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Credits: Image: CUBE3D Graphic Next image Perovskites are a leading candidate for eventually replacing silicon as the material of choice for solar panels. They offer the potential for low-cost, low-temperature manufacturing of ultrathin, lightweight flexible cells, but so far their efficiency at converting sunlight to electricity has lagged behind that of silicon and some other alternatives. Now, a new approach to the design of perovskite cells has pushed the material to match or exceed the efficiency of today’s typical silicon cell, which generally ranges from 20 to 22 percent, laying the groundwork for further improvements. By adding a specially treated conductive layer of tin dioxide bonded to the perovskite material, which provides an improved path for the charge carriers in the cell, and by modifying the perovskite formula, researchers have boosted its overall efficiency as a solar cell to 25.2 percent a near-record for such materials,

United statesSouth koreaCity ofUnited kingdomMoungi bawendiRobert hoyeEnergy initiativeUlsan national institute of scienceInstitute for soldier nanotechnologyImperial college londonNational research foundation of koreaNational research council of scienceKorea research institute of chemical technologyKorea advanced institute of scienceJason yoo phdLester wolfe professor moungi bawendi