ThehybridsensitizerrhodamineBandcoumarinoreosinandcoumarinisusedtosensitizenanocrystallineporousfilms.Absorptionofthenanocrystallinephotovoltaiccell(NPC)isimprovedinvisiblelight.TheperformanceofthesecellsismoreeffectivethanthatofcellssensitizedonlybysensitizerrhodamineBoreosin.Inthesimulativesolarlight,cellsensitizedbyhybridsensitizerrhodamineBandcoumarincangetopencircuitvoltage(VOC)of550mVandshortcircuitcurrent(ISC)of0.1375mA/cm2.