Electromodulated optical properties of the silver/pentacene/ITO thin film structure

C. R. Lu, R. C. Shih, H. K. Hsu, W. Y. Chou, Y. S. Mai, S. W. Chu, S. Y. Lin

研究成果: Conference article

摘要

Electromodulated optical responses of the silver/pentacene/ ITO thin film structures were characterized at various biases and temperatures. The optical transitions were perturbed by the energy shifts of the electronic states due to Stark effect induced by the modulation electric field. The modulated spectrum is strongly enhanced in the spectral regions involving the fundamental transitions and composed of the first derivatives of the unmodulated lineshapes. The field-induced change of the transmission increases with the increasing modulation voltage. The transition energies of the silver/pentacene/ ITO system can be derived from the peak positions in the electromodulated spectrum. As the temperature is increased from 25 K, the modulated transmission signal is also increased, and becomes non-monotonous as the temperature is further increased. The transition energies involving the pentacene molecular states remain almost constant as the temperature varies.

原文English
頁(從 - 到)3197-3199
頁數3
期刊Physica Status Solidi (C) Current Topics in Solid State Physics
5
發行號9
DOIs
出版狀態Published - 2008 十二月 1
事件34th International Symposium on Compound Semiconductors, ISCS-2007 - Kyoto, Japan
持續時間: 2007 十月 152007 十月 18

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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