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Cyanomethylbenzoic acid: an acceptor for donor-π-acceptor chromophores used in dye-sensitized solar cells.

ChemSusChem (2013-01-25)
Wanchun Xiang, Akhil Gupta, Muhammad Kalim Kashif, Noel Duffy, Ante Bilic, Richard A Evans, Leone Spiccia, Udo Bach
ABSTRACT

Sensing the sun: Incorporation of a cyanomethyl benzoic acid electron acceptor into donor-π-acceptor sensitizers for dye-sensitized-solar cell is shown to lead to devices with improved conversion efficiency when compared with more widely used cyanoacetic acid acceptor.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Benzoic acid, ACS reagent, ≥99.5%
Supelco
Benzoic acid, Pharmaceutical Secondary Standard; Certified Reference Material
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Melting point standard 121-123°C, analytical standard
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Mettler-Toledo Calibration substance ME 18555, Benzoic acid, analytical standard, for the calibration of the thermosystem 900, traceable to primary standards (LGC)
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Benzoic acid, certified reference material for titrimetry, certified by BAM, ≥99.5%
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Benzoic acid, ReagentPlus®, 99%
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Benzoic acid, Standard for quantitative NMR, TraceCERT®
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Potassium benzoate, ReagentPlus®, 99%
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SS Benzoic Acid, 2000 μg/mL in dichloromethane, analytical standard
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Benzoic acid, SAJ first grade, ≥99.5%
Sigma-Aldrich
Benzoic acid, SAJ special grade, ≥99.5%