Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1661006 | Surface and Coatings Technology | 2008 | 4 Pages |
Abstract
A carbon nanotube (CNT) thin film prepared by the thermal CVD method was flashed by second harmonic light of a pulsed Nd:YAG laser (λ = 532 nm) under various laser fluences. A part of the defective CNTs and amorphous carbon in the film was removed by 10 shots of laser irradiation at Ef = 600 mJ/cm2. Raman spectra of the laser irradiated CNT thin film showed the increase of IG/ID ratio, which indicated that the CNTs thin film was purified by laser irradiation. A multi-walled CNTs (MWCNTs) based gas sensor treated by laser irradiation showed good sensor response to NO gas.
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Authors
T. Ueda, S. Katsuki, N. Heidari Abhari, T. Ikegami, F. Mitsugi, T. Nakamiya,