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北京石油化工学院2026年研究生招生接收调剂公告
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[资源] Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays

Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays

14 APRIL 2006 VOL 312 SCIENCE

Zhong Lin Wang and Jinhui Song


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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谢谢!可惜不能给你评价。
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