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非晶态金属合金作催化材料的研究 V.Ni-W-P非晶态合金微粒催化加氢活性研究

Studies of Amorphous Metals as Catalytic Material Ⅴ. Amorphous Ni-W-P Alloy Powder and Its Hydrogenation Activity

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【作者】 陈海鹰邓景发盛世善陈恒荣熊国兴

【Author】 Chen, Hai-Ying Deng, Jing-Fa(Department of Chemistry Fudan University, Shanghai, 200433)Sheng, Shi-Shan Chen, Heng-Rong Xiong, Guo-Xing(State Key Laboratory for Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023)

【机构】 复旦大学化学系中国科学院大连化学物理研究所中国科学院大连化学物理研究所 上海200433上海200433催化基础国家重点实验室 大连116023催化基础国家重点实验室 大连116023

【摘要】 首次用化学还原法制备了非晶态Ni-W-P合金微粒.应用X射线衍射(XRD)、差热分析(DSC)、透射电子显微镜(TEM)和X射线光电子能谱(XPS)等方法对该微粒进行了表征.考察了该微粒催化环戊二烯加氢的活性,并与Ni-P非晶态合金对比,发现少量的W的加入改变了Ni-P的加氢活性.

【Abstract】 A novel amorphous Ni-W-P alloy powder was prepared by chemical reduction. Its amorphous structure was determined by XRD, DSC and TEM. The XPS of the Ni-W-P powder showed that both nickel and phosphorus existed as elementary state, while tungsten as metallicand oxidized state on the surface. The catalytic activity of amorphous Ni-W-P for the hydrogenation of cyclopentadiene was measured and compared with amorphous Ni-P. The results revealed that by adding a little amount of tungsten in the amorphous Ni-P alloy, its property was greatly changed.

【基金】 国家教委博士点专项基金资助
  • 【文献出处】 化学学报 ,Acta Chimica Sinica , 编辑部邮箱 ,1994年09期
  • 【分类号】O643.3
  • 【被引频次】26
  • 【下载频次】156
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