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酞菁及其衍生物是一类能在相当宽的紫外町见吸收光谱范围内通过激发态吸收过程限制纳秒激光脉冲强度的理想光限幅材料之一,可以保护人眼、光学仪器、传感器等免受激光损伤。由于酞菁分子结构的灵活性,可以在很大程度上通过结构设计或修饰来调节其光限幅响应能力。对酞菁进行轴向取代修饰能有效地防止材料聚集行为,增强材料的非线性光学和光限幅能力。这类酞菁的纳秒非线性吸收和光限幅行为主要取决于电子吸收谱中位于Q-带和B-带之间的激发态吸收性能。着重介绍了近年来基于可溶性轴向和侧基取代的酞菁及其衍生物的光限幅功能材料研究的最新进展。
Phthalocyanines and their derivatives are one of the ideal optical confinement materials that can limit the nanosecond laser pulse intensity through the excited state absorption process over a fairly wide range of UV-Vis absorption spectra and can protect the human eye, optical instruments, sensors Etc. from laser damage. Due to the flexibility of the molecular structure of phthalocyanine, its light limiting response can be largely tuned through structural design or modification. Phthalocyanine axial substitution modification can effectively prevent the material aggregation behavior, enhance the material’s nonlinear optical and optical limiting ability. The nanosecond nonlinear absorption and optical confinement behaviors of these phthalocyanines mainly depend on the excited state absorption properties in the electron absorption spectrum between the Q-band and the B-band. In this paper, the recent progress in the study of photostability materials of phthalocyanine and its derivatives based on soluble axial and pendant substituents is highlighted.