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采用丝网印刷技术制备四针状氧化锌(tetrapod-liked zinc oxide nanoneedles,T-ZnO)场发射阴极,通过向T-ZnO阴极表面电泳沉积碳纳米管(carbon nanotube,CNT)薄膜制备了T-ZnO/CNT复合阴极.扫描电子显微镜观察表明:与T-ZnO阴极相比,T-ZnO/CNT复合阴极与衬底电极之间具有较大的有效接触面积.采用二极场发射器件结构研究T-ZnO和T-ZnO/CNT的场发射特性,实验表明:相对于T-ZnO阴极,T-ZnO/CNT复合阴极发射电流密度大、开启场强与阈值场强低、发射点密度高,且具有良好的工作稳定性.
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光电子技术
ISSN: 1005-488X
CN: 32-1347/TN
Year: 2013
Issue: 4
Volume: 33
Page: 255-259
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 2
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