USING Cu2O CuO AND PEDOT: PSS HOLE TRANSPORTING DOUBLE LAYERS FOR DEVELOP PEROVSKITE SOLAR CELLS
Perovskite solar cells, which are classified as the 3rd generation solar cells, demonstrate good flexibility so they have the potential for a large area and light weight solar cell fabrication. Currently, several techniques are purposed to be used to develop perovskite solar cells. In this work, hole transporting material is modified where a single layer (Cu2O, CuO) and double layers (Cu2O/PEDOT:PSS, CuO/PEDOT:PSS) of hole transporting layer were fabricated for perovskite solar cells. The power conversion efficiency of each device was analyzed and compared with the reference cell. It was found that the maximum power conversion efficiency of 7.82% was obtained when the double layer of Cu2O/PEDOT:PSS was used to transport hole. Physical properties were examined using X-ray diffraction (XRD). The light absorption and transmission properties were analyzed using UV-vis spectroscopy. The morphological characteristic of the film surface was examined by scanning electron microscopy (SEM), were hole transporting layer was analyzed in more detail.
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