Flexible, Stretchable, Transparent Carbon Nanotube Thin Film Loudspeakers
Citations Over TimeTop 1% of 2008 papers
Abstract
We found that very thin carbon nanotube films, once fed by sound frequency electric currents, could emit loud sounds. This phenomenon could be attributed to a thermoacoustic effect. The ultra small heat capacity per unit area of carbon nanotube thin films leads to a wide frequency response range and a high sound pressure level. On the basis of this finding, we made practical carbon nanotube thin film loudspeakers, which possess the merits of nanometer thickness and are transparent, flexible, stretchable, and magnet-free. Such a single-element thin film loudspeaker can be tailored into any shape and size, freestanding or on any insulating surfaces, which could open up new applications of and approaches to manufacturing loudspeakers and other acoustic devices.
Related Papers
- → Construction of a Multiway Carbon Nanotube Loudspeaker with Finely Tunable Resonance Frequencies(2017)7 cited
- Controlled Acoustic Bass System (CABS) A Method to Achieve Uniform Sound Field Distribution at Low Frequencies in Rectangular Rooms(2008)
- Application of the Parametric Loudspeakers in Active Noise Control(2011)
- → Optimizing the sound pressure levels at low frequency limits of electrodynamic loudspeakers(2009)
- → Interior noise control through tuned loudspeaker absorption(2002)