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

页码：57 / 59

页数：3

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