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This research aims to improve the balance between stretchability and emission efficiency in stretchable OLEDs using plasticizers.

May 24, 2026Nature CommunicationsOpen Access

Approaching-unity PLQY and high stretchability in polymer emitters via molecular spacers

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Randomized trial demonstrates improved photoluminescence and stretchability in stretchable OLEDs, suggesting a viable design principle.

This research aims to improve the balance between stretchability and emission efficiency in stretchable OLEDs using plasticizers.
Incorporated dioctyl phthalate (DOP) as a plasticizer into TADF polymers.
Evaluated the mechanical and optical properties of the resulting composites including photoluminescence and stretchability.
Measured external quantum efficiency (EQE) of OLEDs under various conditions.
Achieved approaching-unity photoluminescence quantum yield (PLQY).
Demonstrated stretchability exceeding 110% strain.
Reached external quantum efficiency (EQE) of 12.6% in rigid devices and 3.05% in fully stretchable OLEDs.

Wang et al. (2026) studied this question.

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