Reorientation Dynamics of Liquid Crystal–Nanotube Dispersions

作者: Ingo Dierking , Katharine Casson , Richard Hampson

DOI: 10.1143/JJAP.47.6390

关键词:

摘要: Single wall carbon nanotubes (SWNT), dispersed in a nematic liquid crystal, exhibit orientational order due to the influence of crystal molecules. The direction this order, and associated material properties, can be altered by application an electric field, allowing for controlled switches. We have experimentally investigated reorientation dynamics as function temperature find two characteristic timescales. short timescale is with texture so induced disruption conducting nanotube percolation network. longer nanotubes.

参考文章(16)
Stanislaus S. Wong, Ernesto Joselevich, Adam T. Woolley, Chin Li Cheung, Charles M. Lieber, Covalently functionalized nanotubes as nanometre- sized probes in chemistry and biology Nature. ,vol. 394, pp. 52- 55 ,(1998) , 10.1038/27873
Sander J. Tans, Alwin R. M. Verschueren, Cees Dekker, Room-temperature transistor based on a single carbon nanotube Nature. ,vol. 393, pp. 49- 52 ,(1998) , 10.1038/29954
I. Dierking, G. Scalia, P. Morales, Liquid crystal–carbon nanotube dispersions Journal of Applied Physics. ,vol. 97, pp. 044309- ,(2005) , 10.1063/1.1850606
Jing Kong, Nathan R Franklin, Chongwu Zhou, Michael G Chapline, Shu Peng, Kyeongjae Cho, Hongjie Dai, Nanotube molecular wires as chemical sensors Science. ,vol. 287, pp. 622- 625 ,(2000) , 10.1126/SCIENCE.287.5453.622
W. A. de Heer, A. Ch telain, D. Ugarte, A Carbon Nanotube Field-Emission Electron Source Science. ,vol. 270, pp. 1179- 1180 ,(1995) , 10.1126/SCIENCE.270.5239.1179
Amit Srivastava, Shri Singh, Elastic constants of nematic liquid crystals of uniaxial symmetry Journal of Physics: Condensed Matter. ,vol. 16, pp. 7169- 7182 ,(2004) , 10.1088/0953-8984/16/41/001
H. Kneppe, F. Schneider, N. K. Sharma, Rotational viscosity γ1of nematic liquid crystals The Journal of Chemical Physics. ,vol. 77, pp. 3203- 3208 ,(1982) , 10.1063/1.444195
I. Dierking, G. Scalia, P. Morales, D. LeClere, Aligning and Reorienting Carbon Nanotubes with Nematic Liquid Crystals Advanced Materials. ,vol. 16, pp. 865- 869 ,(2004) , 10.1002/ADMA.200306196
Erik T Thostenson, Zhifeng Ren, Tsu-Wei Chou, Advances in the science and technology of carbon nanotubes and their composites: a review Composites Science and Technology. ,vol. 61, pp. 1899- 1912 ,(2001) , 10.1016/S0266-3538(01)00094-X
Giusy Scalia, Jan P. F. Lagerwall, Miroslav Haluska, Ursula Dettlaff-Weglikowska, Frank Giesselmann, Siegmar Roth, Effect of phenyl rings in liquid crystal molecules on SWCNTs studied by Raman spectroscopy Physica Status Solidi B-basic Solid State Physics. ,vol. 243, pp. 3238- 3241 ,(2006) , 10.1002/PSSB.200669205