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Evaluation of the inuence of cadmium salt addition on iodinated poly (vinyl alcohol)-derived carbon nanofibers
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نویسنده
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Mehdinavaz Aghdam R. ,Yazdanpanah M. ,Khanmohammadi M.R. ,Azami Ghadikolayi M. ,Ghelich R. ,Shaabani K. ,Babaeia M.
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منبع
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scientia iranica - 2015 - دوره : 22 - شماره : 6-F2 - صفحه:2757 -2765
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چکیده
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Electrospinning of polyvinyl alcohol (pva) solution followed by a 24 h iodination treatment for stabilization of pva for carbonization yields carbon nanofibers. when cadmium acetate dehydrate [(ch3coo)2cd.2h2o] salt is added to the pva spinning solution, the carbon nanobers derived from a iodinated pva and cadmium/pva nanofibers precursor could increase the carbon yield to 30% and 34% after carbonization which is much higher than the yield (< 1%) for untreated spinning solution. several techniques, such as tga, fe-sem, xrd, raman spectroscopy, and hr-tem, are utilized for characterization of carbon nanofibers. the size of crystalline nanofibers is in the range of 100-350 nm.
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کلیدواژه
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Carbon nanofiber; Electrospinning; Iodine treatment; Carbonization; Cadmium salt
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آدرس
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Space Transportation Research Institute, Department of Nanotechnology, ایران, imam khomeini international university, Faculty of Science, ایران, imam khomeini international university, Faculty of Science, ایران, sharif university of technology, Department of Materials Science and Engineering, ایران, Space Transportation Research Institute, Department of Nanotechnology, ایران, University of Milan, Department of Energy Polytechnic, Italy, Space Transportation Research Institute, Department of Nanotechnology, ایران
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Authors
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