In this paper we report the optical absorption and photoinduced absorption spectra of poly(1-N-carbazolyl-penta-1,3 diyne-5-acetoxy) and of poly(1-N-carbazolyl-penta-1,3-diyne-5-ol) and their relation to temperature, excitation intensity, and frequency of the pump-probe cycles. Preliminary data on an oligomeric sample are also discussed. All experimental data point to the presence of long-lived photogenerated defects characterized by a bimolecular recombination process which appears typical of bipolaronic states.
Optical properties and photoinduced absorptions in unsymmetrical polycarbazolydiacetylenes
G. F. Musso;P. Piaggio;D. Comoretto;C. Cuniberti;G. Dellepiane
1992-01-01
Abstract
In this paper we report the optical absorption and photoinduced absorption spectra of poly(1-N-carbazolyl-penta-1,3 diyne-5-acetoxy) and of poly(1-N-carbazolyl-penta-1,3-diyne-5-ol) and their relation to temperature, excitation intensity, and frequency of the pump-probe cycles. Preliminary data on an oligomeric sample are also discussed. All experimental data point to the presence of long-lived photogenerated defects characterized by a bimolecular recombination process which appears typical of bipolaronic states.
File in questo prodotto:
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
