Formation Mechanism of Alumina Nanostrip

Abstract:

Alumina nanostrips were prepared on aluminum plate surface by anodizing in oxalic acid and etching in phosphonic acid sequentially. The alumina nanostrips were characterzed by scanning and transmission electron microscopes for the morphologies structuzes,and crystal structures, by an energy dispersive x-ray spectroscope for the chemical composition, and by a photoluminescence measurement system for the photoluminescence. The results show that the alumina nanostrips are amorphous, have a chemical composition of Al2O3-x , and can emit a blue light about 440nm in photoluminescence.

• Periodical: Advanced Materials Research (Volumes 399-401)
• Pages: 2099-2102
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.399-401.2099
• Online since: November 2011
• Authors: Shen Jenn Hwang, Chi Tsung Tsai, Wei Long Liu
• Keywords: Alumina Nanostrip, Anodization, Etching, Formation Mechanism, Photoluminescence (PL)

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