Thermoacoustic properties of multi-wall carbon nanotube sheet for loudspeaker application

被引：7
|
作者：
Ahn, Dante [1 ]
Ahn, Seung-Eon [1 ]
机构：
[1] Korea Polytech Univ, Dept Nanoopt Engn, Shihung 15073, Gyeonggi Do, South Korea
来源：
MATERIALS LETTERS | 2020年 / 263卷
关键词：
Carbon nanotube (CNT) sheet; Thermoacoustic speaker; Thermoacoustic sound; TRANSPARENT;
D O I：
10.1016/j.matlet.2019.127242
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Carbon nanotube (CNT) sheets drawn from vertically grown CNT forests have the potential for application to thermoacoustic systems. The small heat capacity of the CNT sheet leads to a high sound pressure level by the input AC signal. We show through various assemblies with different structural parameters that the electrical properties of CNT sheet speakers and the heat spreading into the surrounding medium are closely related to the sound pressure levels. (C) 2019 Elsevier B.V. All rights reserved.
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页数：3
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