1 引言
2 结果与讨论
2.1 [Mn(CMPMD)(DMF)] (CMPMD-Mn)的晶体结构
图2 (a) CMPMD-Mn的非对称结构单元(内插图: 金属离子的配位环境); (b) CMPMD配体的配位模式(μ4-η1:η1:η1:η1); (c) 1D链; (d) 沿ac平面无限延伸的2D层; (e) 堆积图Figure 2 (a) Asymmetric unit of CMPMD-Mn (Insert: the coordination environment of metal ions); (b) coordination mode of CMPMD (μ4-η1:η1:η1:η1); (c) 1D chains; (d) 2D layer extending infinitely along the ac plane; (e) Packing diagram |
2.2 粉末X射线衍射仪(PXRD)和热重(TG)分析
2.3 光致变色性能及变色机理研究
图4 (a) CMPMD-Mn的紫外-可见吸收光谱; (b) 光照前后, 单晶样品的EPR谱; (c) CMPMD-Mn的两阶段一级动力学曲线; (d) 800 nm附近CMPMD-Zn和CMPMD-Mn光照前后吸光度的改变量Figure 4 (a) Ultraviolet-visible absorption spectrum of CMPMD-Mn; (b) EPR spectra of single crystal samples before and after light irradiation; (c) The two-stage first-order kinetic curve of CMPMD-Mn; (d) The changes in absorbance of CMPMD-Zn and CMPMD-Mn before and after light irradiation (near 800 nm) |
图5 (a) CMPMD-Mn和CMPMD-Mn-H的PXRD谱; (b) CMPMD-Mn-H的紫外-可见吸收光谱; (c) CMPMD-Mn-H的两阶段一级动力学曲线; (d) CMPMD-Mn和CMPMD-Mn-H的动力学常数对比图Figure 5 (a) The PXRD patterns of CMPMD-Mn and CMPMD-Mn-H; (b) The ultraviolet-visible absorption spectrum of CMPMD-Mn-H; (c) The two-stage first-order kinetic curve of CMPMD-Mn-H; (d) Comparison chart of kinetic constants between CMPMD-Mn and CMPMD-Mn-H |