A surface study of monoclinic zirconia (m-ZrO2)

被引：41

作者：

Cerrato, G ^{[1
]}

Bordiga, S ^{[1
]}

Barbera, S ^{[1
]}

Morterra, C ^{[1
]}

机构：

[1] UNIV TURIN,DEPT INORGAN PHYS & MAT CHEM,I-10125 TURIN,ITALY

来源：

SURFACE SCIENCE | 1997年 / 377卷 / 1-3期

关键词：

CO/CO2; adsorption; monoclinic ZrO2; surface structure;

D O I：

10.1016/S0039-6028(96)01348-9

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：

Several samples of m-ZrO2, characterized by different degrees of sinterization, were studied by FTIR and computer graphics. Crystallites of m-ZrO2 fired at high temperatures present a fairly regular termination, mostly along the (111) plane. When highly dehydrated, these materials adsorb CO in an ordered way, forming various surface CO clusters characterized by different degrees of dipole-dipole interaction. If CO2 is pre-adsorbed, surface carbonate-like species are formed which interrupt the ordered formation of CO clusters and the extent of the surface dipole-dipole interactions.

引用

页码：50 / 55

页数：6

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