Combining surface plasmon resonance and quartz crystal microbalance for the in situ investigation of the electropolymerization and doping/dedoping of poly(pyrrole)
Article Abstract:
The electropolymerization and the doping/dedoping behavior of thin poly(pyrrole) (ppy) films in aqueous solution are studied with the help of an in situ combination of surface plasmon resonance(SPR) spectroscopy and quartz crystal microbalance (QCM). The work shows that electrochemical in situ combination of QCM and SPR is a powerful term tool for the investigation of doping/dedoping behaviour of conducting polymer films.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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Enhancement and suppression of vibrational coherance in degenerate four-wave-mixing signal generated from dye-doped polymer films
Article Abstract:
Vibrational coherence in the degenerate four-wave-mixing (DFWM) signal generated from polymer films doped with a dye, oxazine at 10 K was investigated. It was revealed that low-frequency oscillations with weak coupling to the optical transition can be enhanced in the stimulated photon echo signal compared to the transient grating signal.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Photophysical and nonlinear-optical properties of a new polymer: hydroxylated pyridyl para-phenylene
Article Abstract:
Nonlinear absorption and nonlinear refraction in a new amphiphilic conjugated polymer, hydroxylated pyridyl para-phenylene (Py-PhPPP) with nano second laser pulses is reported. The photoluminescence (PL) spectra of the polymer show concentration dependence and also reveals that it depends on the excitation wavelength.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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