Title :
Study of transient effects in photo-excited semiconducting polymer and bulk heterojunctions
Author :
Peng, Yi-Hsing ; Cao, Weilou ; Du, Min ; Romero, Danilo ; Herman, Warren N. ; Lee, Chi H.
Author_Institution :
Laboratory for Physical Sciences and Department of Electrical and Computer Engineering, University of Maryland, College Park, 20742, USA
Abstract :
Transient dynamics of photoexcited carriers in MEH-PPV, PCBM-C60 and their blend is investigated by THz-TDS using a 400nm optical pump and terahertz probe. Free and bound carriers are revealed in the measurement of the complex conductivity.
Keywords :
Conductivity; Heterojunctions; Optical harmonic generation; Optical pulse generation; Optical pumping; Optical receivers; Optical transmitters; Polymers; Pulse measurements; Semiconductivity;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431219
