金属有机框架的选择性化学变色和化学诱导光致变色响应
Selective chemochromic and chemically-induced photochromic response of a metal-organic framework.
作者信息
Li Peng, Sui Qi, Guo Meng-Yue, Yang Shuai-Liang, Bu Ran, Gao En-Qing
机构信息
Shanghai Key Laboratory of Green Chemistry and Chemical Processes College of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P. R. China.
出版信息
Chem Commun (Camb). 2020 Jun 4;56(44):5929-5932. doi: 10.1039/d0cc01627f. Epub 2020 Apr 28.
The Zn(ii) MOF with a tripyridinium-based hexacarboxylate shows direct color change on exposure to small primary amines and UV-assisted color response on exposure to small alcohols. The reversible, group-specific and size-selective chemochromic/chemophotochromic behaviours are ascribed to spontaneous/photoinduced guest-to-host electron transfer within the unique confined space furnished with electron-deficient sites.
具有三吡啶基六羧酸盐的锌（II）金属有机框架在暴露于小分子伯胺时显示出直接的颜色变化，在暴露于小分子醇时显示出紫外光辅助的颜色响应。这种可逆的、基团特异性和尺寸选择性的化学变色/化学光致变色行为归因于在具有缺电子位点的独特受限空间内自发/光诱导的客体到主体的电子转移。
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