A new copper(I) complex with the ability to bind to TiO(2) was synthesised and successfully employed as a solar cell sensitizer. Furthermore, we demonstrated that the copper(I) dye-sensitised TiO(2)-based photocatalyst exhibits impressive effectiveness for the selective photoreduction of CO(2) to CH(4) under visible light.
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Back to the future: asymmetrical DπA 2,2'-bipyridine ligands for homoleptic copper(i)-based dyes in dye-sensitised solar cells.
RSC Adv
January 2023
Department of Chemistry, University of Basel BPR 1096, Mattenstrasse 24a 4058 Basel Switzerland
Metal complexes used as sensitisers in dye-sensitised solar cells (DSCs) are conventionally constructed using a push-pull strategy with electron-releasing and electron-withdrawing (anchoring) ligands. In a new paradigm we have designed new DπA ligands incorporating diarylaminophenyl donor substituents and phosphonic acid anchoring groups. These new ligands function as organic dyes.
View Article and Find Full Text PDFNeutral copper(I) dipyrrin complexes and their use as sensitizers in dye-sensitized solar cells.
Dalton Trans
March 2014
School of Chemistry and EaStChem, University of Edinburgh, King's Buildings, Edinburgh, UK.
Heteroleptic neutral copper(I) dipyrrin complexes have been synthesised with the general formula [Cu(4,4'-(R)-6,6'-(CH3)-bipyridine)(dipyrrin)], R = CH3 or CO2Et, and H-dipyrrin is either 1,3,7,9-tetramethyldipyrromethene (HL1), 1,13-diphenyl-6,8-diisoindolemethene (HL2), or 1,13-diphenyl-3,11-di(trifluoromethyl)-6,8-diisoindolemethene (HL3). Improved stability was observed across the series , likely due to better steric constraints between the ligands. Visible light absorption has also been enhanced with a red-shift in absorption from 450 nm to 600 nm.
View Article and Find Full Text PDFA copper(I) dye-sensitised TiO2-based system for efficient light harvesting and photoconversion of CO2 into hydrocarbon fuel.
Dalton Trans
August 2012
Eco-Materials and Renewable Energy Research Center, National Laboratory of Solid State Microstructures, Department of Materials Science and Engineering, Nanjing University, Nanjing, Jiangsu 210093, P.R. China.
A new copper(I) complex with the ability to bind to TiO(2) was synthesised and successfully employed as a solar cell sensitizer. Furthermore, we demonstrated that the copper(I) dye-sensitised TiO(2)-based photocatalyst exhibits impressive effectiveness for the selective photoreduction of CO(2) to CH(4) under visible light.
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