Photoconductivity in semiconducting single-walled carbon nanotubes

被引：113
|
作者：
Fujiwara, A
Matsuoka, Y
Suematsu, H
Ogawa, N
Miyano, K
Kataura, H
Maniwa, Y
Suzuki, S
Achiba, Y
机构：
[1] Univ Tokyo, Sch Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
[2] Univ Tokyo, Sch Engn, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
[3] Tokyo Metropolitan Univ, Sch Sci, Dept Phys, Tokyo 1920397, Japan
[4] Tokyo Metropolitan Univ, Sch Sci, Dept Chem, Tokyo 1920397, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 2001年 / 40卷 / 11B期
关键词：
carbon nanotube; SWNT; photoconductivity; electronic structure; nanotechnology;
D O I：
10.1143/JJAP.40.L1229
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have observed the photoconductive response of film samples of single-walled carbon nanotubes for the first time. Two peaks in the photoconductivity excitation spectra around 0.7 and 1.2 eV are observed at room temperature, which can be interpreted as a photocurrent in semiconducting nanotubes, At a low temperature, we found a marked change in the intensity of the spectrum. In this paper, we discuss this temperature dependence and the mechanism of photoconductivity.
引用
收藏
页码：L1229 / L1231
页数：3
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