Transparent, flexible, ultrathin sound source devices using Indium Tin oxide films
- 25 July 2011
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 99 (4), 043503
- https://doi.org/10.1063/1.3617462
Abstract
Thermoacoustic effects were observed in 100-nm indium tin oxide (ITO) films. The sound emission from the ITO films was measured as a function of power, distance, and frequency. Significant flat and wide frequency responses occurred between 20 and 50 kHz. The sound pressure and efficiency were in good agreement with theoretical results. This indicates that a thermoacoustic effect exists in metal-oxide materials and that a large family of transparent electrode materials may exhibit similar properties. Using the ultrathin, transparent, and flexible characteristics, we showed promising applications of ITO sound source devices that were integrated with liquid crystal display screens.This publication has 17 references indexed in Scilit:
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