One dimensional ZnO nanostructures are envisioned as fundamental building blocks of future electronic, electromechanical, electro-optomechanical nanodevices. Meanwhile, the service behavior and damage in nanomaterials and nanodevices it vital for practical applications. The recent developments in our group for designs, fabrication of energy conversion devices based on ZnO nanomaterials, and some effective approaches for performance enhancement will be presented in this talk. We will focus on the major progress in three area. Firstly, we present the fabrication of wurtzite nanostructures and the property modulation. Then, we introduce the progresses on the piezotronic properties of ZnO nano-materials and prototype piezotronic devices, including piezoelectric field effect transistors, piezoelectric diodes, strain sensors and nanogenerators. Finally, the investigations of property degrading and damage of nanomaterials, and functional degrading and failure of these nanodevices will be presented for future electronic applications.
University of Science and Technology Beijing
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