The instability of Perovskite solar cells must be addressed for global adoption


April 28, 2023

(Nanowerk News) The mass adoption of perovskite solar cells will never be commercially viable unless the technology overcomes some key challenges, according to researchers from the University of Surrey.

Perovskite-based cells are widely believed to be the next evolution of solar energy and meet the growing demand for clean energy. However, they are not as stable as traditional solar based cells.

The Surrey team found that stabilizing the perovskite “photoactive phase” – the specific part of the material responsible for converting light energy into electrical energy – was a key step towards extending the life of perovskite solar cells.

The stability of the photoactive phase is important because if it is degraded or damaged over time, the solar cell will not be able to generate electricity efficiently. Therefore, stabilizing the photoactive phase is an important step in increasing the longevity and effectiveness of perovskite solar cells.

In study (Natural Chemistry Review, “Photoactive phase stabilization for perovskite photovoltaics”), the Surrey team analyzed how new technological advances could be used to strengthen the perovskite phase.

Dr Xueping Liu, first author at the Advanced Technology Institute, University of Surrey, said: “Perovskite solar cells are not yet as reliable as traditional solar cells, although they are more efficient at converting sunlight into electricity. To make these cells more reliable it is important to understand why they are unstable and to find ways to control how they are made to prevent them from breaking down over time.This research aims to do this by better understanding the stability of cells and how to improve their design.By doing this, perovskite solar cells can be used on a larger scale big, helping to provide more clean energy for everyone.”

Prof. next generation.”


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