Anisotropic saturable absorption of single-wall carbon nanotubes aligned in polyvinyl alcohol Export

@article{citeulike:2794524, abstract = {We dispersed single-wall carbon nanotubes (SWNTs) in polyvinyl alcohol (PVA) film mostly with nanoscale uniformity and mechanically stretched it. Polarized absorption spectra showed strong anisotropy in the near-infrared band gap transition of semiconductor SWNT with a dichroic ratio of 7.4, indicating good alignment of the embedded SWNT. The saturable absorption property of the band gap transition measured using a polarized femtosecond laser showed strong dependence on the polarization angle. When the polarization of the light was parallel to the stretching direction, the saturation power was 2.6 times smaller than that of the unstretched film, which we ascribed to the increased transition probability.}, author = {Rozhin, Aleksey G. and Sakakibara, Youichi and Kataura, Hiromichi and Matsuzaki, Shun and Ishida, Kohtaro and Achiba, Yohji and Tokumoto, Madoka}, citeulike-article-id = {2794524}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.cplett.2005.02.049}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6TFN-4FN76V2-7/1/e3d287b8090352bc0fae02d81ffc852e}, doi = {10.1016/j.cplett.2005.02.049}, journal = {Chemical Physics Letters}, keywords = {aligned, carbon, nanotubes, production-procedure}, month = {April}, number = {4-6}, pages = {288--293}, posted-at = {2008-05-13 12:09:36}, priority = {2}, title = {Anisotropic saturable absorption of single-wall carbon nanotubes aligned in polyvinyl alcohol}, url = {http://dx.doi.org/10.1016/j.cplett.2005.02.049}, volume = {405}, year = {2005} }

TY - JOUR ID - citeulike:2794524 L3 - citeulike-article-id:2794524 N2 - We dispersed single-wall carbon nanotubes (SWNTs) in polyvinyl alcohol (PVA) film mostly with nanoscale uniformity and mechanically stretched it. Polarized absorption spectra showed strong anisotropy in the near-infrared band gap transition of semiconductor SWNT with a dichroic ratio of 7.4, indicating good alignment of the embedded SWNT. The saturable absorption property of the band gap transition measured using a polarized femtosecond laser showed strong dependence on the polarization angle. When the polarization of the light was parallel to the stretching direction, the saturation power was 2.6 times smaller than that of the unstretched film, which we ascribed to the increased transition probability. IS - 4-6 JF - Chemical Physics Letters EP - 293 TI - Anisotropic saturable absorption of single-wall carbon nanotubes aligned in polyvinyl alcohol VL - 405 SP - 288 KW - aligned KW - carbon KW - nanotubes KW - production-procedure AU - Rozhin, Aleksey AU - Sakakibara, Youichi AU - Kataura, Hiromichi AU - Matsuzaki, Shun AU - Ishida, Kohtaro AU - Achiba, Yohji AU - Tokumoto, Madoka PY - 2005/04/12/ UR - http://dx.doi.org/10.1016/j.cplett.2005.02.049 ER -