کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
611588 880679 2007 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
In situ Raman monitoring triazole formation from self-assembled monolayers of 1,4-diethynylbenzene on Ag and Au surfaces via “click” cyclization
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی شیمی کلوئیدی و سطحی
پیش نمایش صفحه اول مقاله
In situ Raman monitoring triazole formation from self-assembled monolayers of 1,4-diethynylbenzene on Ag and Au surfaces via “click” cyclization
چکیده انگلیسی

We prepared acetylenyl-terminated aromatic self-assembled monolayers (SAMs) of 1,4-diethynylbenzene on silver and gold. After the fabrication of pendent acetylenyl SAMs, the formation of triazoles was performed via Cu(I)-catalyzed Huisgen 1,3-dipolar cycloaddition “click” chemistry. A density functional theory (DFT) calculation of Raman frequencies showed good agreement with our experimental data to provide evidence of the formation of the triazole molecule. Our results indicated that “click” chemistry could be successfully applied to simple aromatic SAMs proximate (<1 nm<1 nm) to roughened gold surfaces. The reaction process could be monitored in real time by measuring intensity changes of the ν(CC)free band in surface-enhanced Raman scattering (SERS) spectra.

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ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Colloid and Interface Science - Volume 311, Issue 2, 15 July 2007, Pages 491–496
نویسندگان
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