TY - JOUR
T1 - Dynamic studies of conjugated polymers by phase-modulation IR-spectroscopy
AU - Furukawa, Yukio
PY - 1999/2
Y1 - 1999/2
N2 - The application of phase-modulation infrared spectroscopy to the photoexcitation dynamics of conjugated polymers is described. The modulation-frequency dependencies of the intensity and phase delay of photoinduced absorption have been observed and simulated numerically on the basis of a model based on second-order kinetics involving a neutralization process between the positive and negative charge carriers (polarons) that are formed from a photogenerated interchain charge-transfer exciton (polaron pair). The rate constant of the bimolecular recombination process has been obtained. This numerical simulation is useful in analyzing the observed responses of a nonlinear system in the phase-modulation measurements.
AB - The application of phase-modulation infrared spectroscopy to the photoexcitation dynamics of conjugated polymers is described. The modulation-frequency dependencies of the intensity and phase delay of photoinduced absorption have been observed and simulated numerically on the basis of a model based on second-order kinetics involving a neutralization process between the positive and negative charge carriers (polarons) that are formed from a photogenerated interchain charge-transfer exciton (polaron pair). The rate constant of the bimolecular recombination process has been obtained. This numerical simulation is useful in analyzing the observed responses of a nonlinear system in the phase-modulation measurements.
KW - Conjugated polymers
KW - Phase-modulation infrared spectroscopy
KW - Photoexcitation dynamics
UR - http://www.scopus.com/inward/record.url?scp=0348228139&partnerID=8YFLogxK
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U2 - 10.1016/S0924-2031(98)00066-6
DO - 10.1016/S0924-2031(98)00066-6
M3 - Conference article
AN - SCOPUS:0348228139
VL - 19
SP - 77
EP - 83
JO - Vibrational Spectroscopy
JF - Vibrational Spectroscopy
SN - 0924-2031
IS - 1
T2 - Proceedings of the 1998 3rd International Symposium on Advanced Infrared and Raman Spectroscopy, AIRS III
Y2 - 5 July 1998 through 9 July 1998
ER -