ANION MOVEMENT AND CARRIER TYPE IN POLYPYRROLE DODECYL-SULFATE

被引:21
作者
CHESHER, DA [1 ]
CHRISTENSEN, PA [1 ]
HAMNETT, A [1 ]
机构
[1] UNIV NEWCASTLE UPON TYNE,DEPT CHEM,BEDSON BLDG,NEWCASTLE TYNE NE1 7RU,TYNE & WEAR,ENGLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1993年 / 89卷 / 02期
关键词
D O I
10.1039/ft9938900303
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
In situ FTIR results are presented for the electrochemical cycling of polypyrrole films containing entrapped sodium dodecyl sulfate, in aqueous sodium perchlorate and aqueous sodium carbonate solutions. In perchlorate solution, the film is oxidised in two stages, involving the formation of polarons and bipolarons; no evidence for the incorporation of the perchlorate anion within the film was found, though there was evidence for strong interactions between the charged chains and the DDS- anion. The results in carbonate solution are markedly different, with the film being oxidised in at least three stages. The first stage, at potentials up to -0.2 V, involves the generation of bipolarons, the initial ejection of protons, and the slow incorporation of carbonate into the film. The second and third stages, covering the potential ranges - 0.2 to -0.1 V, and 0.1 to 0.3 V, involve the extensive uptake and coordination of carbonate into the film, with the nature of the coordination changing between the second and third stages. The films were found to be anisotropic.
引用
收藏
页码:303 / 309
页数:7
相关论文
共 11 条
  • [1] INSITU SPECTROSCOPIC INVESTIGATIONS OF THE GROWTH, ELECTROCHEMICAL CYCLING AND OVEROXIDATION OF POLYPYRROLE IN AQUEOUS-SOLUTION
    CHRISTENSEN, PA
    HAMNETT, A
    [J]. ELECTROCHIMICA ACTA, 1991, 36 (08) : 1263 - 1286
  • [2] CHARGE CONDUCTION IN POLYBITHIOPHENE - AN INSITU FOURIER-TRANSFORM INFRARED STUDY
    CHRISTENSEN, PA
    HAMNETT, A
    HILLMAN, AR
    SWANN, MJ
    HIGGINS, SJ
    [J]. JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1992, 88 (04): : 595 - 604
  • [3] CO2 REDUCTION AT PLATINUM, GOLD AND GLASSY-CARBON ELECTRODES IN ACETONITRILE - AN INSITU FTIR STUDY
    CHRISTENSEN, PA
    HAMNETT, A
    MUIR, AVG
    FREEMAN, NA
    [J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1990, 288 (1-2): : 197 - 215
  • [4] AN INSITU INFRARED STUDY OF POLYTHIOPHENE GROWTH
    CHRISTENSEN, PA
    HAMNETT, A
    HILLMAN, AR
    [J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1988, 242 (1-2): : 47 - 62
  • [5] STUDY OF THE ELECTROCHROMISM OF POLYPYRROLE DODECYL-SULFATE IN AQUEOUS-SOLUTIONS
    DEPAOLI, MA
    PANERO, S
    PROSPERI, P
    SCROSATI, B
    [J]. ELECTROCHIMICA ACTA, 1990, 35 (07) : 1145 - 1148
  • [7] PERES RCD, 1989, SYNTHETIC MET, V28, pC59, DOI 10.1016/0379-6779(89)90499-2
  • [8] ELECTROCHEMICAL STUDY OF POLYPYRROLE DODECYL-SULFATE
    PERNAUT, JM
    PERES, RCD
    JULIANO, VF
    DEPAOLI, MA
    [J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1989, 274 (1-2): : 225 - 233
  • [9] Socrates G., 1980, INFRARED CHARACTERIS
  • [10] PROTON TRANSPORT ACCOMPANIES REDOX SWITCHING OF POLYPYRROLE - A SPECTROELECTROCHEMICAL STUDY
    TSAI, EW
    JANG, GW
    RAJESHWAR, K
    [J]. JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1987, (23) : 1776 - 1778