Two dimensional woven nanogenerator

Suo Bai, Lu Zhang, Qi Xu, Youbin Zheng, Yong Qin, Zhong Lin Wang

Research output: Contribution to journalArticlepeer-review

79 Scopus citations

Abstract

Nanogenerator (NG) plays an important role in harvesting energy from the ambient environment. Here, we have developed a two dimensional woven nanogenerator (WNG), which imitates the textile's woven structure and is composed of two kinds of fibers crossing with each other, one kind of fibers grown with ZnO nanowires (NWs) and the other kind of fibers covered with the ZnO NWs coated with palladium (Pd) on their surface. Depending on the coupled piezoelectric and semiconducting properties of ZnO, it can generate electricity driven by the external tiny mechanical force such as tiny wind, sounds. The open-circuit voltage and short-circuit current of the WNG were 3. mV and 17. pA, respectively. Furthermore, the WNG was successfully used to power a microfiber/ZnO NWs hybrid UV sensor to form a wearable self-powered system, which can quantitatively detect the intensity of UV light.

Original languageEnglish
Pages (from-to)749-753
Number of pages5
JournalNano Energy
Volume2
Issue number5
DOIs
StatePublished - 1 Sep 2013
Externally publishedYes

Keywords

  • Energy harvesting
  • Fabric nanogenerator
  • Self-powered system
  • UV sensor
  • ZnO nanowires

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • General Materials Science
  • Electrical and Electronic Engineering

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