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Author:

叶青 (叶青.) (Scholars:叶青) | 赵建生 (赵建生.) | 李冬辉 (李冬辉.) | 赵俊 (赵俊.) | 程水源 (程水源.) (Scholars:程水源) | 康天放 (康天放.) (Scholars:康天放)

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CQVIP PKU CSCD

Abstract:

以SnO2为载体,采用沉积沉淀法(DP)、共沉淀法(CP)和浸渍法(IM)制备了金负载Au/SnO2催化剂,同时采用沉积沉淀法制备了M-Au/SnO2(M=Pd,Pt)双金属负载催化剂.通过X射线衍射(XRD)、BET比表面积测定、透射电镜(TEM)和X射线光电子能谱(XPS)等技术对样品进行表征,并测定其对CO的催化活性.结果表明:与CP法和IM法相比,DP法制备的Au/SnO2-DP催化剂,Au颗粒(<5nm)较小,分布均匀;Au/SnO2-DP中的Au是以金属态Au0存在,而Au/SnO2-CP和Au/SnO2-IM中,金以Au0和Au3+的混合价态存在,在Au/SnO2-DP和M-Au...

Keyword:

制备方法 低温催化氧化CO Au二元催化剂 Au/SnO2

Author Community:

  • [ 1 ] 北京工业大学环境与能源工程学院环境科学系

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Source :

物理化学学报

Year: 2011

Issue: 01

Volume: 27

Page: 169-176

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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