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  - TECHXPLORE.COM - Energy & Green Tech - 12/07/2024 12:00

A new approach to boost the efficiency of non-fused ring electron acceptor solar cells

The power-conversion efficiencies (PCEs) of organic solar cells based on compounds known as polymer donors and fused ring electron acceptors (FREAs) have recently exceeded 19%. In contrast, organic solar cells based on non-fused ring electron acceptors (NFREAs), more affordable compounds characterized by non-fused (i.e., separate) aromatic rings, have so far exhibited disappointing efficiencies of around 16%.

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