Low-cost solar cells poised for commercial breakthrough.
by Robert F.
Dec 2016
@sciencemagazine
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Cheap materials called perovskites are insinuating themselves into silicon solar
cells—a first step toward ultimately usurping the reigning cell material.
Last week,
at a meeting here of the Materials Research Society (MRS), researchers announced
that “tandem” cells, in which perovskites are layered on top of silicon and other
photovoltaic materials, have achieved record-setting efficiencies at turning sunlight
into electricity.
Now, researchers are moving fast to surmount the lack of durability
and other problems that have hindered the commercialization of perovskites.
“I think perovskites are going to make it to market,” says Aslihan Babayigit, a
perovskite researcher at Hasselt University in Diepenbeek, Belgium.
The progress
has been “amazing,” adds David Cahen, a materials scientist at the Weizmann
Institute of Science in Rehovot, Israel.
“Even if all the problems are not solved, most
look solvable.”
IMG
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