パルス電解法によるジアンミンジニトロ白金 (II)

錯体溶液からの白金の電析

抄録

Platinum was electrodeposited from diamminedinitroplatinum (II) complex solution by pulsedcurrent electrolysis, and the pulse method was used to investigate the possibility of improveing current efficiency and the properties of the electrodeposit.
In the electrolysis of platinum, increasing lp and decreasing T_on and T_off reduced the amount of co-deposited hydrogen, and improved current efficiency. The increases in I_p shifted the cathode potential to the negative, increased overvoltage, and resulted in minute crystals that produced a smooth surface on the electrodeposit. The surface of the electrodeposited platinum had a relatively random crystal structure with preferential orientation on the (111) plane. SEM photographs confirmed the smooth surface resulting from the increase in I_p and the decreases in T_off and T_on, indicating that the effect of pulse electrolysis using the experimental solution is promising.