Thermal diffusivity and conductivity of multiwalled carbon nanotube arrays Export

@article{citeulike:5176239, abstract = {A laser flash technique was applied to measure the thermal diffusivity along a multiwalled carbon nanotube (CNT) array in temperature range of inlMMLBox . In the measurements, a nanosecond pulsed laser was used to realize noncontact heating and the temperature variations were recorded by an infrared detector. The experimental results show that the thermal diffusivity of the CNT array increases slightly with temperature in the inlMMLBox temperature range and exhibits no obvious change in the inlMMLBox temperature range. The CNT array has much larger thermal diffusivity than several known excellent thermal conductors, reaching about 4.6 cm 2  s −1 at room temperature. The mean thermal conductivity ( λ ) of individual CNTs was further estimated from the thermal diffusivity, specific heat ( C p ), and density ( ρ ) by using the correlation of λ = α ρ C p . The thermal conductivity of individual CNTs increases smoothly with the temperature increase, reaching about 750 W m −1  K −1 at room temperature.}, author = {Xie, H. and Cai, A. and Wang, X.}, citeulike-article-id = {5176239}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.physleta.2007.02.079}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S0375960107002629}, day = {10}, doi = {10.1016/j.physleta.2007.02.079}, issn = {03759601}, journal = {Physics Letters A}, keywords = {multiwall}, month = {September}, number = {1-2}, pages = {120--123}, posted-at = {2009-07-16 09:48:46}, priority = {2}, title = {Thermal diffusivity and conductivity of multiwalled carbon nanotube arrays}, url = {http://dx.doi.org/10.1016/j.physleta.2007.02.079}, volume = {369}, year = {2007} }

TY - JOUR ID - citeulike:5176239 L3 - citeulike-article-id:5176239 N2 - A laser flash technique was applied to measure the thermal diffusivity along a multiwalled carbon nanotube (CNT) array in temperature range of inlMMLBox . In the measurements, a nanosecond pulsed laser was used to realize noncontact heating and the temperature variations were recorded by an infrared detector. The experimental results show that the thermal diffusivity of the CNT array increases slightly with temperature in the inlMMLBox temperature range and exhibits no obvious change in the inlMMLBox temperature range. The CNT array has much larger thermal diffusivity than several known excellent thermal conductors, reaching about 4.6 cm 2  s −1 at room temperature. The mean thermal conductivity ( λ ) of individual CNTs was further estimated from the thermal diffusivity, specific heat ( C p ), and density ( ρ ) by using the correlation of λ = α ρ C p . The thermal conductivity of individual CNTs increases smoothly with the temperature increase, reaching about 750 W m −1  K −1 at room temperature. IS - 1-2 JF - Physics Letters A SN - 03759601 EP - 123 TI - Thermal diffusivity and conductivity of multiwalled carbon nanotube arrays VL - 369 SP - 120 KW - multiwall AU - Xie, H AU - Cai, A AU - Wang, X PY - 2007/09/10/ UR - http://dx.doi.org/10.1016/j.physleta.2007.02.079 ER -