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Pr 3+ and Tm 3+ codoped La 2 O 3 nanorod arrays were synthesized firstly by electrochemical deposition and followed by calcination of the precursor at 700°C. The nanorods typically have an average diameter of 30–50nm and hexagonal structure. Bright photoluminescence at around 455nm, 495nm and 658nm is obtained in Tm 3+ and Pr 3+ codoped hexagonal La...
Hexagonal and vertically aligned La(OH) 3 nanorod arrays have been fabricated in a large scale via a simple electrochemical method without any hard templates and surfactants. By the aid of potential–time curve, a possible formation process of the La(OH) 3 nanorod arrays is proposed, and the gas bubbles functioning as a dynamic template might be responsible for the growth of ordered...
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