PREPARATION OF A SIO2-PILLARED K0.8FE0.8TI1.2O4 AND IR STUDY OF N-2 ADSORPTION

被引：30

作者：

KONDO, JN

SHIBATA, S

EBINA, Y

DOMEN, K

TANAKA, A

机构：

[1] TOKYO INST TECHNOL,RESOURCES UTILIZAT RES LAB,MIDORI KU,YOKOHAMA,KANAGAWA 226,JAPAN

[2] NIKON INC,SAGAMIHARA,KANAGAWA 228,JAPAN

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1995年 / 99卷 / 43期

关键词：

D O I：

10.1021/j100043a051

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 interlayer space of K0.8Fe0.8Ti1.2O4 was expanded by SiO2-pillaring. The length of the interlayer spacing and surface area were increased by pillaring from 0.78 to 1.98 nm and from 0.4 to 154 m(2) . g(-1), respectively. N-2 adsorption on the SiO2-pillared K0.8Fe0.8Ti1.2O4 was studied by infrared (IR) spectroscopy. Two types of adsorbed N-2 were observed at 2330 and 2350 cm(-1). The former showed ordinary adsorption on oxides (Delta H-a = ca. 1 kcal/mol) and the latter indicated activated adsorption (Delta H-a = ca. 6 kcal/mol), where migration into the pillared interlayers is considered to be the rate-determining step.

引用

页码：16043 / 16046

页数：4

共 29 条

[1] TRANSIENT FLOW OF GASES IN SORBENTS PROVIDING UNIFORM CAPILLARY NETWORKS OF MOLECULAR DIMENSIONS [J].