An Oxford PV solar module with layers of perovskite and silicon Oxford PV
The most efficient solar cell ever made can convert almost half of the sunlight that reaches it into electricity. If widely available, such a powerful cell – with double the efficiency of the standard solar panel on sale today – could slash the cost of solar energy, as well as the amount of land and material needed to build it.
The problem is that such ultra-efficient cells were designed to power satellites in space and were made using extremely expensive materials. Those dollars are a drop in the bucket…
