Highly anisotropic power generation in piezoelectric hemispheres composed stretchable composite film for self-powered motion sensor

Jinsung Chun; Na Ri Kang; Ju Young Kim; Myoung Sub Noh; Chong Yun Kang; Dukhyun Choi; Sang Woo Kim; Zhong Lin Wang; Jeong Min Baik

doi:10.1016/j.nanoen.2014.10.010

Highly anisotropic power generation in piezoelectric hemispheres composed stretchable composite film for self-powered motion sensor

Jinsung Chun, Na Ri Kang, Ju Young Kim, Myoung Sub Noh, Chong Yun Kang, Dukhyun Choi, Sang Woo Kim, Zhong Lin Wang, Jeong Min Baik

KU-KIST Graduate School of Converging Science and Technology

Research output: Contribution to journal › Article › peer-review

121 Citations (Scopus)

Abstract

Highly-stretchable piezoelectric hemispheres composed composite thin film nanogenerators are fabricated as a self-powered, exceptionally sensitive sensor for providing sensitive motion information from a human body. The composite films are based on the highly-ordered piezoelectric hemispheres embedded in a soft matrix, polydimethylsiloxane (PDMS) and generate large power output up to 6V and 0.2μA/cm² under normal bending force. The electrical outputs increase by stacking such hemispheres layer-by-layer. The strain sensitivity of the films differs according to the bending direction, and the high sensitivity is achieved by convex bending for hemisphere composite due to the strong electric dipole alignment. The films are attached on the surface of a wrist and its output voltage/current density provides the information on the wrist motion.

Original language	English
Pages (from-to)	1-10
Number of pages	10
Journal	Nano Energy
Volume	11
DOIs	https://doi.org/10.1016/j.nanoen.2014.10.010
Publication status	Published - 2015 Jan 1

Bibliographical note

Funding Information:
This work was financially supported by the National Research Foundation of Korea (NRF) grant funded by the Ministry of Education, Science and Technology (MEST) ( 2012R1A2A1A01002787 ), the KIST-UNIST partnership program (2V03870) or equivalently by the 2014 Research Fund (1.140019.01) of UNIST (Ulsan National Institute of Science and Technology), and the Pioneer Research Center Program through the National Research Foundation of Korea funded by the Ministry of Science, ICT & Future Planning (NRF- 2013M3C1A3063602 ).

Publisher Copyright:
© 2014 Elsevier Ltd.

Keywords

Anisotropic
Composite
Hemispheres
Nanogenerator
Piezoelectrics
Stretchable

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
General Materials Science
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.nanoen.2014.10.010

Cite this

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title = "Highly anisotropic power generation in piezoelectric hemispheres composed stretchable composite film for self-powered motion sensor",

abstract = "Highly-stretchable piezoelectric hemispheres composed composite thin film nanogenerators are fabricated as a self-powered, exceptionally sensitive sensor for providing sensitive motion information from a human body. The composite films are based on the highly-ordered piezoelectric hemispheres embedded in a soft matrix, polydimethylsiloxane (PDMS) and generate large power output up to 6V and 0.2μA/cm2 under normal bending force. The electrical outputs increase by stacking such hemispheres layer-by-layer. The strain sensitivity of the films differs according to the bending direction, and the high sensitivity is achieved by convex bending for hemisphere composite due to the strong electric dipole alignment. The films are attached on the surface of a wrist and its output voltage/current density provides the information on the wrist motion.",

keywords = "Anisotropic, Composite, Hemispheres, Nanogenerator, Piezoelectrics, Stretchable",

author = "Jinsung Chun and Kang, {Na Ri} and Kim, {Ju Young} and Noh, {Myoung Sub} and Kang, {Chong Yun} and Dukhyun Choi and Kim, {Sang Woo} and {Lin Wang}, Zhong and {Min Baik}, Jeong",

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AU - Chun, Jinsung

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AU - Choi, Dukhyun

AU - Kim, Sang Woo

AU - Lin Wang, Zhong

AU - Min Baik, Jeong

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N2 - Highly-stretchable piezoelectric hemispheres composed composite thin film nanogenerators are fabricated as a self-powered, exceptionally sensitive sensor for providing sensitive motion information from a human body. The composite films are based on the highly-ordered piezoelectric hemispheres embedded in a soft matrix, polydimethylsiloxane (PDMS) and generate large power output up to 6V and 0.2μA/cm2 under normal bending force. The electrical outputs increase by stacking such hemispheres layer-by-layer. The strain sensitivity of the films differs according to the bending direction, and the high sensitivity is achieved by convex bending for hemisphere composite due to the strong electric dipole alignment. The films are attached on the surface of a wrist and its output voltage/current density provides the information on the wrist motion.

AB - Highly-stretchable piezoelectric hemispheres composed composite thin film nanogenerators are fabricated as a self-powered, exceptionally sensitive sensor for providing sensitive motion information from a human body. The composite films are based on the highly-ordered piezoelectric hemispheres embedded in a soft matrix, polydimethylsiloxane (PDMS) and generate large power output up to 6V and 0.2μA/cm2 under normal bending force. The electrical outputs increase by stacking such hemispheres layer-by-layer. The strain sensitivity of the films differs according to the bending direction, and the high sensitivity is achieved by convex bending for hemisphere composite due to the strong electric dipole alignment. The films are attached on the surface of a wrist and its output voltage/current density provides the information on the wrist motion.

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Highly anisotropic power generation in piezoelectric hemispheres composed stretchable composite film for self-powered motion sensor

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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