Growth behaviour of polyaniline films deposited by pulse potentiostatic method

V. Rajendran; A. Gopalan; T. Vasudevan; Wei Chih Chen; Ten Chin Wen

doi:10.1016/S0254-0584(00)00259-5

Growth behaviour of polyaniline films deposited by pulse potentiostatic method

V. Rajendran, A. Gopalan, T. Vasudevan, Wei Chih Chen, Ten Chin Wen

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Electrochemical polymerization of aniline (ANI) was performed in aqueous 0.5 M H₂SO₄ using pulse potentiostatic method (PPSM). The polymeric films were deposited under different tuneable pulse parameters in PPSM like pulse number (P_n), pulse width (P_w) and variations of aniline concentrations. Cyclic voltammetry was used for evaluating the characteristics of the deposited polymeric films. A suitable equation relating the growth of the deposited films and the pulse parameters in PPSM was deduced as: growth = k[ANI]P_nP_w where k is growth rate constant and k value was evaluated through growth function. Various surface parameters were evaluated. The surface excess and thickness of the film showed increasing trend with increasing [ANI] and P_n. The polymer was also characterized in various acidity conditions. The elcectroactivity of the film was found to be retained in highly acidic solution and showed decreasing activity with increasing pH.

Original language	English
Pages (from-to)	320-328
Number of pages	9
Journal	Materials Chemistry and Physics
Volume	65
Issue number	3
DOIs	https://doi.org/10.1016/S0254-0584(00)00259-5
Publication status	Published - 2000 Aug 15

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics

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@article{ea4752cfa03749a78ac8381932d0bb71,

title = "Growth behaviour of polyaniline films deposited by pulse potentiostatic method",

abstract = "Electrochemical polymerization of aniline (ANI) was performed in aqueous 0.5 M H2SO4 using pulse potentiostatic method (PPSM). The polymeric films were deposited under different tuneable pulse parameters in PPSM like pulse number (Pn), pulse width (Pw) and variations of aniline concentrations. Cyclic voltammetry was used for evaluating the characteristics of the deposited polymeric films. A suitable equation relating the growth of the deposited films and the pulse parameters in PPSM was deduced as: growth = k[ANI]PnPw where k is growth rate constant and k value was evaluated through growth function. Various surface parameters were evaluated. The surface excess and thickness of the film showed increasing trend with increasing [ANI] and Pn. The polymer was also characterized in various acidity conditions. The elcectroactivity of the film was found to be retained in highly acidic solution and showed decreasing activity with increasing pH.",

author = "V. Rajendran and A. Gopalan and T. Vasudevan and Chen, {Wei Chih} and Wen, {Ten Chin}",

note = "Funding Information: The financial support of National Science Council of Republic of China (NSC 89-2811-E-006-0016) to one of the author (A. Gopalan) is gratefully acknowledged.",

year = "2000",

month = aug,

day = "15",

doi = "10.1016/S0254-0584(00)00259-5",

language = "English",

volume = "65",

pages = "320--328",

journal = "Materials Chemistry and Physics",

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TY - JOUR

T1 - Growth behaviour of polyaniline films deposited by pulse potentiostatic method

AU - Rajendran, V.

AU - Gopalan, A.

AU - Vasudevan, T.

AU - Chen, Wei Chih

AU - Wen, Ten Chin

N1 - Funding Information: The financial support of National Science Council of Republic of China (NSC 89-2811-E-006-0016) to one of the author (A. Gopalan) is gratefully acknowledged.

PY - 2000/8/15

Y1 - 2000/8/15

N2 - Electrochemical polymerization of aniline (ANI) was performed in aqueous 0.5 M H2SO4 using pulse potentiostatic method (PPSM). The polymeric films were deposited under different tuneable pulse parameters in PPSM like pulse number (Pn), pulse width (Pw) and variations of aniline concentrations. Cyclic voltammetry was used for evaluating the characteristics of the deposited polymeric films. A suitable equation relating the growth of the deposited films and the pulse parameters in PPSM was deduced as: growth = k[ANI]PnPw where k is growth rate constant and k value was evaluated through growth function. Various surface parameters were evaluated. The surface excess and thickness of the film showed increasing trend with increasing [ANI] and Pn. The polymer was also characterized in various acidity conditions. The elcectroactivity of the film was found to be retained in highly acidic solution and showed decreasing activity with increasing pH.

AB - Electrochemical polymerization of aniline (ANI) was performed in aqueous 0.5 M H2SO4 using pulse potentiostatic method (PPSM). The polymeric films were deposited under different tuneable pulse parameters in PPSM like pulse number (Pn), pulse width (Pw) and variations of aniline concentrations. Cyclic voltammetry was used for evaluating the characteristics of the deposited polymeric films. A suitable equation relating the growth of the deposited films and the pulse parameters in PPSM was deduced as: growth = k[ANI]PnPw where k is growth rate constant and k value was evaluated through growth function. Various surface parameters were evaluated. The surface excess and thickness of the film showed increasing trend with increasing [ANI] and Pn. The polymer was also characterized in various acidity conditions. The elcectroactivity of the film was found to be retained in highly acidic solution and showed decreasing activity with increasing pH.

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U2 - 10.1016/S0254-0584(00)00259-5

DO - 10.1016/S0254-0584(00)00259-5

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VL - 65

SP - 320

EP - 328

JO - Materials Chemistry and Physics

JF - Materials Chemistry and Physics

SN - 0254-0584

IS - 3

ER -

Growth behaviour of polyaniline films deposited by pulse potentiostatic method

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