Polarity tuning of single-walled carbon nanotube by dipole field of ferroelectric polymer for thermoelectric conversion

被引：8
|
作者：
Horike, Shohei [1 ]
Misaki, Masahiro [1 ]
Koshiba, Yasuko [1 ]
Morimoto, Masahiro [1 ]
Saito, Takeshi [2 ]
Ishida, Kenji [1 ]
机构：
[1] Kobe Univ, Grad Sch Engn, Dept Chem Sci & Engn, Kobe, Hyogo 6578501, Japan
[2] Natl Inst Adv Ind Sci & Technol, Nanomat Res Inst, Tsukuba, Ibaraki 3058565, Japan
来源：
APPLIED PHYSICS EXPRESS | 2016年 / 9卷 / 08期
关键词：
GAS-PHASE SYNTHESIS; TRANSISTORS; PERFORMANCE; INJECTION; TRANSPORT; DIAMETER; ALLOYS; FIGURE; MERIT;
D O I：
10.7567/APEX.9.081301
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The tuning of the Seebeck coefficient of a single-walled carbon nanotube (SWCNT) film was achieved by using the dipole field of a ferroelectric polymer. The Seebeck coefficient was positive under an up-poling dipole field, but negative under a down-poling dipole field, whereas the control remained positive. This tunable behavior can be explained by selective carrier injection and accumulation, which was confirmed by the temperature dependence of electrical conductivity. Connecting p- and n-type SWCNT films tuned by dipole fields to create a pi module resulted in a significant improvement in output voltage owing to the temperature difference between the two. (C) 2016 The Japan Society of Applied Physics
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页数：4
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