Concepedia

Shamrock-shaped non-fullerene acceptors enable high-efficiency and high-voltage organic photovoltaics

Zongtao Wang, Mengwei Ji, Ailing Tang, Mengzhen Du, Chenyu Mu, Yingliang Liu, Ergang Wang, Erjun Zhou

Energy & Environmental Science · 2024 · 28 citations · 46 references

DOI

Concepts

Abstract

We developed two shamrock-shaped NFAs, AQI2 and AQI4. D18:AQI2 achieved a PCE of 16.48% with a V OC of 1.00 V, and D18:AQI4 achieved a higher PCE of 18.02% with a V OC of 0.95 V due to decreased energy loss and efficient photon utilization.

References

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Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells

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