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学科主题: 物理化学
题名: Synthesis and characterization of nano iron nitride for application in hydrazine decomposition
作者: Zheng MY(郑明远) ;  Cheng RH(程瑞华) ;  Shu YY(舒玉瑛) ;  Zhang T(张涛)
会议名称: The 232nd ACS National Meeting
会议日期: 2006-9-10
出版日期: 2006-09-10
会议地点: 美国
通讯作者: 张涛 ;  舒玉瑛
部门归属: 十五室
主办者: 美国化学会
摘要: A series of nano iron nitrides were prepared from different nano iron oxides by a temperature-programmed reaction (TPR) method. It was found that the nano iron oxide prepared from homogeneous precipitation could yield 50~100 nm iron nitride. However, those prepared from the precipitation by ammonia or sol-gel method apparently produced larger nitride particles, even though they had much smaller original sizes. This suggests that nano iron oxide particles tend to congregate during the TPR process. In addition, the ?phase nano iron oxide particles were more likely to assemble than the ?phase iron oxide particles. They enlarged to 50 folds of the original size after the nitridation. The as-prepared nano iron nitrides were tested in the catalytic hydrazine decomposition, and they showed superior catalytic activities and much higher H2 selectivities than the large particle iron nitrides. The noble-metal-like characteristics of the nitrides are responsible for the high catalytic performance.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/112102
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Zheng MY,Cheng RH,Shu YY,et al. Synthesis and characterization of nano iron nitride for application in hydrazine decomposition[C]. 见:The 232nd ACS National Meeting. 美国. 2006-9-10.
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