Chinese Optics Letters, 2015, 13 (1): 012301, Published Online: Jan. 6, 2015  

Terahertz radiation from pentacene organic diode at room temperature

Author Affiliations
1 College of Chemistry, Jilin University, Changchun 130012, China
2 State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, China
3 
4 State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, China
Abstract
We investigate terahertz radiation (T-rays) from a pentacene organic diode at room temperature. The quantum chemistry calculation for frequency-related Huang–Rhys factor of pentacene is also carried out. The results demonstrate that the T-rays can come from a bending vibration of pentacene skeleton after the energy of pentacene exciton transferring to the vibrational excited state via electron–phonon coupling. Frequency and natural bond orbital analytics of pentacene and its derivatives are performed in order to explain the result and develop new materials to get higher emission. This work provides a new way to produce T-rays with a simple device at room temperature.

Jian Deng, Yan Wang, Bing Yang, Yuguang Ma. Terahertz radiation from pentacene organic diode at room temperature[J]. Chinese Optics Letters, 2015, 13(1): 012301.

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