Giant Seebeck coefficient in semiconducting single-wall carbon nanotube film

被引:194
|
作者
Nakai, Yusuke [1 ]
Honda, Kazuya [1 ]
Yanagi, Kazuhiro [1 ]
Kataura, Hiromichi [2 ]
Kato, Teppei [3 ]
Yamamoto, Takahiro [3 ,4 ]
Maniwa, Yutaka [1 ]
机构
[1] Tokyo Metropolitan Univ, Fac Sci & Engn, Dept Phys, Hachioji, Tokyo 1920397, Japan
[2] Natl Inst Adv Ind Sci & Technol, NRI, Tsukuba, Ibaraki 3058562, Japan
[3] Tokyo Univ Sci, Grad Sch Engn, Dept Elect Engn, Tokyo 1258585, Japan
[4] Tokyo Univ Sci, Fac Engn, Dept Liberal Arts Phys, Tokyo 1258585, Japan
关键词
THERMOELECTRIC-POWER; TRANSPORT-PROPERTIES;
D O I
10.7567/APEX.7.025103
中图分类号
O59 [应用物理学];
学科分类号
摘要
We found a giant Seebeck effect in semiconducting single-wall carbon nanotube (SWCNT) films, which exhibited a performance comparable to that of commercial Bi2Te3 alloys. Carrier doping of semiconducting SWCNT films further improved the thermoelectric performance. These results were reproduced well by first-principles transport simulations based on a simple SWCNT junction model. These findings suggest strategies that pave the way for emerging printed, all-carbon, flexible thermoelectric devices. (C) 2014 The Japan Society of Applied Physics
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页数:4
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