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This paper presents the fabrication and test of a low-frequency ZnO-Nanowires (NWs) based energy harvesting device. The vertically aligned ZnO NWs are grown by hydrothermal method of low temperature and low cost. A flexible PDMS cantilever of low resonance is employed to be the mechanical vibration carrier of a top electrode. The periodic impact between the top electrode and a bottom ZnO NWs substrate...
Three-dimensional (3D) supercapacitors have been demonstrated using vertically aligned carbon nanotubes (CNT) arrays and electroplated nickel nanoparticles. Two significant achievements have been demonstrated in this work: (1) a unique and reliable vacuum-assisted electroplating methodology for the uniform deposition of nickel nanoparticles on CNTs up to 150 ??m in length, and (2) usage of pseudo...
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