Direct-Current Nanogenerator Driven by Ultrasonic Waves

by: Xudong Wang, Jinhui Song, Jin Liu, Zhong L Wang

Science, Vol. 316, No. 5821. (6 April 2007), pp. 102-105.

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Abstract

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 piezoelectric-semiconducting 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. 10.1126/science.1139366

@article{citeulike:1479860, abstract = {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 piezoelectric-semiconducting 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. 10.1126/science.1139366}, author = {Wang, Xudong and Song, Jinhui and Liu, Jin and Wang, Zhong L. }, citeulike-article-id = {1479860}, doi = {http://dx.doi.org/10.1126/science.1139366}, journal = {Science}, keywords = {2007, atlanta, cool, gt, nano, people, science}, month = {April}, number = {5821}, pages = {102--105}, posted-at = {2008-07-24 19:25:40}, priority = {2}, title = {Direct-Current Nanogenerator Driven by Ultrasonic Waves}, url = {http://dx.doi.org/10.1126/science.1139366}, volume = {316}, year = {2007} }

RIS record

TY - JOUR ID - citeulike:1479860 L3 - citeulike-article-id:1479860 N2 - 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 piezoelectric-semiconducting 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. 10.1126/science.1139366 IS - 5821 JF - Science EP - 105 TI - Direct-Current Nanogenerator Driven by Ultrasonic Waves VL - 316 SP - 102 KW - 2007 KW - atlanta KW - cool KW - gt KW - nano KW - people KW - science AU - Wang, Xudong AU - Song, Jinhui AU - Liu, Jin AU - Wang, Zhong PY - 2007/04/06/ UR - http://dx.doi.org/10.1126/science.1139366 ER -

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