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xiaosan荣誉版主 (著名写手)
Nanowires
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王中林关于氧化锌最新Science文章
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虽然偶做氧化锌纳米线相关工作也有一段时日,但是至今未取得什么自己满意的成果,总以为氧化锌方面没什么大前途了,不过这篇文章却证明其实还有很多未知的东西。 Science 14 April 2006: Vol. 312. no. 5771, pp. 242 - 246 DOI: 10.1126/science.1124005 Prev | Table of Contents | Next Reports Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays Zhong Lin Wang1,2,3* and Jinhui Song1 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. 1 School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA. 2 Department of Advanced Materials and Nanotechnology, College of Engineering, Peking University, Beijing 100871, China. 3 National Center for Nanoscience and Technology, Beijing 100080, China. * To whom correspondence should be addressed. E-mail: zhong.wang@mse.gatech.edu 点击下载全文 http://www.nanoscience.gatech.ed ... 06/06_SCIENCE_1.pdf |
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