ACS Nano, том 14, издание 4, номера страниц: 4298-4305

Enhanced In-Plane Thermal Conductance of Thin Films Composed of Coaxially Combined Single-Walled Carbon Nanotubes and Boron Nitride Nanotubes

Inoue Taiki 1
Xiang Rong 1
Shawky Ahmed 1, 2
Watanabe Makoto 1
Anisimov Anton A. 3
1
 
Department of Mechanical Engineering, the University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
2
 
Nanomaterials and Nanotechnology Department, Advanced Materials Division, Central Metallurgical R&D Institute (CMRDI), P.O. Box 87 Helwan, Cairo 11421, Egypt
3
 
Canatu, Ltd., Konalankuja 5, Helsinki FI-00390, Finland
4
 
Department of Applied Physics, Aalto University School of Science, 15100, Aalto FI-00076, Finland
5
 
Energy NanoEngineering Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba 305-8654, Japan
Тип документа
Дата публикации2020-04-09
ИздательAmerican Chemical Society
Название журналаACS Nano
Квартиль по SCImagoQ1
Квартиль по Web of ScienceQ1
Импакт-фактор 202118.03
ISSN19360851, 1936086X
General Physics and Astronomy
General Materials Science
General Engineering
Краткое описание
Carbon nanotubes (CNTs) and boron nitride nanotubes (BNNTs) are one-dimensional materials with high thermal conductivity and similar crystal structures. Additionally, BNNTs feature higher thermal stability in air than CNTs. In this work, a single-walled carbon nanotube (SWCNT) film was used as a template to synthesize a BNNT coating by the chemical vapor deposition (CVD) method to form a coaxial heterostructure. Then, a contact-free steady-state infrared (IR) method was adopted to measure the in-plane sheet thermal conductance of the as-synthesized film. The heterostructured SWCNT-BNNT film demonstrates an enhanced sheet thermal conductance compared with the bare SWCNT film. The increase in sheet thermal conductance shows a reverse relationship with SWCNT film transparency. An enhancement of over 80 % (from ~3.6 μW∙K-1∙sq-1 to ~6.4 μW∙K-1∙sq-1) is attained when the BNNT coating is applied to an SWCNT film with a transparency of 87 %. This increase is achieved by BNNTs serving as an additional thermal conducting path. The relationship between the thermal conductance increase and transparency of the SWCNT film is studied by a structured modeling of the SWCNT film. We also discuss the effect of annealing on the thermal conductance of SWCNTs before BNNT growth. Along with the preservation of high electrical conductance, the enhanced thermal conductance of the heterostructured SWCN-BNNT films makes them a promising building block for thermal and optoelectronic applications.
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1. Wang P. и др. Enhanced In-Plane Thermal Conductance of Thin Films Composed of Coaxially Combined Single-Walled Carbon Nanotubes and Boron Nitride Nanotubes // ACS Nano. 2020. Т. 14. № 4. С. 4298–4305.
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TY - JOUR

DO - 10.1021/acsnano.9b09754

UR - http://dx.doi.org/10.1021/acsnano.9b09754

TI - Enhanced In-Plane Thermal Conductance of Thin Films Composed of Coaxially Combined Single-Walled Carbon Nanotubes and Boron Nitride Nanotubes

T2 - ACS Nano

AU - Wang, Pengyingkai

AU - Zheng, Yongjia

AU - Inoue, Taiki

AU - Xiang, Rong

AU - Shawky, Ahmed

AU - Watanabe, Makoto

AU - Anisimov, Anton

AU - Kauppinen, Esko I.

AU - Chiashi, Shohei

AU - Maruyama, Shigeo

PY - 2020

DA - 2020/04/09

PB - American Chemical Society (ACS)

SP - 4298-4305

IS - 4

VL - 14

SN - 1936-0851

SN - 1936-086X

ER -

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@article{Wang_2020,

doi = {10.1021/acsnano.9b09754},

url = {https://doi.org/10.1021%2Facsnano.9b09754},

year = 2020,

month = {apr},

publisher = {American Chemical Society ({ACS})},

volume = {14},

number = {4},

pages = {4298--4305},

author = {Pengyingkai Wang and Yongjia Zheng and Taiki Inoue and Rong Xiang and Ahmed Shawky and Makoto Watanabe and Anton Anisimov and Esko I. Kauppinen and Shohei Chiashi and Shigeo Maruyama},

title = {Enhanced In-Plane Thermal Conductance of Thin Films Composed of Coaxially Combined Single-Walled Carbon Nanotubes and Boron Nitride Nanotubes},

journal = {{ACS} Nano}

}

MLA
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Wang, Pengyingkai, et al. “Enhanced In-Plane Thermal Conductance of Thin Films Composed of Coaxially Combined Single-Walled Carbon Nanotubes and Boron Nitride Nanotubes.” ACS Nano, vol. 14, no. 4, Apr. 2020, pp. 4298–305. Crossref, https://doi.org/10.1021/acsnano.9b09754.