关键词: fluorescent inks metal halide self-healing self-trap exciton emission

来  源:   DOI:10.1002/chem.202401739

Abstract:
Metal halide materials have recently drawn increasing research interest for their excellent opto-electronic properties and structural diversity, but their resulting rigid structures render them brittle and poor formability during manufacturing. Here we demonstrate a thermoplastic luminant hybrid lead halide solid by integrating lead bromide complex into tri-n-octylphosphine oxide (TOPO) matrix. The construction of the hybrid materials can be achieved by a simple dissolution process, in which TOPO molecules act as the solvents and ligands to yield the monodispersed clusters. The combination of these functional units enables the near-room-temperature melt-processing of the materials into targeted geometry by simple molding or printing techniques, which offer possibilities for fluorescent writing inks with outstanding self-healing capacity to physical damage. The intermarriage between metal halide clusters with functional molecules expands the range of practical applications for hybrid metal halide materials.
摘要:
金属卤化物材料最近因其优异的光电性能和结构多样性而引起了越来越多的研究兴趣,但它们所产生的刚性结构使它们在制造过程中变得易碎和可成形性差。在这里,我们通过将溴化铅络合物集成到三正辛基氧化膦(TOPO)基质中来证明热塑性发光混合卤化铅固体。杂化材料的构造可以通过简单的溶解过程来实现,其中TOPO分子充当溶剂和配体以产生单分散簇。这些功能单元的组合能够通过简单的成型或印刷技术将材料近室温熔融加工成目标几何形状,这为荧光书写油墨提供了对物理损伤具有突出的自我修复能力的可能性。金属卤化物团簇与功能分子之间的结合扩展了杂化金属卤化物材料的实际应用范围。
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