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Exchange of Doping Ions of Conducting Polyaniline


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Exchange of Doping Ions of Conducting Polyaniline
HAO Qing-liYAN Zhen-zhenZHOU QianWANG XinLU Lu-deYANG Xu-jie
Key Laboratory of Soft Chemistry and Functional Materials,Ministry of Education,NUST,Nanjing 210094,China
doping ions electrochemistry ion exchange polyaniline cyclic voltammetry
Polyaniline(PANI) films doped with camphorsulfonic acid(CSA) and hydrocholoric acid(HCl) on gold electrodes are prepared by using an electrochemical method in order to study the doping ion exchanges of PANI.The exchange of the doping ions in each PANI film doped individually with two kinds of ions is investigated in CSA and HCl aqueous solutions,respectively,by means of cyclic voltammetry(CV),electrochemical impedance spectroscopy(EIS),scanning electron microscopy(SEM),and raman spectrometry(Raman).The result shows that the CSA-with a large ionic radius in a PANI film can be exchanged easily by small ion Cl-in the electrolyte.On the contrary,it is difficult to exchange Cl-by CSA-ion.Moreover,the morphology of PANI is not changed before and after doping ionic exchange,and it is so called a morphology ’memory’ effect.


[1] Kanungo M, Kum ar A, Contractgr A Q. Studies on e lectropo lym erization of an iline in the presence of so ld-i um dodecyl sulfa te and its application in sens ing area [ J]. J E lectroana l Chem, 2002, 528( 1/2): 46- 56.
[2] W anekaya A K, B angarM A, YunM, et a.l Fielde ffect transistors based on sing le nanow ires of conducting po lyme rs[ J]. J Phys Chem C, 2007, 111( 13): 5218- 5221.
[3] Inze lt G, P ineriM, Schu ltze JW, et a .l E lectron and proton conduc ting po lym ers: Recent deve lopm ents and prospec ts [ J] . E lectroch im Ac ta, 2000, 455 ( 15 / 16): 2403- 2421.
[4] 刘家和. 纳米聚苯胺的合成与性能研究[ D]. 重 庆: 重庆大学化学化工学院, 2004.
[5] Ma Y, Zhang J, ZhangG, e t a .l Po lyaniline nanow ires on S i surfaces fabr icated w ith DNA templates[ J]. J Am Chem So c, 2004, 126 ( 22): 7097- 7101.
[6] H uang J, Kaner R B. A genera l chem ica l route to po lyaniline nanofibers [ J]. J Am Chem So c, 2004, 126 ( 33): 851- 855.
[7] Abran tes LM, Correia J P, Sav icM, et a.l Structu ra l m odifica tions dur ing conduc ting po lym er form a tion an ellipsom etr ic study [ J]. E lectroch im Acta, 2001, 46 ( 20 /21): 3181- 3187.
[8] Sa lam ifa rE, M ehrg ard iM A, Mousav iM F. Iontransport and deg radation stud ies o f a po lyan iline-mod ified electrode us ing SECM [ J]. E lectroch im A cta 2009, 54( 20) : 4638- 4646.
[9] Thom as C A, Zong K, Scho ttland P, e l a.l Poly ( 3, 4-ethy lenedioxy th iophene ) as high ly stab le aqueouscompatib le conducting po lym ers w ith b iom ed ica l im pl-i ca tions [ J]. AdvM ater, 2000, 12( 3): 222- 225.


Last Update: 2010-06-30