Royal Society of Chemistry, Journal of Materials Chemistry C Materials for optical and electronic devices, 4(6), p. 847-854
DOI: 10.1039/c7tc04639a
Full text: Unavailable
New unsymmetrical squaraines for organic solar cells (OSCs) are synthesized without using highly toxic reagents. OSCs based on these squaraines exhibit an impressive open-circuit voltage of 0.92 V and power conversion efficiencies approaching 5%.