Strong Anisotropy in the Far-Infrared Absorption Spectra of Stretch-Aligned Single-Walled Carbon Nanotubes

Absorption spectroscopy of stretch‐aligned single‐walled carbon nanotube (SWNT)/polymer composite films from the terahertz through the visible region of the electromagnetic spectrum reveal that the peak centered near 100 cm–1 is highly polarized along the tube axis (see figure). This result provides...

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Published inAdvanced materials (Weinheim) Vol. 18; no. 9; pp. 1166 - 1169
Main Authors Akima, N., Iwasa, Y., Brown, S., Barbour, A. M., Cao, J., Musfeldt, J. L., Matsui, H., Toyota, N., Shiraishi, M., Shimoda, H., Zhou, O.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 02.05.2006
WILEY‐VCH Verlag
Subjects
Alignment
Carbon nanotube composites
Carbon nanotubes
Carbon nanotubes, single‐walled
single-walled
Terahertz radiation
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Summary:Absorption spectroscopy of stretch‐aligned single‐walled carbon nanotube (SWNT)/polymer composite films from the terahertz through the visible region of the electromagnetic spectrum reveal that the peak centered near 100 cm–1 is highly polarized along the tube axis (see figure). This result provides new information on the morphology‐dependent low‐energy response of SWNTs, and may predict application of SWNTs in the terahertz region.
Bibliography:istex:6AC9668DA88F2E39E00F7F488A082A38E381F283
Work at Tohoku University is partially supported by a grant from the Ministry of Education, Culture, Sport, Science, and Technology, Japan (17204022, 17069003, and 16076201). Work at UT is supported by the Division of Materials Science at the National Science Foundation (DMR-0139414). We thank Y. Sakakibara, T. Nakanishi, and D. B. Tanner for useful discussions.
ark:/67375/WNG-C9QRPG45-D
ArticleID:ADMA200502505
Work at Tohoku University is partially supported by a grant from the Ministry of Education, Culture, Sport, Science, and Technology, Japan (17204022, 17069003, and 16076201). Work at UT is supported by the Division of Materials Science at the National Science Foundation (DMR‐0139414). We thank Y. Sakakibara, T. Nakanishi, and D. B. Tanner for useful discussions.
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ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200502505