<p>➀ Researchers developed a molecular coating (BPA) enabling organic solar cells to function as dual-purpose devices for power generation and photodetection under indoor lighting;</p><p>➁ Achieved 28.6% efficiency at 1,000 lux LED light with high stability (87% performance retention after 1,000 hours) and cost-effectiveness;</p><p>➂ Enables battery-free IoT devices, wearable tech, and scalable flexible electronics, eliminating separate components for solar and sensing.</p>