Fig. 5: Improved device stability. | Nature Communications

Fig. 5: Improved device stability.

From: Geometry design of tethered small-molecule acceptor enables highly stable and efficient polymer solar cells

Fig. 5: Improved device stability.The alt text for this image may have been generated using AI.

a Normalized PCEs of the PM6:Y6 and PM6: TSMA-based devices under long-term annealing at 100 °C in a nitrogen-filled glovebox. b Maximum power point (MPP) stability test of the PM6:Y6 and PM6:TSMA-based devices under 1-Sun equivalent illumination from white LEDs at the MPP conditions in open-air. c Illustrations of the dependence of the morphology stability on the χ value in the χ-φSMA phase diagram. d Schematic illustration of the TSMAs and Y6 molecular distribution and diffusion process in solution and PM6:acceptor films during the device fabrication and thermal aged procedures.

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