Tough, stable and self-healing luminescent perovskite-polymer matrix applicable to all harsh aquatic environments

Yuncong Liu, Tao Chen, Zhekai Jin, Mengxue Li, Dongdong Zhang, Lian Duan, Zhiguo Zhao and Chao Wang ()
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Yuncong Liu: Tsinghua University
Tao Chen: Tsinghua University
Zhekai Jin: Tsinghua University
Mengxue Li: Tsinghua University
Dongdong Zhang: Tsinghua University
Lian Duan: Tsinghua University
Zhiguo Zhao: China Huaneng Clean Energy Research Institute
Chao Wang: Tsinghua University

Nature Communications, 2022, vol. 13, issue 1, 1-11

Abstract: Abstract Gelatinous underwater invertebrates such as jellyfish have organs that are transparent, luminescent and self-healing, which allow the creatures to navigate, camouflage themselves and, indeed, survive in aquatic environments. Artificial luminescent materials that can mimic such functionality can be used to develop aquatic wearable/stretchable displays and water-resistant devices. Here, a luminescent composite that is simultaneously transparent, tough and can autonomously self-heal in both dry and wet conditions is reported. A tough, self-healable fluorine elastomer with dipole–dipole interactions is synthesized as the polymer matrix. It exhibits excellent compatibility with metal halide perovskite quantum dots. The composite possesses a toughness of 19 MJ m−3, maximum strain of 1300% and capability to autonomously self-heal underwater. Notably, the material can withstand extremely harsh aqueous conditions, such as highly salty, acidic (pH = 1) and basic (pH = 13) environment for more than several months with almost no decay in mechanical performance or optical properties.

Date: 2022
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DOI: 10.1038/s41467-022-29084-z

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