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Electrostatic oscillations of conductive CNT bundles have been successfully demonstrated in air environment. Three unique characteristics have been observed and characterized. First, CNT bundles have been constructed by a simple “pick, stick and break” process using a regular probe tip from vertically aligned CNT forest on a silicon substrate. Second, CNT bundles have been actuated statically under...
This paper presents the design, fabrication and synthesis of a carbon nanotube Pirani vacuum gauge which comprises 5-μm-long SWNTs as heater and Au/W as electrodes. Results show that the TCR of SWNTs is negative and about -0.004/°C. SWNTs Pirani vacuum gauge was demonstrated with a dynamic range of 2500Pa to 40Pa in air environment. The average sensitivity of SWNTs Pirani vacuum gauge is about 914Ω/Pa...
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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