Gigantic enhancement of electricity generation in piezoelectric semiconductors by creating pores as a universal approach

Yu Lun Su, Kapil Gupta, Yu Liang Hsiao, Ruey Chi Wang, Chuan Pu Liu

研究成果: Article

2 引文 (Scopus)

摘要

In the Internet of Things era, both self-powered nanodevices and nanogenerators (NGs) that harvest energy from mechanical vibrations are highly attractive, prompting a rapid surge in research on enhancing their performance. We demonstrate a versatile approach for diverse materials, by altering the microstructure with discontinuous nano-pores in one-dimensional nanostructures, which can be readily extended to higher-dimensional single crystal materials, such as epitaxial thin films. This novel approach is demonstrated for two applications, direct-current (DC) NGs and piezotronics, by taking ZnO as a model, where remarkably enhanced performance is demonstrated in theoretical simulations and confirmed by experiments. Here, we report that porous ZnO nanowire based DC-NGs demonstrated ~23 times enhancement of output performance, and strain-gated transistors exhibited ~6 times enhancement of force sensitivity. This can potentially augment energy harvesting and pressure sensing for many applications, such as self-powered nano-devices and touch panels.

原文English
頁(從 - 到)410-417
頁數8
期刊Energy and Environmental Science
12
發行號1
DOIs
出版狀態Published - 2019 一月

指紋

electricity generation
Electricity
Semiconductor materials
Energy harvesting
Epitaxial films
Nanowires
energy
Nanostructures
microstructure
Transistors
Single crystals
crystal
Thin films
Microstructure
simulation
experiment
Experiments
semiconductor
material
Internet of things

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Pollution

引用此文

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Gigantic enhancement of electricity generation in piezoelectric semiconductors by creating pores as a universal approach. / Su, Yu Lun; Gupta, Kapil; Hsiao, Yu Liang; Wang, Ruey Chi; Liu, Chuan Pu.

於: Energy and Environmental Science, 卷 12, 編號 1, 01.2019, p. 410-417.

研究成果: Article

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