A novel hyperbranched conjugated chemosensor with bipyridyl groups as periphery groups(BPY-HPV) was synthesized.BPY-HPV was highly sensitive to metal ions(Cu^(2+),Ni^(2+)) for the strong coordination interac...A novel hyperbranched conjugated chemosensor with bipyridyl groups as periphery groups(BPY-HPV) was synthesized.BPY-HPV was highly sensitive to metal ions(Cu^(2+),Ni^(2+)) for the strong coordination interaction(K_(sv) at the order of 10~7 mol^(-1) L) monitored by fluorescence spectroscopy.Moreover,by hydrogen bonds and charge transfer interaction,BPY-HPV shows strong interaction with 1,1,2,2-tetrachloroethane whatever in CH_2Cl_2(K_(sv)~10~6 mol^(-1) L) or film.展开更多
基金We are grateful to NSFC(No.20773156)the Ministry of Science and Technology of China(No. 2007AA06A408)the "Bairen program" of CAS,and the Shanghai Science and Technology Committee(Nos. 09XD1405000 and 08JC1421900)
文摘A novel hyperbranched conjugated chemosensor with bipyridyl groups as periphery groups(BPY-HPV) was synthesized.BPY-HPV was highly sensitive to metal ions(Cu^(2+),Ni^(2+)) for the strong coordination interaction(K_(sv) at the order of 10~7 mol^(-1) L) monitored by fluorescence spectroscopy.Moreover,by hydrogen bonds and charge transfer interaction,BPY-HPV shows strong interaction with 1,1,2,2-tetrachloroethane whatever in CH_2Cl_2(K_(sv)~10~6 mol^(-1) L) or film.