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학술지 Interdigitated Electrode Geometry Effects on the Performance of Organic Photoconductors for Optical Sensor Applications
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저자
정진욱, 허진우, 이정익, 추혜용, 박정호, 주병권
발행일
201008
출처
Thin Solid Films, v.518 no.22, pp.6343-6347
ISSN
0040-6090
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.tsf.2010.01.056
협약과제
11MB1100, 환경/감성형 OLED 면조명 기술, 추혜용
초록
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/cm2. At 10 V bias and 300 mW/cm2 illumination, the currents obtained from pristine P3HT and blended P3HT/PCBM, both spin-coated, are 6.9 × 10- 5 mA, and 3.6 × 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. © 2010 Elsevier B.V. All rights reserved.
키워드
Organic photodiodes, Organic photosensors, Photoconductors, Polymer sensors
KSP 제안 키워드
3-hexylthiophene(SEM poly), Butyric acid, Current characteristics, Geometry effects, Methyl ester, Optical sensors, Organic materials, Photo-sensing, Polymer sensors, Response characteristics, Solution-processed