TANDEM CELLS USING HIGHLY DISPERSIVE NANO METAL OXIDE INTERLAYER AND FABRICATION METHODS THEREOF

摘要

PURPOSE: A laminated polymer solar battery using a metal oxide nano particle and a manufacturing method thereof are provided to form a middle layer and form a second light activating layer and a drain electrode on the middle layer, thereby obtaining a high open circuit voltage. CONSTITUTION: A first photoactive layer(30), a middle layer(40), a recombination layer, a second photoactive layer(60), and a drain electrode are successively laminated from the lower part of a conductive substrate from the top of the conductive substrate. The middle layer protects the first and second photoactive layers and assists electron transfer from the first photoactive layer to the recombination layer. The middle layer has surface roughness which is shorter than 50nm. The middle layer comprises a high dispersion metal oxide nano particle. An electron transferred to the first photoactive layer and a hole transferred to the second photoactive layer.