Panchromatic Response in Solid-State Dye-Sensitized Solar Cells Containing Phosphorescent Energy Relay Dyes

摘要

Dye-sensitized solar cells (DSCs) based on nanocrystalline semiconductors have been intensively studied because of their potential low cost, easy processing, and high performance. Besides broadening light absorption into the near-infrared domain, enhancing the open-circuit potential is a key pathway to further increase the power-conversion efficiency. In a typical liquid-electrolyte cell the maximum open-circuit potential is around 800 mV, which is significantly less than those of solid-state dye-sensitized solar cells (SSDSCs) composed of organic hole-transporting materials (HTMs).