Formamidinium tin iodide (FASnI 3) is a particularly promising tin-based perovskite, but it remains unstable under environmental stress. To address this, researchers investigated UiO-66 ...

Perovskite solar cells are poised to be the next big photovoltaic technology, after silicon. But they usually don’t last more than a couple of years. They also contain toxic lead, which portends heaps ...