Gravitation-dependent, thermally-induced self-diffraction in carbon nanotube solutions.
We report the observation of thermally-induced self-diffraction in carbon nanotube (CNT) solutions under the influence of the gravity. We present a theoretical model in which CNTs are assumed to obey the Boltzmman distribution law. Under the approximations of small temperature rise and a very narrow distribution of CNT masses, the model simulation is consistent with the data measured at low laser powers. An immediate application of such a gravitation-dependent characteristic is the optical measurement for molecular weights of CNTs.
Ji
Wei
W
Chen
Weizhe
W
Lim
Sanhua
S
Lin
Jianyi
J
Guo
Zhixin
Z