Study of transient effects in photo-excited semiconducting polymer and bulk heterojunctions

Yi-Hsing Peng,W. L. Cao,Min Du,D. B. Romero,Warren N. Herman,Chi H. Lee

Study of transient effects in photo-excited semiconducting polymer and bulk heterojunctions

2007

Yi-Hsing Peng
W. L. Cao
Min Du
D. B. Romero
Warren N. Herman
Chi H. Lee

Transient dynamics of photoexcited carriers in MEH-PPV, PCBM-C 60 and their blend is investigated by THz-TDS using a 400 nm optical pump and terahertz probe. Free and bound carriers are revealed in the measurement of the complex conductivity.

Keywords:

Polymer solar cell
Spectroscopy
Optoelectronics
Terahertz radiation
Heterojunction
Physics
Polymer blend
Photoexcitation
Organic semiconductor
Conductivity
Excited state
Quantum efficiency
Terahertz spectroscopy and technology
Optical rectification

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