Super elastic and negative triboelectric polymer matrix for high performance mechanoluminescent platforms

Hong In Jeong, Hye Sung Jung, Milos Dubajic, Gunpyo Kim, Woo Hyeon Jeong, Hochan Song, Yongju Lee, Swarup Biswas, Hyeok Kim, Bo Ram Lee, Jae Woong Yoon, Samuel D. Stranks (), Soon Moon Jeong (), Jihoon Lee () and Hyosung Choi ()
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Hong In Jeong: Hanyang University
Hye Sung Jung: Hanyang University
Milos Dubajic: University of Cambridge
Gunpyo Kim: Hanyang University
Woo Hyeon Jeong: Sungkyunkwan University
Hochan Song: Hanyang University
Yongju Lee: University of Seoul
Swarup Biswas: University of Seoul
Hyeok Kim: University of Seoul
Bo Ram Lee: Sungkyunkwan University
Jae Woong Yoon: Hanyang University
Samuel D. Stranks: University of Cambridge
Soon Moon Jeong: DGIST
Jihoon Lee: Hanyang University
Hyosung Choi: Hanyang University

Nature Communications, 2025, vol. 16, issue 1, 1-11

Abstract: Abstract Mechanoluminescence platforms, combining phosphors with elastic polymer matrix, have emerged in smart wearable technology due to their superior elasticity and mechanically driven luminescent properties. However, their luminescence performance often deteriorates under extreme elastic conditions owing to a misinterpretation of polymer matrix behavior. Here, we unveil the role of the polymer matrices in mechanoluminescence through an interface-triboelectric effect driven by elasticity, achieving both high elasticity and brightness. By investigating interactions between elastic polymers and copper doped zinc sulfide microparticles, we reveal that elasticity significantly governed triboelectric effects for mechanoluminescence. In particular, high negative triboelectricity emerged as the key to overcoming poor triboelectric effect in extreme elastic conditions. This led to the discovery of polybutylene adipate-co-terephthalate silane and polycarbonate silane, achieving remarkable elasticity over 100% and a brightness of 139 cd/m2. These findings offer fundamental insights to select the optimal polymer matrix based on systematic parameters for various smart wearable applications.

Date: 2025
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DOI: 10.1038/s41467-025-56007-5

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