Novel heteroleptic ruthenium complexes for dye sensitized solar cells
By Silva, Maria do Socorro de P.; Di
Published in Journal of Photochemistry and Photobiology A: Chemistry
NULL
2016
Abstract
Abstract A new heteroleptic complex, [Ru(dcbH2)(bpy)(9AA)Cl]2+, Ru-9AA (9AA = 9-aminoacridine), was synthesized, characterized and used along with the previously synthesized [Ru(dcbH2)(bpy)(TCNE)Cl], Ru-TCNE (TCNE = tetracyanoethylene), in dye-sensitized solar cells (DSCs). The photoelectrochemical data were evaluated in comparison to the standard [Ru(dcbH2)2(NCS)2] dye, N3. {DSCs} sensitized by these compounds exhibit overall efficiency conversion of 0.95 and 2.82% for Ru-9AA and Ru-TCNE, respectively, while that for {N3} is 5.65% in the same condition. In spite of presenting lower global efficiencies than the standard dye, the Ru-TCNE complex present adequate electron injection efficiency and convert light into electricity effectively.
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