2 November 2001 Transparent silica glasses containing single-walled carbon nanotubes
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Abstract
Organic - Inorganic matrix nano composites have been created using an acid catalyzed, tetraethyl orthosilicate-based sol- gel technique with SWNTs. By utilizing nanotubes functionalized with the dendron methyl 3,5- di(methyltrigycoloxy)benzylic alcohol, ultrasonication blending in the sol phase prior to gelation yields excellent dispersion characteristics of the nanotube phase. Further, glasses could easily be dried by heating to 600 degrees C yielding 80 percent of theoretical density wit little change in the nanotube content. These materials exhibited intrinsic Rayleigh scattering, suggesting near ideal dispersion. Nonlinear optical transmissivity was observed for 1064 and 532 nm light suggesting that the matrix has a strong broad band coupling to the optical field. Such composites allow for a host of applications based on the novel confinement properties of carbon nanotubes in a robust host.
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Jeffrey R. DiMaio, Jeffrey R. DiMaio, Suzette L. Rhyne, Suzette L. Rhyne, John M. Ballato, John M. Ballato, Richard Czerw, Richard Czerw, Jianfeng Xu, Jianfeng Xu, Scott Webster, Scott Webster, David L. Carroll, David L. Carroll, Kefu Fu, Kefu Fu, Ya-Ping Sun, Ya-Ping Sun, } "Transparent silica glasses containing single-walled carbon nanotubes", Proc. SPIE 4452, Inorganic Optical Materials III, (2 November 2001); doi: 10.1117/12.446893; https://doi.org/10.1117/12.446893
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