TY - JOUR
T1 - Electropolymerization of pyrrole on a tantalum electrode
AU - Yamamoto, K.
AU - Park, Y. S.
AU - Takeoka, S.
AU - Tsuchida, E.
N1 - Funding Information:
This work was supportedi n part by a Grant-in-Aid for Scientific Researchf rom the Ministry of Education,S ciencea nd Culture, Japan.
PY - 1991/11/25
Y1 - 1991/11/25
N2 - Electropolymerization of pyrrole was carried out on tantalum as a base metal electrode. The Ta electrode retards polymerization at lower pyrrole concentrations because of the formation of insulating Ta2O5. However, at high concentrations of pyrrole, the polymerization proceeds efficiently to yield a polypyrrole (PPy) film, similar to that on a Pt electrode. The PPy film on a Ta electrode shows the same electroactivity and electric conductivity as that on a Pt electrode. Electropolymerization on Ta is accompanied by a decrease in electrode area due to the formation of the Ta2O5, the behavior of which is the only difference from that on Pt.
AB - Electropolymerization of pyrrole was carried out on tantalum as a base metal electrode. The Ta electrode retards polymerization at lower pyrrole concentrations because of the formation of insulating Ta2O5. However, at high concentrations of pyrrole, the polymerization proceeds efficiently to yield a polypyrrole (PPy) film, similar to that on a Pt electrode. The PPy film on a Ta electrode shows the same electroactivity and electric conductivity as that on a Pt electrode. Electropolymerization on Ta is accompanied by a decrease in electrode area due to the formation of the Ta2O5, the behavior of which is the only difference from that on Pt.
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U2 - 10.1016/0022-0728(91)85302-6
DO - 10.1016/0022-0728(91)85302-6
M3 - Article
AN - SCOPUS:0026258189
VL - 318
SP - 171
EP - 181
JO - Journal of Electroanalytical Chemistry
JF - Journal of Electroanalytical Chemistry
SN - 0022-0728
IS - 1-2
ER -