期刊
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS
卷 40, 期 11B, 页码 L1229-L1231出版社
INST PURE APPLIED PHYSICS
DOI: 10.1143/JJAP.40.L1229
关键词
carbon nanotube; SWNT; photoconductivity; electronic structure; nanotechnology
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.
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