Chinese scientists have achieved a significant breakthrough in the realm of high-efficiency triple-junction solar cell research, attaining a certified steady-state photoelectric conversion efficiency of 32.22%. These findings have been published in the esteemed journal Nature. Currently, triple-junction solar cells are extensively utilized in the aerospace sector. However, a pivotal area of research in the contemporary photovoltaic field is exploring how to leverage low-cost materials to facilitate their widespread application on the ground.