Angle-dependent carrier injection in copper phthalocyanine thin films

Hyung Keun Yoo; Youngwoon Yoon; Hanju Lee; Kiejin Lee; Chul Kang; Chul-Sik Kee; Joong Wook Lee

doi:10.1117/12.2018560

20 May 2013 Angle-dependent carrier injection in copper phthalocyanine thin films

Hyung Keun Yoo, Youngwoon Yoon, Hanju Lee, Kiejin Lee, Chul Kang, Chul-Sik Kee, Joong Wook Lee

Author Affiliations +

Proceedings Volume 8879, Nano-Bio Sensing, Imaging, and Spectroscopy; 88790H (2013) https://doi.org/10.1117/12.2018560
Event: Nano-Bio Sensing, Imaging and Spectroscopy, 2013, Jeju, Korea, Republic of

Abstract

We present that the carrier concentration injected from a silicon substrate to a copper phthalocyanine thin film depends on the incidence angle of photoexciting beam. At higher incidence angles of photoexciting beam, the modulation efficiency of terahertz transmission due to TM-polarized excitation is distinctly higher than one due to TE-polarized excitation. We find that this phenomenon is due to the enhancement of carrier injection which is expected when the incident light is more transmitted through the organic thin film.

Citation Download Citation

Hyung Keun Yoo, Youngwoon Yoon, Hanju Lee, Kiejin Lee, Chul Kang, Chul-Sik Kee, and Joong Wook Lee "Angle-dependent carrier injection in copper phthalocyanine thin films", Proc. SPIE 8879, Nano-Bio Sensing, Imaging, and Spectroscopy, 88790H (20 May 2013); https://doi.org/10.1117/12.2018560

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