Current-voltage characteristics of water-adsorbed imogolite film

被引：0

作者：

Park, Jaehong ^{[1
]}

Lee, Jungwoo ^{[1
]}

Chang, Sunyoung ^{[1
]}

Park, Taehee ^{[1
]}

Han, Bongwoo ^{[1
]}

Han, Jin Wook ^{[1
]}

Yi, Whikun ^{[1
]}

机构：

[1] Hanyang Univ, Dept Chem, Seoul 133791, South Korea

来源：

BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2008年 / 29卷 / 05期

关键词：

imogolite; field effect transistor; pH; I-V character;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electric current flow was observed through imogolite film when imogolite ((HO)(3)Al2O3SiOH) was exposed to water molecules and connected to external electrodes. Current flow was due to the bound water on the surface of imogolite. Current flow increased as the pH of the water decreased. The current-voltage (I-V) measurements from a field effective transistor (FET) using H2O/imogolite film revealed that the current carrier in H2O/imogolite had p-type characteristics, i.e. the carrier was probably H+. The possible mechanism for current transportation in imogolite/water was also suggested in this paper.

引用

页码：1048 / 1050

页数：3

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