2013
DOI: 10.1016/j.diamond.2013.02.001
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Zinc oxide nanostructure decorated amorphous carbon nanotubes: An improved field emitter

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Cited by 24 publications
(9 citation statements)
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“…However, the moderate turn-on field of ZnO nanostructures (9.1 V/µm at a current density of 10 -3 µm/cm 2 ) [5] and limitations in their lengths (not more than 1-20 µ m) [6] have impeded their application in FEE devices. Numerous modifications of ZnO nanostructures have been conducted to enhance FEE properties, such as density controlling and oxygen treatments [7], length controlling treatments [8] and composition alterations using amorphous carbon [9]. However, these approaches are not simple and are expensive because they require high temperature and pressure during the fabrication process.…”
Section: Introductionmentioning
confidence: 99%
“…However, the moderate turn-on field of ZnO nanostructures (9.1 V/µm at a current density of 10 -3 µm/cm 2 ) [5] and limitations in their lengths (not more than 1-20 µ m) [6] have impeded their application in FEE devices. Numerous modifications of ZnO nanostructures have been conducted to enhance FEE properties, such as density controlling and oxygen treatments [7], length controlling treatments [8] and composition alterations using amorphous carbon [9]. However, these approaches are not simple and are expensive because they require high temperature and pressure during the fabrication process.…”
Section: Introductionmentioning
confidence: 99%
“…[ 24 ] CFs grown with nanostructures on the surface, that is, nano‐whiskered CFs, not only maintain their inherent high strength, low resistivity, and high‐thermal conductivity, as well as being significantly enhanced in terms of mechanical properties and interfacial bonding properties. Various techniques, including chemical vapor deposition (CVD), [ 25 ] electrophoretic deposition (EPD), [ 26 ] microwave treatment, [ 27 ] and hydrothermal methods, [ 28 ] have been employed for the controlled growth of different nanostructures, such as nanosheets, [ 26 ] nanowires, [ 29 ] nanotubes, [ 30 ] and nanoflowers, [ 31 ] on the surface of CFs. After whiskerization, independent binder‐free composites with multiscale are formed by integrating the grown nanostructures with the CF substrate.…”
Section: Introductionmentioning
confidence: 99%
“…Sarker et al applied the anodic aluminum oxide template method and the ACNTs-MnO 2 hybrids were further coated with graphene oxide [ 24 ] or composite ACNTs-MnO 2 without graphene [ 25 ]. Depending on the applications, composites like ACNTs-ZnO [ 26 ], ACNTs-CuPc [ 7 ], ACNTs-NiO [ 27 ], ACNTs-TiO 2 [ 28 ], ACNTs-Fe 2 O 3 -Mn 2 O 3 [ 29 ], ACNTs-CuO [ 30 ], ACNTs-SiO 2 [ 31 ], and ACNTs-polyvinyl chloride [ 32 ] were also used.…”
Section: Introductionmentioning
confidence: 99%