Title :
Ultrafast relaxation processes in organic molecular crystals of MePTCDI and PTCDA
Author :
Koschorreck, M. ; Engel, E. ; Leo, K. ; Hoffmann, M.
Author_Institution :
Institut fur Angewandte Photophysik, Technische Univ. Dresden
Abstract :
We observe a sub-30-fs intra-band relaxation in MePTCDI by pump-probe spectroscopy of the excited state absorption. Furthermore, fluorescence and polarization anisotropies are determined to understand energy transfer processes between different molecules
Keywords :
excited states; fluorescence; light polarisation; optical pumping; organic semiconductors; relaxation; time resolved spectra; 30 fs; MePTCDI; PTCDA; energy transfer processes; excited state absorption; fluorescence; intraband relaxation; organic molecular crystals; polarization anisotropies; pump-probe spectroscopy; ultrafast relaxation processes;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
