Perovskite solar cells are a promising new low-cost photovoltaic technology, but most contain toxic lead. Researchers have introduced solar cells with a new titanium-perovskite material that gets the lead out.
Perovskite solar cells are a promising new low-cost photovoltaic technology, but most contain toxic lead. Researchers have introduced solar cells with a new titanium-perovskite material that gets the lead out.