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학술지 Fabrication and Characterization of Dye-Sensitized Solar Cells for Greenhouse Application
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저자
김점종, 강만구, 곽옥금, 윤용진, 민길식, 주무정
발행일
201409
출처
International Journal of Photoenergy, v.2014, pp.1-7
ISSN
1110-662X
출판사
Hindawi Publishing
DOI
https://dx.doi.org/10.1155/2014/376315
협약과제
14ZC2100, 지능형 그린하우스 개발, 문애경
초록
We have developed dye-sensitized solar cells using novel sensitizers with enhanced transmittance of red (625-675 nm) and blue (425-475 nm) wavebands to control the illumination condition in the greenhouse. Novel ruthenium bipyridyl sensitizers with general formulas (Me3PhN)4[Ru(dcbpy)2(NCS)2] (JJ-7) and (Me3BnN)4[Ru(dcbpy)2(NCS)2] (JJ-9) have been synthesized and demonstrated as efficient sensitizers in dye-sensitized solar cells for greenhouse application. Under standard AM 1.5 sunlight, the solar cell of JJ-7 using a liquid-based electrolyte exhibits a short-circuit photocurrent density of 8.49 mA/cm2, an open-circuit voltage of 0.83 V, and a fill factor of 0.71, corresponding to an overall conversion efficiency of 4.96% on 5 m TiO2 film. The transmittance of JJ-7 and JJ-9 shows 62.0% and 61.0% at 660 nm and 18.0% and 15.0% at 440 nm for cultivation on 5 m TiO2 film, respectively.
KSP 제안 키워드
3 V, 40 nm, 5 nm, Conversion efficiency(C.E.), Dye-sensitized solar cells(DSCs), Enhanced transmittance, Illumination conditions, Open circuit voltage(VOC), Ruthenium bipyridyl, Short-circuit photocurrent density, fabrication and characterization