MAPbBr3/TPU复合材料制备及稳定性探究
Research on Preparation and Stability of MAPbBr3/TPU Composites
DOI: 10.12677/ms.2025.157154, PDF,   
作者: 丁伯颖：天津理工大学理学院，天津市量子光学与智能光子学重点实验室，天津
关键词: MAPbBr3 QDs；热塑性聚氨酯；光致发光；稳定性；MAPbBr3 QDs； Thermoplastic Polyurethane； Photoluminescence； Stability
摘要: 利用超声辅助微乳液两步法，将CH3NH3PbBr3 QDs (MAPbBr3 QDs)掺杂到具有高弹性、高透光性以及优异稳定性的热塑性聚氨酯(TPU)材料中，并利用静电纺丝技术将其制备成高发光且可拉伸的MAPbBr3/TPU纤维薄膜。通过光学性能测试发现，相比于本征的量子点，MAPbBr3/TPU薄膜的PLQY提高至65.43%，瞬态荧光寿命增加到47.2 ns，在水中浸泡12 h后，薄膜依旧能保持65%的荧光强度。在TPU的保护下，复合薄膜在溶剂、高温等不同环境条件下均展现出良好的光学特性和环境稳定性。
Abstract: CH3NH3PbBr3 QDs (MAPbBr3 QDs) were incorporated into thermoplastic polyurethane (TPU) with high elasticity, high transmittance and excellent environmental stability via an ultrasound-assisted microemulsion two-step method. Through electrospinning, a highly luminescent and stretchable MAPbBr3/TPU fiber film was prepared. Optical performance tests revealed that compared with the intrinsic quantum dots, the MAPbBr3/TPU film exhibited a high PLQY of 65.43% with an increased fluorescence lifetime of 47.2 ns and retained 65% of its initial fluorescence intensity after 12 h of water immersion. Together with the protection of TPU, the composite films exhibit excellent optical properties and stability under different environmental conditions, such as solvents and high temperatures.
文章引用：丁伯颖. MAPbBr3/TPU复合材料制备及稳定性探究[J]. 材料科学, 2025, 15(7): 1452-1459. https://doi.org/10.12677/ms.2025.157154

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