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Jun, Young Chul
Laboratory of Nanophotonics & Metamaterials (NanoMeta)
Research Interests
  • Nanophotonics, plasmonics, metamaterials, 4D printing, programmable matter, smart materials

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High Excitation Transfer Efficiency from Energy Relay Dyes in Dye-Sensitized Solar Cells

Cited 72 times inthomson ciCited 68 times inthomson ci
Title
High Excitation Transfer Efficiency from Energy Relay Dyes in Dye-Sensitized Solar Cells
Author
Hardin, Brian E.Yum, Jun-HoHoke, Eric T.Jun, Young ChulPechy, PeterTorres, TomasBrongersma, Mark L.Nazeeruddin, Md. KhajaGraetzel, MichaelMcGehee, Michael D.
Keywords
MESOPOROUS MATERIALS; TIO2 FILMS; CONVERSION EFFICIENCY; MORPHOLOGY; RED; DCM
Issue Date
2010-08
Publisher
AMER CHEMICAL SOC
Citation
NANO LETTERS, v.10, no.8, pp.3077 - 3083
Abstract
The energy relay dye, 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (DCM), was used with a near-infrared sensitizing dye, TT1, to increase the overall power conversion efficiency of a dye-sensitized solar cell (DSC) from 3.5% to 4.5%. The unattached DCM dyes exhibit an average excitation transfer efficiency (ETE) of 96% inside TT1-covered, mesostructured TiO(2) films. Further performance increases were limited by the solubility of DCM in an acetonitrile based electrolyte. This demonstration shows that energy relay dyes can be efficiently implemented in optimized dye-sensitized solar cells, but also highlights the need to design highly soluble energy relay dyes with high molar extinction coefficients
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DOI
10.1021/nl1016688
ISSN
1530-6984
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MSE_Journal Papers
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