ELECTROCHROMIC PROPERTIES OF DODECYCLBENZENESULFONATE DOPED POLY(PYRROLE)

被引:27
作者
PERES, RCD
JULIANO, VF
DEPAOLI, MA
PANERO, S
SCROSATI, B
机构
[1] UNIV ESTADUAL CAMPINAS,INST QUIM,C POSTAL 6154,BR-13081 CAMPINAS,SP,BRAZIL
[2] UNIV ROME,DIPARTIMENTO CHIM,I-00185 ROME,ITALY
基金
巴西圣保罗研究基金会;
关键词
POLY(PYRROLE); SURFACTANTS AND ELECTROCHROMIC MATERIAL;
D O I
10.1016/0013-4686(93)87003-V
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
The galvanostatic synthesis of dodecylbenzenesulfonate doped poly(pyrrole), PPYDBS, on ITO electrodes produces homogeneous films which show a color change from yellow to dark blue when cycled in aqueous KCl between -0.75 and 1.00 V (vs. sce). During the continuous switching by cyclic voltammetry the color change is accompanied by a hysteresis effect which is assigned to relaxation processes of the pyrrole rings. The synthesis conditions, electrolyte and film thickness play an important role in this behavior. The electrochromic stability tests show that these films are stable to 3.5 x 10(3) potential redox steps from -0.6 to 0.4 V.
引用
收藏
页码:869 / 876
页数:8
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