Posted in | News | Electronics

New Piezoelectric Material Demonstrates Superior Performance

Teijin, the company specializing in high performance fibers and Kansai University in Japan have jointly developed a new piezoelectric material derived from polylactic acid that exhibits exceptional piezoelectric properties.

The transparent, flexible material is the result of collaboration between the New Films Development Division of Tejin and Professor Yoshiro Tajitsu from Kansai University’s Faculty of Engineering Science.

Piezoelectric effect is the phenomenon observed in certain materials in which strain generated by application of pressure is converted into proportional electric power. Such materials usually find application in vibration or impact sensors. The inverse piezoelectric effect, which is the reverse phenomenon in which applied electric power generates distortion, is employed in ultrasonic transducers, amplifiers and actuators. Lead zirconate titanate (PZT) is the most commonly used piezoelectric material. The new material supersedes PZT in terms of piezoelectric performance and apart from being environmentally friendly, could be the basis for the development of bigger, lightweight devices previously difficult to devise. The manufacturing method for the new material involves simple coextrusion technique that involves alternating lamination of films of two types of polylactic acid, namely, optical isomer poly-D-lactic acid (PDLA) and poly-L-lactic acid (PLLA). The piezoelectric motions demonstrated by the PDLA and PLLA films when subject to electric fields of the same orientation are in opposite directions. Aligning the two piezoelectric motions in the same direction is achieved by introducing alternate positive and negative electrodes between the two types of films. Research revealed that piezoelectricity of the new material is enhanced drastically with level of material purity. The material has the distinction of being the world’s first multilayer, binary blended PLA film demonstrating excellent piezoelectric effects.


Disclaimer: The views expressed here are those of the author expressed in their private capacity and do not necessarily represent the views of Limited T/A AZoNetwork the owner and operator of this website. This disclaimer forms part of the Terms and conditions of use of this website.

G.P. Thomas

Written by

G.P. Thomas

Gary graduated from the University of Manchester with a first-class honours degree in Geochemistry and a Masters in Earth Sciences. After working in the Australian mining industry, Gary decided to hang up his geology boots and turn his hand to writing. When he isn't developing topical and informative content, Gary can usually be found playing his beloved guitar, or watching Aston Villa FC snatch defeat from the jaws of victory.


Please use one of the following formats to cite this article in your essay, paper or report:

  • APA

    Teijin Limited. (2019, February 09). New Piezoelectric Material Demonstrates Superior Performance. AZoM. Retrieved on September 27, 2022 from

  • MLA

    Teijin Limited. "New Piezoelectric Material Demonstrates Superior Performance". AZoM. 27 September 2022. <>.

  • Chicago

    Teijin Limited. "New Piezoelectric Material Demonstrates Superior Performance". AZoM. (accessed September 27, 2022).

  • Harvard

    Teijin Limited. 2019. New Piezoelectric Material Demonstrates Superior Performance. AZoM, viewed 27 September 2022,

Tell Us What You Think

Do you have a review, update or anything you would like to add to this news story?

Leave your feedback
Your comment type