Key Laboratory of Luminescent and Real-Time Analytical Chemistry(Southwest University),Ministry of Education,School of Chemistry and Chemical Engineering,Southwest University,Chongqing 400715,China;
College of Pharmaceutical Science,Soiithiuest Uniuersity,Chongqing 400715,China;
College of Science,Beihua University,Jilin 132013,China;
Cu(II)-based metal-organic gel; Electrostatic interaction; Intraporous diffusion; Dyes removal; Size selective;