Synthesis and characterization of NiO2@MCM-41 core-shell nanocomposite
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
TCPCO04_195
تاریخ نمایه سازی: 8 اردیبهشت 1396
Abstract:
In this paper, synthesis of core shell structured NiO2@MCM-41 nanoparticles with vesiclesas soft template is reported for the first time. Stable vesicles first formed at the concentration of 0.03(mol·L-1) with CTAB/SDBS ratio of 1:2. Then, vesicle aqueous solution with a metal core was addedin the MCM-41 gel, stirred to a highly dispersed solution. After high-temperature calcination,NiO2@MCM-41 nanoparticles were obtained. The structure was characterized by transmission electronmicroscope (TEM) and N2 adsorption/desorption analysis to measure surface area, pore size andvolume. TEM image confirmed core-shell structure and the hexagonally ordered structure of shell ofsilica MCM-41. The result indicated that the average diameter of synthesized core-shell NiO2@MCM-41 particles is 50-80 nm and most of them are in spherical shape. The result of N2 isothermadsorption/desorption analysis indicated successfull formation of mesoporous shell.
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Authors
Z Roosta
Graduate Student, Persian Gulf University of Bushehr
A Izadbakhsh
Assistant Professor of Chemical Engineering, Persian Gulf University of Bushehr
A.M Sanati
3Assistant Professor of Environment Pollution, Persian Gulf University of Bushehr
SH Osfouri
4Associate Professor of Chemical Engineering, Persian Gulf University of Bushehr
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