کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7139556 1462022 2018 47 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A novel MIL-53(Cr-Fe)/Ag/CNT nanocomposite based resistive sensor for sensing of volatile organic compounds
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
A novel MIL-53(Cr-Fe)/Ag/CNT nanocomposite based resistive sensor for sensing of volatile organic compounds
چکیده انگلیسی
P Producing a thin film for resistive sensors by using nanocomposite and their particle size is important for tuning sensitivity, selectivity and enhancing stability of the sensors under ambient conditions. In this work, MIL-53(Cr-Fe) nanoparticles as a bimetallic type of metal organic frameworks (MOFs) were synthesized by a sonochemical method. These nanoparticles were used to produce a MIL-53(Cr-Fe)/Ag/CNT ternary nanocomposite to fabricate a resistive gas sensor device detect volatile organic compounds such as methanol, ethanol, and isopropanol under environmental conditions (10% relative humidity and 25 °C). This ternary nanocomposite shows high response to polar VOCs, specifically methanol. The lowest detection limit is 30.5 ppm and it is for methanol. The nanocomposite was characterized by using X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and specific surface area analysis. To our best knowledge, this is first report on the synthesis of this type of ternary nanocomposite and its using to detect the VOCs.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators B: Chemical - Volume 267, 15 August 2018, Pages 381-391
نویسندگان
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