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

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

W213101

Sigma-Aldrich

Benzoic acid, ≥99.5%, FCC, FG

427608

Sigma-Aldrich

Benzoic acid, purified by sublimation, ≥99%

03-1150

Sigma-Aldrich

Benzoic acid, SAJ first grade, ≥99.5%

03-1140

Sigma-Aldrich

Benzoic acid, SAJ special grade, ≥99.5%

109479

Sigma-Aldrich

Benzoic acid, ReagentPlus^®, 99%

76170

Supelco

Melting point standard 121-123°C, analytical standard

PHR1050

Supelco

Benzoic acid, Pharmaceutical Secondary Standard; Certified Reference Material

242381

Sigma-Aldrich

Benzoic acid, ACS reagent, ≥99.5%

290009

Sigma-Aldrich

Potassium benzoate, ReagentPlus^®, 99%

W213128

Sigma-Aldrich

Benzoic acid, natural, ≥99.5%, FCC, FG

06185

Supelco

Benzoic acid, Standard for quantitative NMR, TraceCERT^®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

12353

Supelco

Benzoic acid, reference material for titrimetry, certified by BAM, >99.5%

18102

Sigma-Aldrich

Benzoic acid, meets analytical specification of Ph. Eur., BP, USP, FCC, E210, 99.5-100.5% (alkalimetric)

33047

Sigma-Aldrich

Benzoic acid, puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.9% (alkalimetric)

73983

Supelco

Mettler-Toledo Calibration substance ME 18555, Benzoic acid, analytical standard, (for the calibration of the melting point system), traceable to primary standards (LGC)