مشخصات پژوهش

صفحه نخست /Silver and copper ...
عنوان Silver and copper nanoparticles stabilized on ionic liquids-functionalized polyhedral oligomeric silsesquioxane (POSS): Highly active and recyclable hybrid catalysts
نوع پژوهش مقاله چاپ‌شده در مجلات علمی
کلیدواژه‌ها Polyhedral oligomeric silsesquioxane nanoparticles Ionic liquids Metal nanoparticles Click reaction 4-Nitrophenol reduction
چکیده Two novel heterogeneous hybrid catalysts were successfully synthesized using octa-aminopropyl polyhedral oligomeric silsesquioxane hydrochloride salt (OA-POSS) and ionic liquids, followed by immobilization of Cu and Ag nanoparticles. The obtained hybrid catalysts, Cu@POSS-ILs and Ag@POSS-ILs, were characterized using FT-IR, SEM, EDX, TEM, XRD and TGA. Catalytic studies demonstrated that Cu@POSS-ILs was an excellent catalyst for click reaction in aqueous medium. Furthermore, Ag@POSS-ILs was also exhibited to be an active catalyst for 4-nitrophenol (4-NP) reduction. Simple preparation and easy catalysts recovery and recyclability of Cu@POSS-ILs and Ag@POSS-ILs for at least 3 and 6 runs, respectively, without loss of catalytic activity could be considered as important advantageous from catalytic application point of view.
پژوهشگران باقر افتخاری سیس (نفر سوم)، آیلار نادراحمدیان (نفر دوم)، علی اکبری (نفر اول)