| Citation: |
Ye Yun, Guo Tailiang, Jiang Yadong. Application of ZnO nanopillars and nanoflowers to field-emission luminescent tubes[J]. Journal of Semiconductors, 2012, 33(4): 043003. doi: 10.1088/1674-4926/33/4/043003
Ye Y, Guo T L, Jiang Y D. Application of ZnO nanopillars and nanoflowers to field-emission luminescent tubes[J]. J. Semicond., 2012, 33(4): 043003. doi: 10.1088/1674-4926/33/4/043003.
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Application of ZnO nanopillars and nanoflowers to field-emission luminescent tubes
doi: 10.1088/1674-4926/33/4/043003
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Abstract
Zinc oxide (ZnO) nanopillars on a ZnO seed layer and ZnO nanoflowers were synthesized by electrochemical deposition on linear wires. The morphologies and crystal orientation of the ZnO nanostructures were investigated by a scanning electron microscopy and an X-ray diffraction pattern, respectively. Detailed study on the field-emission properties of ZnO nanostructures indicates that nanopillars with a high aspect ratio show good performance with a low turn-on field of 0.16 V/μm and a high field enhancement factor of 2.86CcCc104. A luminescent tube with ZnO nanopillars on a linear wire cathode and a transparent anode could reach a luminance of about 1.5CcCc104 cd/m2 under an applied voltage of 4 kV. -
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