实验提出以多壁碳纳米管(MWCNT)/ZnO纳米线复合材料作为场发射阴极薄膜,研究其图形化制备工艺以及其场发射特性.用丝网印刷工艺制备图形化MWCNT/ZnO纳米线复合阴极薄膜,实验获得合适的浆料配比以及适合的烘烤和烧结温度.对MWCNT/ZnO纳米线样品进行SEM分析和场发射特性测试,发现图形化阴极设计提高了场发射电流,并且改善场发射发光均匀度;材料组分的低维化明显降低场发射开启电压;加电老练处理有效改善场发射特性.
参考文献
[1] | Deheer WA;Chatelain A;Ugarte D .A CARBON NANOTUBE FIELD-EMISSION ELECTRON SOURCE[J].Science,1995(5239):1179-1180. |
[2] | Sashiro Uemura;Junko Yotani;Takeshi Nagasako.High-luminance carbon nanotubo FED[A].U SLong Beach New York:320-322. |
[3] | Ke Yu;Zhang Y S;Xu F et al.Significant improvement of field emission by depositing zinc oxide nanostruetures on screen-printed carbon nanotube films[J].Applied Physics Letters,2006,88:153123. |
[4] | S. H. Jo;J. Y. Lao;Z. F. Ren;R. A. Farrer;T. Baldacchini;J. T. Fourkas .Field-emission studies on thin films of zinc oxide nanowires[J].Applied physics letters,2003(23):4821-4823. |
[5] | Huang L;Lau S P;Yang H Y et al.YuStable Superhydrophobie Surface via Carbon Nanotubes Coated with a ZnO Thin Film[J].Journal of Physical Chemistry B,2005,109:7746-7748. |
[6] | Sekizawa K.;Maeda S.;Ozawa Y.;Eguchi K.;Widjaja H. .Low temperature oxidation of methane over Pd/SnO2 catalyst[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2000(1/2):211-217. |
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