An international research team has developed a groundbreaking solar cell that sets a new benchmark in efficiency.

The perovskite-organic tandem solar cell achieves a photoelectric conversion efficiency of 26.4 percent, the highest recorded for this type of technology.

According to Li Yongfang, an academician and lead researcher at the institute, this innovation could be a game-changer for the solar industry.

The perovskite-organic tandem cells belong to a new generation of solar cells that offer distinct advantages over traditional crystalline silicon cells, which are currently the most widely used.

These new cells are lighter, easier to produce, and can be made into flexible devices—opening up possibilities for diverse applications like portable energy solutions and building-integrated photovoltaics.

The cell’s high efficiency stems from its unique design, which combines wide-bandgap perovskite materials, absorbing short-wavelength sunlight, with a narrow-bandgap organic layer that captures near-infrared, long-wavelength sunlight.

This strategic combination allows the device to cover a broader spectrum of solar energy, thereby significantly boosting its energy conversion capabilities.

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