UM
Optical Nano-Tomography on Photosensitive Single-Wall Carbon Nanotube Arrays in Zeolite Crystals
Nagasawa N.2; Sugiyama H.2; Naka N.2; Kudryashov I.4; Li Z.-M.1; Tang Z.-K.1
2004
Source PublicationJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
ISSN00214922
Volume43Issue:2Pages:868-871
AbstractSingle-wall carbon nanotubes of the smallest diameter formed in microchannel arrays of Zeolite single crystals (IUPAC cord: AFI) have attractive potential for fundamental and device-oriented optical researches. Here we report on very photosensitive characteristics of the material at room temperature. We find that tightly focused irradiation of the 488 nm Ar -ion laser light causes remarkable suppression of the visible emission from nanotubes. The photo-induced suppression occurs under low-level irradiation less than 1 μW. By the nano-tomography performed with Nanofinder, a three-dimensional spectro-tomographic system based on a confocal laser microscope, the size of the affected region is estimated to be 1 μm × 1 μm × 2 μm. This is comparable to the effective volume of the photo-irradiation spot. We discuss the origin of the photo-irradiation effects in view of the effects of the thermal conduction along the tube axis and of the local electronic effects within the photo-irradiated region.
KeywordCarbon nanotubes Confocal laser microscope Photo-induced effect Visible emission
DOI10.1143/JJAP.43.868
URLView the original
Language英語
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Hong Kong University of Science and Technology, William Mong Institute of Nano Science & Technology
2.University of Tokyo
3.Riken
4.Tokyo Instruments, Inc.
Recommended Citation
GB/T 7714
Nagasawa N.,Sugiyama H.,Naka N.,et al. Optical Nano-Tomography on Photosensitive Single-Wall Carbon Nanotube Arrays in Zeolite Crystals[J]. Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers,2004,43(2):868-871.
APA Nagasawa N.,Sugiyama H.,Naka N.,Kudryashov I.,Li Z.-M.,&Tang Z.-K..(2004).Optical Nano-Tomography on Photosensitive Single-Wall Carbon Nanotube Arrays in Zeolite Crystals.Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers,43(2),868-871.
MLA Nagasawa N.,et al."Optical Nano-Tomography on Photosensitive Single-Wall Carbon Nanotube Arrays in Zeolite Crystals".Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers 43.2(2004):868-871.
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