Synthesis, photovoltaic performances and TD-DFT modeling of push–pull diacetylide platinum complexes in TiO 2 based dye-sensitized solar cells Academic Article uri icon

abstract

  • In this joint experimental-theoretical work, we present the synthesis and optical and electrochemical characterization of five new bis-acetylide platinum complex dyes end capped with diphenylpyranylidene moieties, as well as their performances in dye-sensitized solar cells (DSCs). Theoretical calculations relying on Time-Dependent Density Functional Theory (TD-DFT) and a range-separated hybrid show a very good match with experimental data and allow us to quantify the charge-transfer character of each compound. The photoconversion efficiency obtained reaches 4.7% for 8e (see TOC Graphic) with the tri-thiophene segment, which is among the highest efficiencies reported for platinum complexes in DSCs.

altmetric score

  • 0.25

author list (cited authors)

  • Gauthier, S., Caro, B., Guen, F., Bhuvanesh, N., Gladysz, J. A., Wojcik, L., ... Odobel, F.

citation count

  • 31

publication date

  • August 2014