Cyclic Electrodeposition of Yb-Bi Thin Films
来源期刊：JOURNAL OF RARE EARTHS2004年第2期
论文作者：刘冠昆 童叶翔 柯琴芳 李高仁
Key words：electrochemistry; Yb-Bi thin film; cyclic electrodeposition; dimethylsulfoxide (DMSO); amorphous; rare earths;
Abstract: Deposition of Yb-Bi thin films was carried out from a nonaqueous solution by using cyclic electrodepositon.During electrodeposition the substrate potential was continuously cycled between two potentials.The effects of several factors including the potential of deposition,time of deposition and sweep rate on the Yb content in the thin films and surface morphology were studied.Experimental results indicate that the amorphous Yb-Bi thin films containing Yb 21.04%～36.36%(mass fraction)can be prepared in 0.10 mol·L-1 YbCl3+0.10 mol*L-1 Bi(NO3)3+0.10 mol·L-1 LiCl+DMSO by controlling deposition conditions of the system.They are black,uniform,metallic luster and adhered firmly to the copper substrates.The films were characterized by X-ray energy dispersive analysis(EDS),scanning electron microcoscope(SEM)and X-ray diffraction(XRD).
刘冠昆1，童叶翔1，柯琴芳1，李高仁1
(1.School of Chemistry and Chemical Engineering,Zhongshan University,Guangzhou 510275,China)
Abstract:Deposition of Yb-Bi thin films was carried out from a nonaqueous solution by using cyclic electrodepositon.During electrodeposition the substrate potential was continuously cycled between two potentials.The effects of several factors including the potential of deposition,time of deposition and sweep rate on the Yb content in the thin films and surface morphology were studied.Experimental results indicate that the amorphous Yb-Bi thin films containing Yb 21.04%～36.36%(mass fraction)can be prepared in 0.10 mol·L-1 YbCl3+0.10 mol*L-1 Bi(NO3)3+0.10 mol·L-1 LiCl+DMSO by controlling deposition conditions of the system.They are black,uniform,metallic luster and adhered firmly to the copper substrates.The films were characterized by X-ray energy dispersive analysis(EDS),scanning electron microcoscope(SEM)and X-ray diffraction(XRD).
Key words:electrochemistry; Yb-Bi thin film; cyclic electrodeposition; dimethylsulfoxide (DMSO); amorphous; rare earths;
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