Fabrication and characterization of dye-sensitized solar cells for greenhouse application

Jeum Jong Kim, Mangu Kang, Ock Keum Kwak, Yong Jin Yoon, Kil Sik Min, Moo Jung Chu

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

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.

Original languageEnglish
Article number376315
JournalInternational Journal of Photoenergy
Volume2014
DOIs
StatePublished - 20 Aug 2014

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