FINE PALLADIUM POWDERS OF UNIFORM PARTICLE-SIZE AND SHAPE PRODUCED IN ETHYLENE-GLYCOL

被引:40
作者
DUCAMPSANGUESA, C [1 ]
HERRERAURBINA, R [1 ]
FIGLARZ, M [1 ]
机构
[1] UNIV PICARDIE JULES VERNE,REACT & CHIM SOLIDES LAB,CNRS,URA 1211,33 RUE ST LEU,F-80039 AMIENS,FRANCE
关键词
D O I
10.1016/0167-2738(93)90081-D
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Finely divided crystalline palladium has been synthesized from several inorganic precursors by chemical reduction in ethylene glycol. Palladium black is produced when ethylene glycol serves as solvent and reducing agent. Monodisperse spherical particles are produced by the hydrazine reduction of [Pd(NH3)4]2+ in ethylene glycol in the temperature range from 20-degrees-C to -9-degrees-C. Control of particle size, shape and degree of dispersion is achieved by making changes in the reaction parameters, which in turn affect the reduction, nucleation and growth steps.
引用
收藏
页码:25 / 30
页数:6
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