TY - JOUR
T1 - Deposition of Nickel Hydroxide Structures Using the Scanning Electrochemical Microscope
AU - Shohat, Ilan
AU - Mandler, Daniel
PY - 1994
Y1 - 1994
N2 - The scanning electrochemical microscope has been applied to drive the deposition of Ni(OH)2 structures. Nickel hydroxide has been deposited from aqueous solutions onto platinum surfaces as a result of changing the pH locally on the electrode surface. The increase in pH is driven by an oxidation-reduction process, i.e., N, N-dimethyl-4,4’-bipyridinium, MV2+, which is reduced at an ultramicroelectrode, diffuses to the surface where it is regenerated upon the reduction of protons, causing a local increase of pH and the deposition of Ni(OH)2. The different parameters that control the efficiency of the deposition, such as the pH and the concentration of the buffer, have been examined.
AB - The scanning electrochemical microscope has been applied to drive the deposition of Ni(OH)2 structures. Nickel hydroxide has been deposited from aqueous solutions onto platinum surfaces as a result of changing the pH locally on the electrode surface. The increase in pH is driven by an oxidation-reduction process, i.e., N, N-dimethyl-4,4’-bipyridinium, MV2+, which is reduced at an ultramicroelectrode, diffuses to the surface where it is regenerated upon the reduction of protons, causing a local increase of pH and the deposition of Ni(OH)2. The different parameters that control the efficiency of the deposition, such as the pH and the concentration of the buffer, have been examined.
KW - catalysis
KW - electrochemistry
KW - electrodeposition
KW - microscopes
KW - oxidation
KW - reaction-diffusion systems
KW - reduction (chemical)
KW - scanning probe microscopy
UR - http://www.scopus.com/inward/record.url?scp=0028413849&partnerID=8YFLogxK
U2 - 10.1149/1.2054870
DO - 10.1149/1.2054870
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AN - SCOPUS:0028413849
SN - 0013-4651
VL - 141
SP - 995
EP - 999
JO - Journal of the Electrochemical Society
JF - Journal of the Electrochemical Society
IS - 4
ER -