Hydroelectric generator from transparent flexible zinc oxide nanofilms

Xuemei Li, Chun Shen, Qin Wang, Chi Man Luk, Baowen Li, Jun Yin, Shu Ping Lau, Wanlin Guo

Research output: Journal article publicationJournal articleAcademic researchpeer-review

37 Citations (Scopus)


Here we demonstrate that moving a transparent flexible ZnO nanofilm across the surface of ionic solutions can generate electricity. The generated electricity increases linearly with the moving velocity with an open-circuit voltage up to tens of millivolt and a short-circuit current at the order of microampere. The harvested electricity can be efficiently scaled up through series and parallel connections. Theoretical simulations show that it is the proper electrical property that endows the ZnO nanofilm with the outstanding capacity in harvesting the wave energy.
Original languageEnglish
Pages (from-to)125-129
Number of pages5
JournalNano Energy
Publication statusPublished - 1 Feb 2017


  • Energy harvest
  • Flexible
  • Transparent
  • Wave energy
  • Waving potential
  • Zinc oxide nanofilm

ASJC Scopus subject areas

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


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