Abstract

Organic sensitizers comprising of donor, electron-conducting, and anchoring groups are designed and developed for dye-sensitized solar cell applications. A solar cell employing 3-(5'-{4-[bis-(4-hexyloxy-phenyl)-amino]-phenyl}-[2,2']bithiophenyl-5-yl)-2-cyano-acrylic acid dye spiro-OMeTAD as a hole-transporting material exhibits a short circuit photocurrent density of 9.64 mA/cm(2), an open-circuit voltage of 798 mV, and a fill factor of 0.57, corresponding to an overall conversion efficiency of 4.4% at standard AM 1.5 sunlight. Photoinduced absorption spectroscopy probes an efficient hole-transfer from dyes to the spiro-OMeTAD.

Keywords

PhotocurrentDye-sensitized solar cellEnergy conversion efficiencyOpen-circuit voltageSolar cellPhotochemistryAcrylic acidMaterials scienceShort circuitOrganic solar cellAbsorption (acoustics)Organic dyeAbsorption spectroscopySolid-stateElectron transferChemistryOptoelectronicsVoltageChemical engineeringElectrodeOpticsOrganic chemistryElectrolytePhysical chemistryCopolymerElectrical engineering

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Publication Info

Year
2009
Type
article
Volume
113
Issue
38
Pages
16816-16820
Citations
93
Access
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Cite This

Soo‐Jin Moon, Jun‐Ho Yum, Robin Humphry‐Baker et al. (2009). Highly Efficient Organic Sensitizers for Solid-State Dye-Sensitized Solar Cells. The Journal of Physical Chemistry C , 113 (38) , 16816-16820. https://doi.org/10.1021/jp9033722

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DOI
10.1021/jp9033722