期刊
NANOTECHNOLOGY
卷 16, 期 4, 页码 365-368出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/16/4/006
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A large number of alumina nanofibres with strong photoluminescence was obtained in treated porous anodic alumina (PAA) film. The treatment includes three steps: doping the Cr into the high-purity aluminium by melting, anodizing the Cr-doped Al sheet to produce PAA followed by an etching process, and calcination. This routine yields a large number of alumina nanofibres with diameter about 80-150 nm, which were characterized by a scanning electron microscope and a transparent electron microscope. The obtained alumina nanofibres reveal very strong and sharp peaks in the photoluminescence spectrum, indicating their potential applications in nano-optics.
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