Promotion of low-temperature reduction behavior of the CeO2-ZrO2-Bi2O3 solid solution by addition of silver

被引:28
作者
Imanaka, N [1 ]
Masui, T [1 ]
Minami, K [1 ]
Koyabu, K [1 ]
机构
[1] Osaka Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan
关键词
D O I
10.1021/cm0519380
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The effects of silver on the retention of the low-temperature reduction behavior of CeO2-ZrO2-Bi2O3 (CZB) were analyzed. The temperature-programmed reduction (TPR) trace of CZB displayed a reduction peak at 264°C. The Raman spectrum of CZB exhibited a strong band at 467 cm-1, which was assigned to the F2g mode of a cubic fluorite structure, and two minor peaks at 313 and 573 -1. The results show that silver somewhat dissolved into the CZB lattice after 10 cycles of redox aging.
引用
收藏
页码:6511 / 6513
页数:3
相关论文
共 24 条
[1]   OXYGEN PERMEATION THROUGH SILVER [J].
BEAVIS, LC .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1972, 43 (01) :122-&
[2]   NO reduction, CO and hydrocarbon oxidation over combustion synthesized Ag/CeO2 catalyst [J].
Bera, P ;
Patil, KC ;
Hegde, MS .
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2000, 2 (16) :3715-3719
[3]   Heterogeneous environmental catalysis -: a gentle art:: CeO2-ZrO2 mixed oxides as a case history [J].
Di Monte, R ;
Kaspar, J .
CATALYSIS TODAY, 2005, 100 (1-2) :27-35
[4]   Nanostructured CeO2-ZrO2 mixed oxides [J].
Di Monte, R ;
Kaspar, J .
JOURNAL OF MATERIALS CHEMISTRY, 2005, 15 (06) :633-648
[5]   The red-ox treatments influence on the structure and properties of M2O3-CeO2-ZrO2 (M = Y, La) solid solutions [J].
Ikryannikova, LN ;
Aksenov, AA ;
Markaryan, GL ;
Murav'eva, GP ;
Kostyuk, BG ;
Kharlanov, AN ;
Lunina, EV .
APPLIED CATALYSIS A-GENERAL, 2001, 210 (1-2) :225-235
[6]   Nanostructured materials for advanced automotive de-pollution catalysts [J].
Kaspar, J ;
Fornasiero, P .
JOURNAL OF SOLID STATE CHEMISTRY, 2003, 171 (1-2) :19-29
[7]   Automotive catalytic converters: current status and some perspectives [J].
Kaspar, J ;
Fornasiero, P ;
Hickey, N .
CATALYSIS TODAY, 2003, 77 (04) :419-449
[8]   Dependency of the oxygen storage capacity in zirconia-ceria solid solutions upon textural properties [J].
Kaspar, J ;
Di Monte, R ;
Fornasiero, P ;
Graziani, M ;
Bradshaw, H ;
Norman, C .
TOPICS IN CATALYSIS, 2001, 16 (1-4) :83-87
[9]   Use of CeO2-based oxides in the three-way catalysis [J].
Kaspar, J ;
Fornasiero, P ;
Graziani, M .
CATALYSIS TODAY, 1999, 50 (02) :285-298
[10]   Combustion of carbon black catalyzed by transition metal-promoted Y2O3-CeO2-ZrO2 solid solutions [J].
Lamonier, JF ;
Kulyova, SP ;
Zhilinskaya, EA ;
Kostyuk, BG ;
Lunin, VV ;
Aboukaïs, A .
KINETICS AND CATALYSIS, 2004, 45 (03) :429-435