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Optica Publishing Group
  • International Quantum Electronics Conference
  • 1996 OSA Technical Digest Series (Optica Publishing Group, 1996),
  • paper FD7

Effect of doping on linear and nonlinear optical properties of polyaniline investigated by femtosecond degenerate four wavemixing and Z-scan at 800 nm

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Abstract

It is acknowledged that conjugated polymers with highly extended π-electron system possess large femtosecond scale third-order nonlinearity. Among such polymers polyaniline (PANI) is unique because it exhibits drastic changes of properties upon protonic doping: protonation and deprotonation reactions leading to the formation of highly conducting, stable, delocalized polysemiquinone cation radical polymer salt, a polyelectrolyte macromolecule in which the molecular conformation (coil-like structure) depends on the doping [1].

© 1996 Optical Society of America

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