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.

Keywords

NanogeneratorZigzagNanowireMaterials sciencePiezoelectricityElectrodeUltrasonic sensorOptoelectronicsNanotechnologyEnergy harvestingElectricityElectrical engineeringAcousticsEnergy (signal processing)Composite materialEngineering

Affiliated Institutions

Related Publications

Publication Info

Year
2007
Type
article
Volume
316
Issue
5821
Pages
102-105
Citations
2224
Access
Closed

External Links

View on DOI.org

Social Impact

Altmetric
PlumX Metrics

Social media, news, blog, policy document mentions

Citation Metrics

2224
OpenAlex

Cite This

Xudong Wang, Jinhui Song, Liu Jin et al. (2007). Direct-Current Nanogenerator Driven by Ultrasonic Waves. Science , 316 (5821) , 102-105. https://doi.org/10.1126/science.1139366

Identifiers

DOI
10.1126/science.1139366