A novel method for metal oxide nanowire synthesis

Simas Rackauskas, Albert G. Nasibulin, Hua Jiang, Ying Tian, Victor I. Kleshch, Jani Sainio, Elena D. Obraztsova, Sofia N. Bokova, Alexander N. Obraztsov, Esko I. Kauppinen

Research output: Contribution to journalArticlepeer-review

99 Citations (Scopus)

Abstract

Nanowires (NWs) of metal oxides (Fe2O3, CuO, V 2O5 and ZnO) were grown by an efficient non-catalytic economically favorable method based on resistive heating of pure metal wires or foils at ambient conditions. The growth rate of iron oxide NWs exceeds 100nms-1. Produced NWs were typically 1-5νm long with diameters from 10 to 50nm. The produced metal oxide NWs were characterized by means of SEM, TEM, EDX, XPS and Raman techniques. The field emission measurements from the as-produced CuO NWs were found to have a threshold field as low as 4Vνm-1 at 0.01mAcm-2. The formation mechanism of the NWs is discussed.

Original languageEnglish
Article number165603
JournalNanotechnology
Volume20
Issue number16
DOIs
Publication statusPublished - 2009
Externally publishedYes

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