Organic hydrogen gas sensor with palladium-coated β-phase poly(vinylidene fluoride) thin films

被引：20
|
作者：
Imai, Yuji [1 ,2 ]
Kimura, Yasuo [1 ]
Niwano, Michio [1 ]
机构：
[1] Tohoku Univ, Lab Nanoelect & Spintron, Elect Commun Res Inst, Aoba Ku, Sendai, Miyagi 9808577, Japan
[2] Sendai Natl Coll Technol, Dept Informat Networks, Aoba Ku, Sendai, Miyagi 9893128, Japan
来源：
APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 18期
关键词：
D O I：
10.1063/1.4764064
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have proposed an organic hydrogen gas sensor in which palladium (Pd)-coated beta-phase poly(vinylidene fluoride) (PVDF) films are utilized. Volume expansion of the Pd thin film caused by absorption of hydrogen gas is monitored by a piezoelectric thin film of PVDF attached to the Pd films. We have developed a simple method of synthesizing beta-phase PVDF films from alpha-phase PVDF powder by using a wet process in which a mixture of acetone and hexamethylphosphoric triamide is used as the solvent for the PVDF powder. The sensor works by itself at room temperature without a power source. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4764064]
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页数：4
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