Preparation of vertically-aligned nickel nanowires with anodic aluminum oxide templates and their application as field emitters

Wei Chih Tsai, Shui Jinn Wang, Jun Ku Lin, Chia Lung Chang, Rong Ming Ko

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

In this study, well-ordered and vertically-aligned nickel nanowires (NiNWs) with a controllable length were grown inside the nanopores of anodic alumina oxide templates (AAOTs) using a simple electrochemical deposition (ECD) method. The electron field emission characteristics of the prepared NiNWs within AAOTs with two pore diameters (100 and 200 nm) and length in the range of 2.7-22 μm were measured and discussed. The turn-on field/the enhancement factor of 8.5 and 7-μm-long NiNWs prepared within 100 and 200 pore diameter AAOTs, respectively, were about 3.46 V/μm/17,621 and 4.8 V/μm/5001, respectively, according to I-V measurements.

Original languageEnglish
Pages (from-to)660-663
Number of pages4
JournalElectrochemistry Communications
Volume11
Issue number3
DOIs
Publication statusPublished - 2009 Mar 1

All Science Journal Classification (ASJC) codes

  • Electrochemistry

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