席夫碱共价有机框架的合成及对I^(‒)的识别  

Synthesis of Schiff-based Covalent Organic Framework and Its Recognition of I^(‒)

作　　者：王迪[1] 钟克利[1] 汤立军[1] 侯淑华[1] 吕春欣[2] WANG Di;ZHONG Keli;TANG Lijun;HOU Shuhua;LYU Chunxin(College of Chemistry and Materials Engineering,Bohai University,Jinzhou 121013,China;College of Biological,Chemical Sciences and Engineering,Jiaxing University,Jiaxing 314001,China)

机构地区：[1]渤海大学化学与材料工程学院,锦州121013 [2]嘉兴学院生物与化学工程学院,嘉兴314001

出　　处：《高等学校化学学报》2022年第10期1-8,共8页Chemical Journal of Chinese Universities

基　　金：国家自然科学基金(批准号:22005038,21878023);辽宁省自然科学基金(批准号:2021-MS-314,2020-MS-289)资助

摘　　要：设计合成了一种新型共价有机框架类荧光探针TpPa-COOH COF,该探针在THF/H2O(体积比1∶1)混合溶液中能够高选择性识别I^(‒).向体系中加入I^(‒)后,溶液由浅红色变为黄色,317 nm处荧光强度明显降低.该探针具有良好的选择性,抗干扰能力强,检出限为0.028μmol/L,pH适用范围广(1~13),具有良好的应用前景.A new type of covalent organic framework fluorescent probe,TpPa-COOH COF,is designed and synthesized.The probe can highly selectively recognize I^(‒)in a solution of THF/H_(2)O(volume ratio of 1∶1).The color of the solution changed from light red to yellow after adding I^(‒)to the probe solution which can be observed with the naked eye,and the fluorescence intensity is significantly reduced at 317 nm.The probe has a high selectivity with a detection limit of 0.028μmol/L,and the pH range is wide(1~13),which provids a good application prospect in I^(‒)detection.

关 键 词：共价有机框架 荧光探针 碘离子 裸眼识别 

分 类 号：O657.3[理学—分析化学]