According to the researchers, the novel cell employs wide-bandgap perovskite materials to capture short-wavelength sunlight and a narrow-bandgap organic active layer to absorb long-wavelength sun rays.
A team of international scientists associated with the Institute of Chemistry, Chinese Academy of Sciences, has developed the next generation high-efficiency solar cell, termed the perovskite-organic tandem solar cell.
Li Yongfang, a researcher who was part of the team, noted that the perovskite-organic tandem solar cell can reach a record photoelectric conversion efficiency of 26.4%, showcasing the potential of perovskite materials in enhancing solar energy efficiency. The conversion efficiency beats other such solar cells produced so far.
Li added that the novel cell employs wide-bandgap perovskite materials to capture short-wavelength sunlight and a narrow-bandgap organic active layer to absorb near-infrared long-wavelength sun rays. He noted that this combination greatly broadens the usable solar spectrum and significantly improves the device’s energy conversion efficiency.
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