Charge transport studies of doped polyanilines with various dopants and their mixtures

Tipo de material: Texto

TextoSeries ; Synthetic Metals, 84, p.739, 1997Trabajos contenidos:

Joo, J
Chung, T.C
Song, H.G
Baeck, J.S
Lee, W.P
Epstein, A.J
Macdiarmid, A.G
Macdiarmid, A.G
Oh, E.J

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Resumen: We report the results of temperature (7)dependence of dc conductivity (ode)for polyaniline (PAN)pellet samples with various dopants (BSA, NSA, TSA, and CSA)in organic solvents (m-cresol, CHC13, BeOH)and the mixtures of PAN-DBSA (CHCI;)and PANBSA (m-wsol). Cr&) of PAN pellets varies with dopants in the same solvent. However using different solvent, cidc(T)with the same dopant dramatically changes, which indicates that transport properties, can be controlled by both dopants and solvents. The mixture of PAN-DBSA (CHCI,)and PAN-BSA (m-cresol)induces the increase of o and the variation from the insulating regime to the critical one.

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We report the results of temperature (7)dependence of dc conductivity (ode)for polyaniline (PAN)pellet samples with various dopants (BSA, NSA, TSA, and CSA)in organic solvents (m-cresol, CHC13, BeOH)and the mixtures of PAN-DBSA (CHCI;)and PANBSA (m-wsol). Cr&) of PAN pellets varies with dopants in the same solvent. However using different solvent, cidc(T)with the same dopant dramatically changes, which indicates that transport properties, can be controlled by both dopants and solvents. The mixture of PAN-DBSA (CHCI,)and PAN-BSA (m-cresol)induces the increase of o and the variation from the insulating regime to the critical one.

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