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%.
新型非对称 squaraines 用于有机太阳能电池(OSCs)的合成,过程中未使用高毒性试剂。基于这些 squaraines 的 OSCs 展现了令人印象深刻的开路电压 0.92 V 和接近 5% 的功率转换效率。