制备无毒的ZnGa₂O₄:Bi³⁺荧光材料，其同时具备可调多色荧光、动态光致变色及热致变色的三模式发光性质。我们利用这种类似“变色龙”的荧光特性设计了三种信息安全实施方案，实验互动性强且具有趣味性，有良好的科普实践展示效果，有助于激发学生对化学学科的学习热情，进而帮助青少年体会“美丽化学”的丰富内涵。

本文进行了具有气致变色特性的蒽环基超分子聚合物材料在创新型化学实验中的初探。利用该材料所制备的“变色龙”图案在固态时呈现橙红色荧光，在特定蒸气作用下迅速响应变为黄色或绿色荧光。实验设计涵盖超分子聚合物材料制备、荧光表征以及蒸气响应测试，将超分子化学中的分子识别与刺激响应原理融入实践教学。学生可通过直观的荧光变色现象观察，结合光谱数据解析，深入理解智能材料的结构-性能关系。本研究将学科前沿与基础实验相结合，有效强化学生的综合实验技能和创新能力。

We used pentacarboxylic acid ligand 3, 5-di(2', 4'-dicarboxylphenyl) benzoic acid (H₅L) to synthesize two structural similarity lanthanide-cobalt heteronuclear bimetallic organic frameworks (Ln-Co-MOFs) by hydrothermal method: (C₂H₆NH₂)₅{[Eu₉Co(L)₆(H₂O)₅(OH)₄] ·5DMF}_n (1), (C₂H₆NH₂)₂{[Sm₉Co(L)₆(H₂O)₃Cl] ·5DMF}_n (2). The structures were characterized and the property was tested by single crystal X-ray diffraction, powder X-ray diffraction, thermogravimetry, infrared, fluorescence spectra, and magnetism. The results show that 1 and 2 both belong to the trigonal R3 space group and have novel 3D structures and good thermal stability. Among them, 1 has strong fluorescence properties, which can sensitively identify drug molecules sulfasalazine and organic molecules glutaraldehyde. The detection limits could reach 0.95 and 2.10 μmol·L^-1, respectively. In addition, 1 and 2 were antiferromagnetic at 1 kOe.