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Instability of 0.4 nm carbon nanotubes in a zeolite template under ultraviolet laser irradiation

Authors Bai, M.
Li, IL HKUST affiliated (currently or previously)
Tang, ZK View this author's profile
Xiao, XD HKUST affiliated (currently or previously)
Issue Date 2005
Source Applied physics letters , v. 86, (9), 2005, FEB 28, article number 093108
Summary The stability of 0.4 nm carbon nanotubes within a zeolite matrix under laser irradiation has been investigated using photoluminescence (PL) spectroscopy. It was found that in the weak excitation power regime the PL spectra have similar line shapes at different excitation wavelengths. When the excitation power is high for ultraviolet light at 325 run, the PL spectral shape undergoes an irreversible change. This is in contrast to the case with 488 nm laser irradiation and indicates a permanent chemical change in the sample, probably due to photochemical effects. (C) 2005 American Institute of Physics.
ISSN 0003-6951
Rights Appl. Phys. Lett. © copyright (2005) American Institute of Physics. The Journal's web site is located at
Language English
Format Article
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