1 引言
2 结果与讨论
2.1 [Zn2(3-DPNDI)2(p-BDC)(p-HBDC)2]•[3-DPNDI]2 (1)单晶结构
2.2 [Zn(3-DPNDI)(BPC)]•H2O (2)单晶结构
图3 (a)不对称结构单元、(b)二维层(菱形孔道: 2.556 nm×1.734 nm)、(c) 2重穿插二维骨架和(d) 三维超分子网络(内插图: 堆积方式示意图)Figure 3 (a) Asymmetric unit, (b) 2D layer (Rhombic channels: 2.556 nm×1.734 nm), (c) two-fold interpenetrated 2D framework, and (d) 3D supramolecular network (Insert: schematic diagram of stacking) |
2.3 粉末X射线衍射(PXRD)分析
2.4 热重(TG)分析
2.5 光致变色/荧光性能及光响应速率的计算
图4 (a) 1的紫外-可见吸收光谱(内插图: 1的光致变色行为)、(b) 2的紫外-可见吸收光谱(内插图: 2的光致变色行为)、(c) 1和1P的电子顺磁共振谱、(d) 2和2P的电子顺磁共振谱、(e) 1的动力学曲线及(f) 2的动力学曲线Figure 4 (a) Ultraviolet-visible absorption spectrum of 1 (Insert: photochromic behavior of 1), (b) Ultraviolet-visible absorption spectrum of 2 (Insert: photochromic behavior of 2), (c) EPR spectra of 1 and 1P, (d) EPR spectra of 2 and 2P, (e) Kinetic curve of 1, and (f) Kinetic curve of 2 |