POLYANILINE DOPED WITH SULPHOSALICYLIC, SALICYLIC AND CITRIC ACID IN SOLUTION AND SOLID-STATE

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GHADIMI F.; DINDAR SAFA K.; MASSOUMI B.; ENTEZAMI A.A.

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Journal: Iranian Polymer Journal Year:2002 | Volume:11 | Issue:3 Page(s): 159-166

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Information Journal Paper

Title

POLYANILINE DOPED WITH SULPHOSALICYLIC, SALICYLIC AND CITRIC ACID IN SOLUTION AND SOLID-STATE

Author(s)

GHADIMI F. | DINDAR SAFA K. | MASSOUMI B. | ENTEZAMI A.A. | Issue Writer Certificate

Keywords

POLYANILINE

CONDUCTING POLYMER

THERMALLY DOPING

SOLID-STATE

CHARACTERIZATION

Abstract

Considerable progress has been made in characterizing and understanding the properties of POLYANILINE doped with some protonic acids. In this work POLYANILINE was synthesized by chemical method in the presence of HCI, then undoped POLYANILINE was obtained with NH3 solution. The undoped POLYANILINE was doped with the protonic acid such as sulphosalicylic; acid, salicylic acid and citric acid. The protonic acids can be used to dope poly-aniline (PANI) by mixing a protonic acid in common solvents such as N-methyl pyrrolidone and dimethylformamide. The structure and properties of protonic acid doped-PANI are investigated by UV-vis, IR and conductivity measurement. It is found that the PANI, therein, is doped by protonation of imine nitrogen. In the case of protonation-doped PANI, polarons/bipolarons are generated as reflected in the presence of UV-vis absorption peaks at 420 and 850 nm. The minimum amount of appropriate acid to obtain optimum level of doping was estimated by UV spectroscopy. Also POLYANILINE base Was doped with these acids by blending in the SOLID-STATE. The electrical conductivity in the solid state increased several times after heating the mixture and increasing the heating time. The dependence of the electrical conductivity on the composition of blends differs for the partly protonated POLYANILINE and mixtures of protonated POLYANILINE with an excess acid.

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APA: Copy

GHADIMI, F., DINDAR SAFA, K., MASSOUMI, B., & ENTEZAMI, A.A.. (2002). POLYANILINE DOPED WITH SULPHOSALICYLIC, SALICYLIC AND CITRIC ACID IN SOLUTION AND SOLID-STATE. IRANIAN POLYMER JOURNAL (ENGLISH), 11(3), 159-166. SID. https://sid.ir/paper/530543/en

Vancouver: Copy

GHADIMI F., DINDAR SAFA K., MASSOUMI B., ENTEZAMI A.A.. POLYANILINE DOPED WITH SULPHOSALICYLIC, SALICYLIC AND CITRIC ACID IN SOLUTION AND SOLID-STATE. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2002;11(3):159-166. Available from: https://sid.ir/paper/530543/en

IEEE: Copy

F. GHADIMI, K. DINDAR SAFA, B. MASSOUMI, and A.A. ENTEZAMI, “POLYANILINE DOPED WITH SULPHOSALICYLIC, SALICYLIC AND CITRIC ACID IN SOLUTION AND SOLID-STATE,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 11, no. 3, pp. 159–166, 2002, [Online]. Available: https://sid.ir/paper/530543/en

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