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Proceedings Paper

Strain sensor based on cellulose ZnO hybrid nanocomposite
Author(s): Hyun-U Ko; Gyu-Young Yun; Joo Hyung Kim; Jaehwan Kim
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Paper Abstract

ZnO is well known semiconductor material with high band gap as well as piezoelectricity. Because of its high performance of electromechanical behavior, ZnO based piezoelectric devices have taken great attention from many research groups. However, ZnO should be grown on a flexible substrate so as to allow its flexibility. Since cellulose is renewable, flexible and biocompatible, ZnO is grown on cellulose by hydrothermal process, then a novel flexible piezoelectric material. We report the fabrication and strain sensor behavior of cellulose ZnO hybrid nanocomposite(CEZOHN) In this research, simple piezoelectric strain sensor based on CEZOHN is made by directly stretching it and by boding it on a cantilever. Its performance is measured in terms of longitudinal and bending strain. This strain sensor shows a good linearity.

Paper Details

Date Published: 16 April 2014
PDF: 5 pages
Proc. SPIE 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014, 90600Q (16 April 2014); doi: 10.1117/12.2044957
Show Author Affiliations
Hyun-U Ko, Inha Univ. (Korea, Republic of)
Gyu-Young Yun, Inha Univ. (Korea, Republic of)
Joo Hyung Kim, Inha Univ. (Korea, Republic of)
Jaehwan Kim, Inha Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 9060:
Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014
Vijay K. Varadan, Editor(s)

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