Piezoelectric nanogenerators based on zinc oxide nanowire arrays

Science
Zhong Lin Wang, Jinhui Song

Abstract

We have converted nanoscale mechanical energy into electrical energy by means of piezoelectric zinc oxide nanowire (NW) arrays. The aligned NWs are deflected with a conductive atomic force microscope tip in contact mode. The coupling of piezoelectric and semiconducting properties in zinc oxide creates a strain field and charge separation across the NW as a result of its bending. The rectifying characteristic of the Schottky barrier formed between the metal tip and the NW leads to electrical current generation. The efficiency of the NW-based piezoelectric power generator is estimated to be 17 to 30%. This approach has the potential of converting mechanical, vibrational, and/or hydraulic energy into electricity for powering nanodevices.

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Citations

Jan 1, 2009·Nanoscale Research Letters·Huibiao LiuDaoben Zhu
Jan 1, 2009·Nanoscale Research Letters·Yong ZhuZhonglin Wang
Aug 31, 2010·Nanoscale Research Letters·Xiao Meng ChenLi De Zhang
May 2, 2013·Journal of Molecular Graphics & Modelling·Ernesto Chigo Anota, Gregorio Hernández Cocoletzi
Jun 20, 2012·ACS Applied Materials & Interfaces·Youngmin LeeYong-Mook Kang
Jul 7, 2012·ACS Applied Materials & Interfaces·Yan LiuC P Wong
Jul 13, 2012·ACS Applied Materials & Interfaces·Junpeng WangYing Dai
Jul 11, 2012·ACS Applied Materials & Interfaces·Fengyu ShenGangfeng Wang
Apr 17, 2013·ACS Applied Materials & Interfaces·Luca ValentiniJosè M Kenny
Mar 14, 2013·ACS Applied Materials & Interfaces·Liang ZhangZhiqiang Shi
Jun 1, 2013·ACS Applied Materials & Interfaces·Ke WangHuibiao Liu
Oct 3, 2013·ACS Applied Materials & Interfaces·By Jesus M VelazquezSarbajit Banerjee
Dec 18, 2013·ACS Applied Materials & Interfaces·Yuanjie SuZhong Lin Wang
Oct 11, 2012·Environmental Science & Technology·Pengyu ChenPu Chun Ke
May 29, 2010·Journal of the American Chemical Society·Yonghui DengDongyuan Zhao
Oct 19, 2010·Journal of the American Chemical Society·Ke SunDeli Wang
Oct 16, 2010·Journal of the American Chemical Society·Hyeon-Jin ShinYoung Hee Lee
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Oct 1, 2009·Journal of the American Chemical Society·Yang YangUlrich Gösele
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Oct 20, 2011·Nano Letters·Ronghui QueShuit-Tong Lee

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