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Recently, the Chinese Academy of Sciences Chongqing Institute of Green Intelligent Technology has made new progress in the research and development of flexible graphene perovskite solar cells. A standard perovskite solar cell with an efficiency of 12% has been prepared, and the graphene electrode prepared at the same time has a transmittance greater than 85. %, square resistance less than 50 euros.
At present, the photovoltaic industry is in the transition period of replacing crystalline silicon solar cells with flexible thin-film solar cells. Perovskite solar cells are currently the only high-efficiency solar cells that can be printed at low cost. They can be used to make flexible batteries, ultralight batteries, translucent batteries, and color batteries.
Combining the technological superiority of Chongqing Research Institute in the preparation of large-area graphene, this time through the development of high-performance graphene flexible transparent electrodes that can replace ITO and combining it with perovskite solar cells to develop highly efficient flexible graphene-based calcium titanium The production of a standard perovskite solar cell with an efficiency of 12% (Figure 1) was performed using ore solar cells and a low-cost mass production process. At the same time, the prepared graphene electrode had a transmissivity of more than 85% and a square resistance of less than 50 euros (Figure 2). ).
Related research results have been published in Nature Communications 6 (2015).
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