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학술지 A New Ruthenium Sensitizer Containing Dipyridylamine Ligand for Effective Nanocrystalline Dye-Sensitized Solar Cells
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저자
김점종, 윤정훈
발행일
201209
출처
Inorganica Chimica Acta, v.394, pp.506-511
ISSN
0020-1693
출판사
Elsevier,
DOI
https://dx.doi.org/10.1016/j.ica.2012.09.017
협약과제
12ZK1100, 그린IT 융.복합 기술개발, 이수인
초록
Two series of novel ruthenium bipyridyl sensitizers incorporating conjugated dipyridylamine ligands with general formula [Ru (dcbpy) (L) (NCS)2, where dcbpy is 4,4??-dicarboxylic acid-2,2??- bipyridine and L is N-hexyl-4,4??-di(4-hexylstyryl)-2,2??- dipyridylamine, JJ-95 or N-hexyl-4,4??-di{(5-hexylthiophen-2-yl)vinyl}-2, 2??-dipyridylamine, JJ-99] have been synthesized and demonstrated as efficient sensitizers in dye-sensitized solar cells. A mesoporous titania film stained with JJ-99 exhibits a remarkable incident monochromatic photon-to-current conversion efficiency of 84%. Under standard AM 1.5 sunlight, the solar cell using a liquid-based electrolyte exhibits a short-circuit photocurrent density of 18.89 mA/cm2, an open-circuit voltage of 0.66 V, and a fill factor of 0.69, corresponding to an overall conversion efficiency of 8.76%. © 2012 Elsevier B.V. All rights reserved.
키워드
Dipyridylamine ligand, Dye-sensitized solar cell, Ruthenium sensitizer
KSP 제안 키워드
Conversion efficiency(C.E.), Dye-sensitized solar cells(DSCs), Mesoporous titania film, Open circuit voltage(VOC), Ruthenium bipyridyl, Ruthenium sensitizer, Short-circuit photocurrent density, dicarboxylic acid, fill factor, photon-to-current conversion efficiency