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Citation: FANG Ping, XIE Yun-Long, LUO Meng-Fei, HUANG Wei. In-situ XRD and Raman Spectroscopic Study on the Solid State Reaction of CuO/Al₂O₃ Catalysts at High Temperature[J]. Acta Physico-Chimica Sinica, ;2005, 21(01): 102-105. doi: 10.3866/PKU.WHXB20050121 shu

In-situ XRD and Raman Spectroscopic Study on the Solid State Reaction of CuO/Al₂O₃ Catalysts at High Temperature

1.
Institute of Physical Chemistry, Zhejiang Normal University, Jinhua　321004

Received Date: 24 June 2004
Available Online: 15 January 2005

A series of CuO/Al2O3 catalysts were prepared by impregnation method with different loadings, and calcined temperatures. The phase evolution of the surface region and the bulk on the CuO/Al2O3 catalysts was characterized by high-temperature in-situ XRD and Raman techniques. The experimental results show that CuAl2O4 phase formed as a result of a solid-solid interaction between CuO and Al2O3 when the calcination temperature reaches to 800 ℃,and the amount of CuAl2O4 increases at high temperature, which brings on the CuO in the surface region becomes more difficult to extend into the bulk, then the CuO can be stabilized on the surface region even after calcination at 900 ℃.
- CuO/Al₂O₃;In-situ XRD;Raman spectra;Solid state reaction
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沈阳化工大学材料科学与工程学院沈阳 110142

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In-situ XRD and Raman Spectroscopic Study on the Solid State Reaction of CuO/Al2O3 Catalysts at High Temperature

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通讯作者: 陈斌, bchen63@163.com

In-situ XRD and Raman Spectroscopic Study on the Solid State Reaction of CuO/Al₂O₃ Catalysts at High Temperature