Browsing by Author "Tzeng, Yu-Feng"

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Growth of Pagoda-Topped Tetragonal Copper Nanopillar Arrays
(2009-07-01)
Chang, I-Chun
;
Huang, Ting-Kai
;
Lin, Huang-Kai
;
Tzeng, Yu-Feng
;
Peng, Chih-Wei
Growth of arrays of pagoda-topped tetragonal Cu nanopillar (length 1 - 6 mu m; width 150 +/- 25 nm) with {100) side races on Au/glass is achieved by,a simple electrochemical reduction of CuCl(2)(aq) by Al(s) in aqueous dodecyltrimethylammonium chloride. Field-emission measurement shows that the Cu nanopillars can emit electrons (10 mu A cm(-2)) at a turn-on field or 12.4 V mu m(-1) with a calculated held enhancement factor of 713.