Growth of pagoda-topped tetragonal copper nanopillar arrays

I. Chun Chang, Ting Kai Huang, Huang Kai Lin, Yu Feng Tzeng, Chih Wei Peng, Fu-Ming Pan, Chi Young Lee, Hsin-Tien Chiu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Growth of arrays of pagoda-topped tetragonal Cu nanopillar (length 1- 6 μm; width 150 ± 25 nm) with {100} side faces on Au/glass is achieved by a simple electrochemical reduction of CuCl2(aq) by Al(s) in aqueous dodecyltrimethylammonium chloride. Field-emission measurement shows that the Cu nanopillars can emit electrons (10 μA cm-2) at a turn-on field of 12.4 V μm-1 with a calculated field enhancement factor of 713.

Original languageEnglish
Pages (from-to)1375-1378
Number of pages4
JournalACS Applied Materials and Interfaces
Volume1
Issue number7
DOIs
StatePublished - 29 Jul 2009

Keywords

  • copper
  • electrochemical reduction
  • field emission
  • nanopillar
  • pagoda

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