Featured in Fault lines – 11-2025

Let’s go outside

With impressive and still improving efficiency results, perovskites have caught the solar industry’s attention in recent years. Most market observers now forecast widespread commercial use of the material group in solar cells beginning in the early 2030s, but there’s still a lot of work to do for that to become reality.

By

Mark Hutchins

03 Nov 2025

Helmholtz-Zentrum Berlin hosts a rooftop test setup to evaluate solar cells and modules. | Image: Helmholtz Zentrum Berlin

Many perovskite materials show sensitivity to moisture and oxygen, among other long-term stability challenges that need to be solved or managed in a commercial product. While accelerated lab tests can give an idea of how a device might function (or cease to function) over long periods deployed in various conditions, real outdoor testing data is …

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