Issue 13, 2019

Recent advances in nanomaterial-enabled acoustic devices for audible sound generation and detection

Abstract

Acoustic devices are widely applied in telephone communication, human–computer voice interaction systems, medical ultrasound examination, and other applications. However, traditional acoustic devices are hard to integrate into a flexible system and therefore it is necessary to fabricate light weight and flexible acoustic devices for audible sound generation and detection. Recent advances in acoustic devices have greatly overcome the limitations of conventional acoustic sensors in terms of sensitivity, tunability, photostability, and in vivo applicability by employing nanomaterials. In this review, light weight and flexible nanomaterial-enabled acoustic devices (NEADs) including sound generators and sound detectors are covered. Additionally, the fundamental concepts of acoustic as well as the working principle of the NEAD are introduced in detail. Also, the structures of future acoustic devices, such as flexible earphones and microphones, are forecasted. Further exploration of flexible acoustic devices is a key priority and will have a great impact on the advancement of intelligent robot–human interaction and flexible electronics.

Graphical abstract: Recent advances in nanomaterial-enabled acoustic devices for audible sound generation and detection

Article information

Article type
Review Article
Submitted
06 Dec 2018
Accepted
12 Feb 2019
First published
28 Feb 2019

Nanoscale, 2019,11, 5839-5860

Recent advances in nanomaterial-enabled acoustic devices for audible sound generation and detection

H. Ding, X. Shu, Y. Jin, T. Fan and H. Zhang, Nanoscale, 2019, 11, 5839 DOI: 10.1039/C8NR09736D

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