Dielectric Properties of Polyaniline Emeraldine Base
(*) Corresponding author
DOI's assignment:
the author of the article can submit here a request for assignment of a DOI number to this resource!
Cost of the service: euros 10,00 (for a DOI)
Abstract
Dielectric properties such as permittivity, loss factor and conductivity of pure polyaniline emeraldine base PANI-EB pellets are measured as a function of electric field and frequency. Dielectric properties are measured in the electric field range from 0.2 kV/mm to 2.45 kV/mm and in the frequency range from 0.1 Hz to 1 kHz. Measurement results clearly show that relative permittivity, loss factor and conductivity of PANI EB increase as a function of increasing electric field. Relative permittivity of PANI EB is also quite high, approx. 20 even in the lowest electric field at 50 Hz. On the other hand relative permittivity also increases as a function of decreasing frequency range as well as the loss factor. Only conductivity increases as a function of increasing frequency. The formalism of electric modulus is also studied in the paper.
Copyright © 2015 Praise Worthy Prize - All rights reserved.
Keywords
Full Text:
PDFReferences
A. J. Heeger, Semiconducting and metallic polymers: the fourth generation of polymeric materials, Current Applied Physics, Vol. 1, No. 4-5, pp. 247-267, 2001.
http://dx.doi.org/10.1016/s1567-1739(01)00053-0
H. S. Nalwa (edited by), Handbook of Organic Conductive Molecules and Polymers: Vol. 2. Conductive Polymers: Synthesis and Electrical Properties (John Wiley & Sons Ltd, 1997).
B. G. Soares, M. E. Leyva, G. M.O. Barra, D. Khastgir, Dielectric behaviour of polyaniline synthesized by different techniques, European Polymer Journal, Vol. 42, No. 3, pp. 676-686, 2006.
http://dx.doi.org/10.1016/j.eurpolymj.2005.08.013
C. Y. Lee, H. M. Kim, J. W. Park, Y. S. Gal, J. I. Jin, J. Joo, AC electrical properties of conjugated polymers and theoretical high-frequency behavior of multilayer films, Synthetic Metals, Vol. 117, No. 1-3, pp. 109-113, 2001.
http://dx.doi.org/10.1016/s0379-6779(00)00548-8
N.J. Pinto, A.A. Acosta, G.P. Sinha, F.M. Aliev, Dielectric permittivity study on weakly doped conducting polymers based on polyaniline and its derivatives, Synthetic Metals, Vol. 113, No. 1-2, pp. 77-81, 2000.
http://dx.doi.org/10.1016/s0379-6779(99)00431-2
H.H.S. Javadi, K.R. Cromack, A.G. MacDiarmid, A.J. Epstein, Microwave transport in the emeraldine form of polyaniline, Physical Review B, Vol. 39, No.6, pp. 3579-3584, 1989.
http://dx.doi.org/10.1103/physrevb.39.3579
H. Pingsheng, Q. Xiaohua, L. Chune, Electric and dielectric properties of polyaniline, Synthetic Metals, Vol. 57, No. 2-3, pp. 5008-5013, 1993.
http://dx.doi.org/10.1016/0379-6779(93)90854-p
N.J. Pinto, P.D. Shah, P.K. Kahol, B.J. McCormick, Dielectric constant and ac conductivity in polyaniline derivatives, Solid State Communications, Vol. 97, No. 12, pp. 1029-1031, 1996.
http://dx.doi.org/10.1016/0038-1098(95)00853-5
Y. Kieffel, J.P. Travers, J. Planès, Nonlinear electrical properties of polyaniline: role of conjugation length, Synthetic Metals, Vol. 135-136, pp. 325-326, 2003.
http://dx.doi.org/10.1016/s0379-6779(02)00618-5
I.L. Hosier, A.S. Vaughan, S.J. Sutton, D. Patel, S.G. Swingler, Too insulating or not too insulating? [polyaniline blend]. Proc. 8th Int. Conference on Dielectric Materials, Measurements and Applications, 2000 (IEE Conf. Publ. No. 473), pp. 9-14.
http://dx.doi.org/10.1049/cp:20000468
I.L. Hosier, A.S. Vaughan, D. Patel, S.J. Sutton, S.G. Swingler, Morphology and electrical conductivity in polyaniline/polyolefin blends, IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 8, No. 4, pp. 698-704, 2001.
http://dx.doi.org/10.1109/94.946725
A.E. Job, N. Alves, M. Zanin, M.M. Ueki, L.H.C. Mattoso, M.Y. Teruya, J.A. Giacometti, Increasing the dielectric breakdown strength of poly(ethylene terephthalate) films using a coated polyaniline layer, Journal of Physics D: Applied Physics, Vol. 36, pp. 1414-1417, 2003.
http://dx.doi.org/10.1088/0022-3727/36/12/309
Y. Kieffel, J.P. Travers, D. Cottevieille, Undoped polyaniline in the high voltage domain: nonlinear behavior and aging effects. Conf. on Electrical Insulation and Dielectric Phenomena. Vol. 1, pp. 52-56, 2003.
http://dx.doi.org/10.1109/ceidp.2000.885225
R.D. Calleja, E.S. Matveeva and V.P. Parkhutik, Electric relaxation in chemically synthesized polyaniline: study using electric modulus formalism, Journal of Non-Crystalline Solids, Vol. 180, No. 2-3, pp. 260-265, 1995.
http://dx.doi.org/10.1016/0022-3093(94)00470-6
A. Molak, M. Paluch, S. Pawlus, J. Klimontko, Z. Ujma, I. Gruszka, Electric modulus approach to the analysis of electric relaxation in highly conducting (Na0.75Bi0.25) (Mn0.25Nb0.75)O3 ceramics, Journal of Physics. D: Appl. Phys, Vol. 38 No. 9, pp. 1450-1460, 2005.
http://dx.doi.org/10.1088/0022-3727/38/9/019
E.S. Matveeva, R.D. Calleja, V.P. Parkhutik, Impedance study of chemically synthesized emeraldine form of polyaniline, Electrochimica Acta, Vol. 41, No. 7-8, pp. 1351-1357, 1996.
http://dx.doi.org/10.1016/0013-4686(95)00456-4
IDA 200 Insulation Diagnostics system, User’s manual, Programma Poducts, GE Energy Services.
T. Blythe, D. Bloor, Electrical Properties of Polymers (2nd edition, Cambridge University Press, 2005)
IEC publication 250: Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths. 1969.
F. Zuo, M. Angelopoulos, A.G. MacDiarmid, A.J. Epstein, ac conductivity of emeraldine polymer, Physical Review B, Vol. 39, No. 6, pp. 3570-3578, 1989.
http://dx.doi.org/10.1103/physrevb.39.3570
Refbacks
- There are currently no refbacks.
Please send any question about this web site to info@praiseworthyprize.com
Copyright © 2005-2024 Praise Worthy Prize