Major reasons for inferior FF and Voc of PbS sensitized q-dot solar cells could be due to presence of high defects states at the surface of q-dot PbS particles causing enhanced charge trapping leading to higher charge recombination [18,19].
Major reasons for inferior FF and Voc of PbS sensitized q-dot solar cells could be dueto presence of high defects states at the surface of q-dot PbS particles causing enhanced charge trapping leading to higher charge recombination [18,19].