Materials development for robust, low cost tandem solar cells

A new generation of solar cells could safeguard our energy transition, by cutting the costs and environmental impacts of manufacturing.

The most effective improvements would be to increase solar cell power output and longevity, to make ever better use of raw materials and capital. “Tandem” solar cells can offer the higher power output, but the tandem technology nearest to the mass-market relies on materials (called perovskites) that are too delicate to ensure long operational life.

This cancels out any sustainability and cost advantages.

This project concerns research and development of a new type of perovskite material that is highly degradation-resistant.

If it can be made with the necessary quality, our material will unlock the true sustainability and cost advantages of tandem solar cells.

To reach this aim, we will develop specialised production equipment for making high purity materials, and gather the knowledge needed to fine-tune them for high solar cell performance.