纳米金属钴粒子的制备及对高氯酸铵热分解的影响

TQ02; The monodispersed Co nanoparticles were successfully prepared by means of hydrogen plasma method in inert atmosphere. The particle size, specific surface area, crystal structure and morphology of the samples were characterized by transmission electron microscopy (TEM), BET equation, X-ray diff...

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Published in:中国化学工程学报（英文版） 2008, Vol.16 (2), p.325-328
Main Authors: 段红珍, 蔺向阳, 刘冠鹏, 徐磊, 李凤生
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container_title 中国化学工程学报（英文版）
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creator 段红珍
蔺向阳
刘冠鹏
徐磊
李凤生
description TQ02; The monodispersed Co nanoparticles were successfully prepared by means of hydrogen plasma method in inert atmosphere. The particle size, specific surface area, crystal structure and morphology of the samples were characterized by transmission electron microscopy (TEM), BET equation, X-ray diffraction (XRD), and the corre- sponding selected area electron diffraction (SAED). The catalytic effect of Co nanoparticles on the decomposition of ammonium perchlorate (AP) was investigated by differential thermal analyzer (DTA). Compared with the ther- mal decomposition of pure AP, the addition of Co nanoparticles (2%-10%, by mass) decreases the decomposition temperature of AP by 145.01-155.72℃. Compared with Co3O4 nanoparticles and microsized Co particles, the catalytic effect of Co nanoparticles for AP is stronger. Such effect is attributed to the large specific surface area and its interaction of Co with decomposition intermediate gases. The present work provides useful information for the application of Co nan
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title 纳米金属钴粒子的制备及对高氯酸铵热分解的影响
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