A new semiconducting organic-inorganic nanocomposite, 1,5-diaminonphthalene-saponite intercalation compound

被引：6
|
作者：
Ishimaru, S [1 ]
Yamauchi, M [1 ]
Ikeda, R [1 ]
机构：
[1] Univ Tsukuba, Dept Chem, Tsukuba, Ibaraki 3058571, Japan
来源：
SOLID STATE COMMUNICATIONS | 2003年 / 127卷 / 01期
关键词：
semiconductor; intercalation compound; saponite; 1,5-diaminonaphthalene;
D O I：
10.1016/S0038-1098(03)00353-3
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We synthesized a new intercalation compound, 1,5-diaminonaphathalene(DAN)-saponite where intercalated DAN molecules were shown to have a formal charge of +0.67 The measurement of optical diffuse reflectance spectra revealed the formation of electronic bands with a gap of ca. 1 eV suggesting semiconducting behaviour of this system. From ESR measurements, the radical formation in DAN-saponite was confirmed and the spin concentration was determined to be I spin per 200 and 300 DAN-molecules at 290 and 7.9 K, respectively. This temperature dependence of the spin density also implies the semiconductive nature of DAN-saponite. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：57 / 59
页数：3
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