College of Chemistry,Chemical Engineering and Materials Science,Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong,Key Laboratory of Molecular and Nano Probes,Ministry of Education,Shandong Normal University,Jinan 250014,P.R.China;
Covalent organic framework(COF); Tetrathiafulvalene; Iodine capture; Physiochemical adsorption;