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Effect of nanocrystallite structure on the lower activation energy for Sm2O3-doped ZrO2

โœ Scribed by Shou-Gang Chen; Yan-Sheng Yin; Dao-Ping Wang; Xin Wang


Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
152 KB
Volume
703
Category
Article
ISSN
0022-2860

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A series of 1%Pd/WO 3 -ZrO 2 catalysts with different W/Zr ratios and calcination temperatures of WO 3 -ZrO 2 were prepared by an impregnation method. Their crystal structure, surface state, and acidity were determined using X-ray diffraction, N 2 adsorption, NH 3 temperature-programmed desorption,