Transient Properties of Photoexcited Inorganic and Organic Semiconductors using Terahertz Time Domain Spectroscopy

Author

Peng, Yi-Hsing ; Cao, Weilou ; Yun, Victor ; Herman, Warren N. ; Lee, Chi H.

Author_Institution

Dept. of Electr. & Comput. Eng., Maryland Univ., College Park, MD

fYear

2006

fDate

Oct. 2006

Firstpage

1

Lastpage

3

Abstract

Transient optical and electronic properties of photoexcited, semiconductor (p-type silicon) and semiconducting polymer (MEH-PPV/PCBM) are measured by terahertz time-domain spectroscopy using a 400 nm optical pump and terahertz probe. The semiconductor data is fit using a simple Drude model. The semiconducting polymer data shows very fast carrier rise time and decay time

Keywords

elemental semiconductors; optical polymers; optical pumping; organic semiconductors; silicon; submillimetre wave spectroscopy; 400 nm; inorganic semiconductors; optical pumping; organic semiconductors; photoexcitation; semiconducting polymer; simple Drude model; terahertz probe; terahertz time domain spectroscopy; transient electronic properties; transient optical properties; Optical polymers; Optical pumping; Optical receivers; Optical refraction; Optical sensors; Optical transmitters; Organic semiconductors; Silicon; Spectroscopy; Ultrafast optics; Photoexcitation; Semiconducting polymer; Silicon; Terahertz; Time domain spectroscopy;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Photonics, 2006. MWP '06. International Topical Meeting on

Conference_Location

Grenoble

Print_ISBN

1-4244-0203-4

Electronic_ISBN

1-4244-0204-2

Type

conf

DOI

10.1109/MWP.2006.346501

Filename

4153803