研究了YCl3-LiClO4-DMSO(二甲基亚砜)体系电导率与温度的关系,及钇在Pt和Cu电极上的电化学行为.结果表明,Y3+在Pt和Cu电极上可一步不可逆还原为Y,在铜电极上于-2.500 V(vs SCE)下恒电位电解,可获得粘附性好、Y含量达97.9%(质量分数)的均匀沉积膜.利用循环伏安法、计时电流法、计时电位法测定了Y3+离子在298 K下,YCl3-LiClO4-DMSO溶液中的扩散系数为3.22×10-6 cm2·s-1,电荷传递系数为0.22.
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