NREL finds new chemical layers to boost perovskite solar cell efficiency

By Kelly Pickerel Researchers at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) created an environmentally stable, high-efficiency perovskite solar cell, bringing the emerging technology a step closer to commercial deployment.
Steve Harvey, Jeffrey Christians, Tracy Schloemer, Bertrand Tremolet de Villers, and Joseph Luther are co-authors of “Tailored Interfaces of Unencapsulated Perovskite Solar Cells for >1,000 Hours of Ambient Operational Stability.” (Photo by Dennis Schroeder/NREL)
Over the past decade, perovskites have rapidly evolved into a promising technology, now with the ability to convert about 23% of sunlight into electricity, but work is still needed to make the devices durable enough for long-term use.

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