Electrodeposition of silver from nitrate solution: Part II. Mechanism of the effect of phosphate ions

Authors
Popov, KI Pavlovic, MG Grgur, BN Dimitrov, AT Jordanov, SH
Citation
Ki. Popov et al., Electrodeposition of silver from nitrate solution: Part II. Mechanism of the effect of phosphate ions, J APPL ELEC, 28(8), 1998, pp. 797-801
Citations number
17
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
JOURNAL OF APPLIED ELECTROCHEMISTRY
ISSN journal
0021891X → ACNP
Volume
28
Issue
8
Year of publication
1998
Pages
797 - 801
Database
ISI
SICI code
0021-891X(199808)28:8<797:EOSFNS>2.0.ZU;2-L
Abstract
The mechanism of compact Ag-film formation by electrolysis from nitrate sol ution with addition of small amounts of phosphate ions is elucidated. It is shown that the phosphate ions exert their effect by lowering the exchange current density. Consequently, the radii of nucleation exclusion zones also diminishes, thus producing conditions stimulating electrodeposition of con tinuous thin Ag-film.