Full-color persistent room temperature phosphorescent elastomers with robust optical properties

Juan Wei, Mingye Zhu, Tingchen Du, Jangang Li, Peiling Dai, Chenyuan Liu, Jiayu Duan, Shujuan Liu, Xingcheng Zhou, Sudi Zhang, Luo Guo, Hao Wang, Yun Ma (), Wei Huang () and Qiang Zhao ()
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Juan Wei: Nanjing University of Posts and Telecommunications (NUPT)
Mingye Zhu: Nanjing University of Posts and Telecommunications (NUPT)
Tingchen Du: Nanjing University of Posts and Telecommunications (NUPT)
Jangang Li: Nanjing University of Posts and Telecommunications (NUPT)
Peiling Dai: Nanjing University of Posts and Telecommunications (NUPT)
Chenyuan Liu: Nanjing University of Posts and Telecommunications (NUPT)
Jiayu Duan: Nanjing University of Posts and Telecommunications (NUPT)
Shujuan Liu: Nanjing University of Posts and Telecommunications (NUPT)
Xingcheng Zhou: Nanjing University of Posts and Telecommunications (NUPT)
Sudi Zhang: Nanjing University of Posts and Telecommunications (NUPT)
Luo Guo: Nanjing University of Posts and Telecommunications (NUPT)
Hao Wang: Nanjing University of Posts and Telecommunications (NUPT)
Yun Ma: Nanjing University of Posts and Telecommunications (NUPT)
Wei Huang: Nanjing University of Posts and Telecommunications (NUPT)
Qiang Zhao: Nanjing University of Posts and Telecommunications (NUPT)

Nature Communications, 2023, vol. 14, issue 1, 1-8

Abstract: Abstract Persistent room temperature phosphorescent materials with unique mechanical properties and robust optical properties have great potential in flexible electronics and photonics. However, developing such materials remains a formidable challenge. Here, we present highly stretchable, lightweight, and multicolored persistent luminescence elastomers, produced by incorporating ionic room temperature phosphorescent polymers and polyvinyl alcohol into a polydimethylsiloxane matrix. These prepared elastomers exhibit high optical transparency in daylight and emit bright persistent luminescence after the removal of 365 nm excitation. The homogeneous distribution of polymers within the matrix has been confirmed by confocal fluorescence microscopy, scanning electron microscopy, and atomic force microscopy. Mechanical property investigations revealed that the prepared persistent luminescence elastomers possess satisfactory stretchability. Impressively, these elastomers maintain robust optical properties even under extensive and repeated mechanical deformations, a characteristic previously unprecedented. These fantastic features make these persistent luminescence elastomers ideal candidates for potential applications in wearable devices, flexible displays, and anti-counterfeiting.

Date: 2023
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DOI: 10.1038/s41467-023-40193-1

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