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Citation: Meng Xiao-Ping, Luo Ning, Wang Ying-Xia, Li Neng, Lin Bing-Xiong, Zhao Tong-Fu. Studies on the Synthesis,Structural Imperfection and catalytic Properties of Cu-Cr-O Composite Oxides[J]. Acta Physico-Chimica Sinica, ;1998, 14(02): 185-187. doi: 10.3866/PKU.WHXB19980218 shu

Studies on the Synthesis,Structural Imperfection and catalytic Properties of Cu-Cr-O Composite Oxides

1.
Institute of Physical Chemistry,Peking University,Beijing 100871

Received Date: 26 May 1997
Available Online: 15 February 1998

A series of samples in Cu-Cr-O composite oxide system were synthesized by citrate complexation method. The catalytic activities of samples were evaluated using CO oxidation as test reaction, and structural imperfection was determined by XRD analysis. The results indicate that two phases coexisting under the preparative conditions result in structural imperfection of the samples, which leads to enhanced activities of Cu-Cr-O composite oxides. The catalytic activity for CO oxidation reaction increases with Cu3+ contents in the samples.
- Spinel,
- Delafossite,
- CO catalytic oxidation,
- Structural imperfection
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