Electron field emitters made of 3-D CuO nanowires on flexible silicon substrate fabricated by heating Cu rods with through silicon: Via process

Y. M. Juan, S. J. Chang, H. T. Hsueh, S. H. Wang, T. C. Cheng, S. W. Huang, T. J. Hsueh, Y. M. Yeh, C. L. Hsu

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

Cu rods with a diameter of 10 μm on a flexible silicon substrate were fabricated using the through silicon via (TSV) process and chemical mechanical polishing (CMP). The turn-on field and field enhancement factor (β) of the TSV Cu rods were 28.6 V μm-1 and 1721, respectively. Three-dimensional (3-D) CuO nanowires (NWs) were then grown vertically and laterally on the top and sidewall of the Cu rods via heat treatment in air for various durations. The turn-on field was reduced sharply after CuO NW growth. Longer CuO NWs and higher NW density led to a lower turn-on field. The turn-on fields of samples treated for 0.5, 1, and 5 h were 5.4, 4.9, and 3.5 V μm-1, and the β values were 2546, 2734, and 4262, respectively. The 3-D CuO NWs are suitable for applications that require a flexible substrate.

原文English
頁(從 - 到)47292-47297
頁數6
期刊RSC Advances
6
發行號53
DOIs
出版狀態Published - 2016

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 化學工程 (全部)

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