SMRTR Science & EngineeringFeb 17, 2026Interesting Engineering

Organic solar cells retain 93% power-conversion efficiency with new additive

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Penn State researchers found that adding 9,10-phenanthrenequinone (PQ) to organic solar cells boosts efficiency retention from 76% to over 93% after heat exposure. This low-cost additive could make organic cells a viable alternative to silicon panels.

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