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Fabrication of biomimetic transparent and flexible pectin/PEG composite film for temperature sensing applications

Publication Type : Journal Article

Publisher : Springer Nature Singapore

Source : Journal of Bionic Engineering Volume 20 Issue 1 Pages 47-56, 2023

Url : https://link.springer.com/article/10.1007/s42235-022-00243-8

Campus : Coimbatore

School : School of Engineering, School of Physical Sciences

Department : Sciences

Year : 2023

Abstract : In the field of robotics to enhance the interaction with humans in real-time and in the bioengineering field to develop prosthetic devices, the need for artificial skin is in high demand. In this work, the hydrogen-bonded complex network structure of the Pectin/PEG composite has been designed, resulting in the free-standing film functioning as a temperature-sensing device. With the gelation technique and the addition of PEG, the film’s flexibility and conductivity were enhanced. The fabricated device worked at a low voltage of 1 V supply with high throughput. With different dimensions, three devices were fabricated, and the maximum-induced ionic current was 34 µA ± 5%. The device has an average sensitivity of 1.3–2.7 µA/°C over the range of 30 °C to 42 °C. The device's fastest response time to sense the temperature change was 2 s ± 5%. The present device exhibits good stability for a long duration of time. These pectin/PEG films can be used as biomimetic skin to improve the efficiency in sensing the temperature.

Cite this Research Publication : ME Harikumar, Sudip K Batabyal, "Fabrication of biomimetic transparent and flexible pectin/PEG composite film for temperature sensing applications", Journal of Bionic Engineering Volume 20 Issue 1 Pages 47-56, 2023

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