کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8036145 1518059 2013 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Preparation of hybrid films containing gold nanoparticles and cobalt porphyrin with flexible electrochemical properties
ترجمه فارسی عنوان
تهیه فیلم های هیبریدی حاوی نانوذرات طلا و پورفیرین کبالت با خواص الکتروشیمیایی انعطاف پذیر
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فناوری نانو (نانو تکنولوژی)
چکیده انگلیسی
We report on the fabrication of hybrid films of gold nanoparticles (AuNPs) and [tetrakis (N-methylpyridyl)porphyrinato] cobalt (CoTMPyP) based on electrostatic layer-by-layer (LBL) self-assembly technique. A three-dimensional nanostructured film composed of positively charged CoTMPyP and negatively charged poly(acrylic acid)-stabilized AuNPs can be formed onto various substrates, including 4-aminobenzoic acid modified glassy carbon electrode, 11-mercaptotroponic acid modified gold film, and quartz plate with negatively charged surface. The regular growth of hybrid films is investigated by UV-vis spectroscopy, surface plasma resonance, and impedance spectroscopy. The prepared multilayer films possess flexible electro-catalytic activity toward O2 reduction reaction. It is noted that the electro-catalytic capability of the prepared multilayer film decreases as bilayer number increases. The unexpected observation of catalytic activity with bilayer number is investigated in detail.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 545, 31 October 2013, Pages 327-331
نویسندگان
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