Journal
THIN SOLID FILMS
Volume 518, Issue 22, Pages 6343-6347Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2010.01.056
Keywords
Organic photosensors; Organic photodiodes; Polymer sensors; Photoconductors
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Funding
- Korea Evaluation Institute of Industrial Technology (KEIT) [KI002068] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2010-0009869] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This paper studies the electrical characteristics of solution-processed organic photosensors (OPSs) made from organic materials of poly-3-hexylthiophene (P3HT) and [6,6]-phenyl-C61 butyric acid methyl ester (PCBM), with four-type of interdigitated electrodes for achieving high photo-sensing performances. The thin layers of organic material are deposited by spin-coating methods. The current of the OPSs through the semiconductor organic films is measured under light intensities ranging from dark to 300 mW/cm(2). At 10 V bias and 300 mW/cm(2) illumination, the currents obtained from pristine P3HT and blended P3HT/PCBM, both spin-coated, are 6.9 x 10(-5) mA, and 3.6 x 10(-5) mA, respectively. Finally, in order to evaluate the response characteristics under illumination, the current characteristics of the OPS are measured as a function of time and results confirm good reproducibility and fast response times of the OPSs. (c) 2010 Elsevier B.V. All rights reserved.
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