Featured in Treasure Islands – 08-2024

Putting the thin into thin film

Multijunction solar cells exhibit huge potential for higher conversion efficiency, and deposition techniques will be crucial to unlocking the power of perovskite tandem devices.
Researchers from Imec’s imo-imomec research group at Hasselt University are working with Belgian research partnership EnergyVille to push the envelope on efficiency. | Images: Imec

 Silicon solar cells are nearing their theoretical sunlight conversion efficiency limit of around 30% and combinations of different materials offer promise of higher conversion efficiency. Multijunction solar cells feature two – in “tandem” devices – or more layers of materials, each with bandgaps optimized to absorb different parts of the solar spectrum.The first commercially viable …

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