Alternative nanostructures for thermophones

ACS Nano
Ali E AlievSeon Jeong Kim

Abstract

Thermophones are highly promising for applications such as high-power SONAR arrays, flexible loudspeakers, and noise cancellation devices. So far, freestanding carbon nanotube aerogel sheets provide the most attractive performance as a thermoacoustic heat source. However, the limited accessibility of large-size freestanding carbon nanotube aerogel sheets and other even more exotic materials recently investigated hampers the field. We describe alternative materials for a thermoacoustic heat source with high-energy conversion efficiency, additional functionalities, environmentally friendly, and cost-effective production technologies. We discuss the thermoacoustic performance of alternative nanostructured materials and compare their spectral and power dependencies of sound pressure in air. We demonstrate that the heat capacity of aerogel-like nanostructures can be extracted by a thorough analysis of the sound pressure spectra. The study presented here focuses on engineering thermal gradients in the vicinity of nanostructures and subsequent heat dissipation processes from the interior of encapsulated thermoacoustic projectors. Applications of thermoacoustic projectors for high-power SONAR arrays, sound cancellation, and optimal the...Continue Reading

References

Aug 20, 2005·Science·Mei ZhangRay H Baughman
May 29, 2010·Nano Letters·Ali E AlievRay H Baughman
Nov 3, 2010·Nano Letters·V VesterinenP Helistö
May 20, 2011·ACS Nano·He TianLi-Tian Liu
Oct 5, 2011·Nanotechnology·Ali E AlievRay H Baughman
Jul 7, 2012·Advanced Materials·Hengchang BiRodney S Ruoff
May 15, 2013·Nanotechnology·Ali E AlievRay H Baughman

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Citations

Dec 1, 2015·Small·Choong Sun KimJung-Woo Choi
May 24, 2016·Advanced Materials·Chuan-Fu SunYuHuang Wang
Aug 18, 2016·ACS Applied Materials & Interfaces·Choong Sun KimJung-Woo Choi
Nov 2, 2016·ACS Applied Materials & Interfaces·Ali E AlievJohn P Ferraris
Dec 3, 2017·The Journal of the Acoustical Society of America·Benjamin R DzikowiczJeffrey W Baldwin
May 22, 2020·Nanotechnology·Ali E Aliev, Ray H Baughman
Sep 19, 2019·Scientific Reports·Francesco De NicolaStefano Lupi
May 4, 2017·Scientific Reports·M S Heath, D W Horsell
May 4, 2017·The Journal of the Acoustical Society of America·L H TongC W Lim
Oct 27, 2016·Nanotechnology·J J BrownV M Bright
Oct 17, 2018·Nanomaterials·Paolo La TorracaLuca Larcher
Jul 22, 2021·Advanced Materials·Alexandre F CarvalhoFlorinda M Costa
May 27, 2020·ACS Applied Materials & Interfaces·Meng ChenZiran Zhao
Mar 19, 2020·ACS Nano·Yancong QiaoTian-Ling Ren

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