Congresos y reuniones científicas
Título:
Different structures obtained in the electrodeposition of copper on graphite electrodes
Autor/es:
GRISELDA V. GONZALEZ MERCADO; MARCOS I. OLIVA; VERÓNICA BRUNETTI; GRISELDA A. EIMER; CARLOS J. GONZALEZ
Reunión:
Congreso; IBEROMAT XII; 2012
Institución organizadora:
Sociedad Iberoamericana de Materiales
Resumen:
Electrochemical
deposition of copper from copper nitrate aqueous electrolyte on
graphite substrate was investigated at current densities between 0.03
mA/cm2 - 1.36 mA/cm2 and in the voltage range of 3 V to 15V. The surface
morphology and elemental composition of the resultant deposit were
characterized by electron microprobe analysis (EMPA). These images
illustrate the influence of current density on the shape of copper
electrodeposited on the electrode surface. Nanorods, polyhedral bodies,
pentagonal pyramids, dendritics, spiked spheres or cauliflower-like
shapes are observed depending on the electrodeposition conditions.