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

页码：L1229 / L1231

页数：3

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