TY - JOUR
T1 - Thermal conductivity of liquid/carbon nanotube core-shell nanocomposites
AU - Yamada, Yutaka
AU - Askounis, Alexandros
AU - Ikuta, Tatsuya
AU - Takahashi, Koji
AU - Takata, Yasuyuki
AU - Sefiane, Khellil
N1 - Funding Information:
We acknowledge the Japan Society for the Promotion of Science (JSPS) for the Postdoctoral Fellowship for North American and European Researchers. This work was financially supported in part by the Core Research for Evolutional Science and Technology project of Japan Science and Technology Agency (JST-CREST). We are also grateful to the research laboratory for High Voltage Electron Microscopy at Kyushu University, for use of the TEM facilities. The authors declare no competing financial interest.
Publisher Copyright:
© 2017 Author(s).
PY - 2017/1/7
Y1 - 2017/1/7
N2 - Hollow carbon nanotubes (CNTs) were impregnated with an ionic liquid, resulting in a composite core-shell nanostructure. Liquid infusion was verified by transmission electron microscopy and rigorous observations unveiled that the nanocomposite is stable, i.e., liquid did not evaporate owing to its low vapor pressure. A series of individual nanostructures were attached on T-type heat sensors and their thermal behavior was evaluated. The liquid core was found to reduce the thermal conductivity of the base structure, CNT, from ca. 28 W/mK to ca. 15 W/mK. These findings could contribute to a better understanding of nanoscale thermal science and potentially to applications such as nanodevice thermal management and thermoelectric devices.
AB - Hollow carbon nanotubes (CNTs) were impregnated with an ionic liquid, resulting in a composite core-shell nanostructure. Liquid infusion was verified by transmission electron microscopy and rigorous observations unveiled that the nanocomposite is stable, i.e., liquid did not evaporate owing to its low vapor pressure. A series of individual nanostructures were attached on T-type heat sensors and their thermal behavior was evaluated. The liquid core was found to reduce the thermal conductivity of the base structure, CNT, from ca. 28 W/mK to ca. 15 W/mK. These findings could contribute to a better understanding of nanoscale thermal science and potentially to applications such as nanodevice thermal management and thermoelectric devices.
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U2 - 10.1063/1.4973488
DO - 10.1063/1.4973488
M3 - Article
AN - SCOPUS:85008970173
SN - 0021-8979
VL - 121
JO - Journal of Applied Physics
JF - Journal of Applied Physics
IS - 1
M1 - 015104
ER -