Title :
Self-trapped exciton dynamics in highly ordered and disorder films of polythiophene derivative
Author :
Kobayashi, T. ; Hamazaki, J. ; Arakawa, M. ; Kunugita, H. ; Ema, K. ; Ochiai, K. ; Rikukawa, M. ; Sanui, K.
Author_Institution :
Dept. of Phys., Sophia Univ., Tokyo, Japan
Abstract :
We measured time-resolved photoluminescence on highly ordered and disorder films of polythiophene derivative, poly(3-[2-((S)-2-methylbutoxy)ethyl]thiophene). A migration of self-trapped exciton (STE) is observed in both films, and a structural dependence of the STE behavior is revealed.
Keywords :
excitons; optical films; optical polymers; photoluminescence; time resolved spectroscopy; disorder films; highly ordered films; polythiophene derivative; polythiophene derivative, poly(3-[2-((S)-2-methylbutoxy)ethyl]thiophene); self-trapped exciton dynamics; self-trapped exciton migration; structural dependence; time-resolved photoluminescence measurement; Absorption; Chemical technology; Excitons; Nonlinear optics; Optical films; Optical filters; Optical polymers; Optical pulses; Photoluminescence; Pulse amplifiers;
Conference_Titel :
Nonlinear Optics: Materials, Fundamentals, and Applications, 2000. Technical Digest
Conference_Location :
Kaua´i-Lihue, HI, USA
Print_ISBN :
1-55752-646-X
DOI :
10.1109/NLO.2000.883681
