Journal
SOLID-STATE ELECTRONICS
Volume 51, Issue 7, Pages 1052-1055Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.sse.2007.05.006
Keywords
organic thin film transistors; organic photodiodes; organic semiconductors
Funding
- Korea Institute of Industrial Technology(KITECH) [F0004020-2007-23] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Ministry of Education, Science & Technology (MoST), Republic of Korea [gist-06] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [R0A-2005-000-10077-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Pentacene phototransistors (PTs) prepared with a thin film transistor (TFT) configuration were investigated as a red light sensor. The pentacene TFTs showed an efficient photo-current response under various intensities of both modulated or continuous red light. The pentacene PTs showed a reliable high responsivity of similar to 1 A/W and the ratio of photocurrent to dark current (I-Ph/I-Dark) was 9000 under visible light at a wavelength of 650 nm due to the relatively small band gap of pentacene. (c) 2007 Elsevier Ltd. All rights reserved.
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