玻璃上自旋碳纳米管浆料具有稳定的高发射电流

Technical Digest of the 17th International Vacuum Nanoelectronics Conference (IEEE Cat. No.04TH8737) Pub Date : 2005-04-06 DOI:10.1116/1.1880192

Jae-Hong Park, J. Moon, Jae-Hee Han, A. Berdinsky, J. Yoo, Chong-Yun Park

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引用次数: 11

摘要

用不同的无机粘结剂如玻璃熔块和玻璃自旋(SOG)制备了碳纳米管(CNT)浆料。采用气相沉积法生长的MWNT粉末作为电子发射源。采用三辊磨工艺对碳纳米管粉体在有机载体中作为聚合物基质进行了混合和分散。碳纳米管浆料被印刷在各种衬底上，如铟薄氧化物(ITO)涂层的钠石灰玻璃和镍板。然后在不同的环境和温度下烧结碳纳米管膏体。采用场发射扫描电镜(FESEM)对阴极层表面形貌进行了分析。在5/spl倍/10/sup -6/ Torr的高真空室中，采用并联二极管结构测量了碳纳米管浆料的有限元特性。我们得到了稳定的高发射电流的碳纳米管浆料。实验结果表明，含SOG的碳纳米管浆料可以用作射频放大器、场发射显示器和x射线管等真空纳米电子器件的高效电子发射体。

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Stable and high emission current from carbon nanotube paste with spin on glass

We prepared carbon nanotube (CNT) pastes with different inorganic binders such as glass frit and spin on glass (SOG). MWNT powders grown by CVD were used for electron emissive source. The three-roll mill process was carried out for mixing and dispersion of CNT powders in organic vehicle as polymer matrix. CNT paste was printed onto various substrates such as an indium thin oxide (ITO) coated soda lime glass and a nickel plate. Then CNT paste was sintered under different ambient and temperature. For the analysis of the surface morphology of the cathode layer, field-emission scanning electron microscopy (FESEM) was used. The FE characteristics of CNT paste were measured in a high vacuum chamber with a parallel diode type configuration at 5/spl times/10/sup -6/ Torr. We obtained stable and high emission current from CNT paste with SOG. Our experiments have shown that CNT paste with SOG can use as efficient electron emitter in vacuum nanoelectronics such as radio frequency amplifier, field emission display and X-ray tube.

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Technical Digest of the 17th International Vacuum Nanoelectronics Conference (IEEE Cat. No.04TH8737)

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