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CATALYTIC BEHAVIOR OF NOBLE-METAL REDUCIBLE OXIDE MATERIALS FOR LOW-TEMPERATURE CO OXIDATION .2. SURFACE CHARACTERIZATION OF AU/MNOX

被引：66
作者：
GARDNER, SD
HOFLUND, GB
DAVIDSON, MR
LAITINEN, HA
SCHRYER, DR
UPCHURCH, BT
机构：
[1] UNIV FLORIDA,DEPT CHEM ENGN,GAINESVILLE,FL 32611
[2] UNIV FLORIDA,DEPT CHEM,GAINESVILLE,FL 32611
[3] NASA,LANGLEY RES CTR,HAMPTON,VA 23665
来源：
LANGMUIR | 1991年 / 7卷 / 10期
关键词：
D O I：
10.1021/la00058a028
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Au/MnOx and MnOx surfaces used for low-temperature CO oxidation have been characterized by using ion scattering spectroscopy (ISS), Auger electron spectroscopy (AES), and X-ray photoelectron spectroscopy (XPS or ESCA) before and after pretreatment in He at 55-degrees-C. The pretreatment enriches the surface of Au/MnOx with O and Au and decreases the surface O concentration on MnOx. It also causes complex changes in the chemical state of the Mn.
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页码：2140 / 2145
页数：6
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