|کد مقاله||کد نشریه||سال انتشار||مقاله انگلیسی||ترجمه فارسی||نسخه تمام متن|
|63720||48249||2016||7 صفحه PDF||سفارش دهید||دانلود رایگان|
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Different oxygen and nitrogen containing functional groups were created on the surface of the multi-walled carbon nanotubes. The multi-walled carbon nanotubes were treated in ultrasonic bath with sulfuric or nitric acid. Furthermore the surface texture was modified by increase of the roughness. In particular after treatment with the oxidizing nitric acid, in comparison to the H2SO4 or ultra-sonic treated samples, craters and edges are dominating the surface structures. Manganese oxide was deposited on the multi-walled carbon nanotubes by precipitation mechanism. Various manganese oxides are formed during the deposition process. The samples were characterized by elemental analysis, microscopy, thermal analysis, Raman spectroscopy, and by the zeta potential as well as X-ray diffraction measurements. It was shown that the deposited manganese oxides are stabilized rather by surface texture of the multi-walled carbon nanotubes than by created functional groups.
Manganese oxides are deposited on different pre-treated multiwalled carbon nanotubes. Edges and crater are formed by nitric acid treatment. The stabilizing effect of the particles is fulfilled rather by surface morphology than by functional groups.Figure optionsDownload as PowerPoint slide
Journal: Journal of Energy Chemistry - Volume 25, Issue 2, March 2016, Pages 265–271