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ytang118木虫 (著名写手)
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王牛牛的Science新文章
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Direct-Current Nanogenerator Driven by Ultrasonic Waves Xudong Wang, Jinhui Song, Jin Liu, Zhong Lin Wang* Science 316, 102 (2007) We have developed a nanowire nanogenerator that is driven by an ultrasonic wave to produce continuous direct-current output. The nanogenerator was fabricated with vertically aligned zinc oxide nanowire arrays that were placed beneath a zigzag metal electrode with a small gap. The wave drives the electrode up and down to bend and/or vibrate the nanowires. A piezoelectricsemiconducting coupling process converts mechanical energy into electricity. The zigzag electrode acts as an array of parallel integrated metal tips that simultaneously and continuously create, collect, and output electricity from all of the nanowires. The approach presents an adaptable, mobile, and cost-effective technology for harvesting energy from the environment, and it offers a potential solution for powering nanodevices and nanosystems. 王牛牛就是牛啊 [ Last edited by 604gq on 2007-4-10 at 13:37 ] |
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2楼2007-04-08 18:26:16
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