45 Mp 81 16 Dn 33 60Fy |
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