Title :
Ultrahigh time resolution nonlinear spectroscopy of polymer/fullerene blends
Author :
Falke, S.M. ; Brida, D. ; Cerullo, G. ; Lienau, C.
Author_Institution :
Inst. fur Phys., Carl von Ossietzky Univ., Oldenburg, Germany
Abstract :
We report ultrafast nonlinear spectra of polymer/fullerene blends measured with unprecedented 10-fs-time resolution. Our results suggest that an extremely fast exciton transport from the optically excited polymer to the fullerene acceptor precedes charge separation.
Keywords :
excitons; optical polymers; polymer blends; spectroscopy; charge separation; fullerene acceptor; fullerene blends; polymer blends; ultrahigh time resolution nonlinear spectroscopy; Absorption; Bleaching; Charge transfer; Excitons; Nonlinear optics; Optical films; Optical polymers; Optical pumping; Spectroscopy; Ultrafast optics; (160.4890) Organic materials; (320.7110) Ultrafast nonlinear-optics;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
