The Marder Group in collaboration with the Grätzel Group at the Swiss Federal Institute of Technology (Lausanne) recently published a highly efficient dye sensitized solar cell (DSSC) based on a new squaraine dye (Angew. Chem. Int. Ed. Eng. 2011, 50, 6619-6621). DSSCs based on the dye showed high efficiency of 6.74% with liquid electrolytes and 2.69% with solid-state electrolytes. The high efficiencies were achieved through strong absorption of the dye, a red shifted maximum absorption in the spectrum compared to previously used squaraine dyes, and good absorption across the visible spectrum (panchromaticity). Further optimization of these and other dyes structures are currently under way to increase panchromaticity, absorptivity, and hole-electron separation as well as binding group efficiency and other parameters. Please see our publications.