Host-vip engineering of donor-acceptor(D-A)coordination polymer(CP)materials has been proved to be a promising emission modulation strategy for the fabrication of highly tunable luminophores.Herein,it is shown that ...Host-vip engineering of donor-acceptor(D-A)coordination polymer(CP)materials has been proved to be a promising emission modulation strategy for the fabrication of highly tunable luminophores.Herein,it is shown that the fluorescence modulation of host-vip D-A CPs could be achieved through subtle structural engineering.Two isoreticular CPs,{M_(3)(μ_(3)-F)(BDC)_(3)(TPT)(solvents)}_(n)(M=Cd^(2+)for 1 and Zn^(2+)for 2,TPT=2,4,6-tri(4-pyridyl)-1,3,5-triazine,H_(2)BDC=1,4-benzenedicarboxylic acid),were selected as porous host CPs for investigation.By introducing different polyaromatic hydrocarbon(PAH)vips(anthracene;phenanthrene;pyrene;triphenylene;perylene;and coronene)into the host framework,two series of host-vip D-A CPs(PAHs@1 and PAHs@2)were obtained.Detailed investigation indicates that the subtle structural differences originated from the metal center affected D-A interactions between the PAH and TPT ligand,which result in distinct emission properties of PAHs@1 and PAHs@2.These results suggest the potential of structural modulation in the property tuning of the D-A CPs.展开更多
基金supported by the National Natural Science Foundation of China(22005153)Haihe Laboratory of Sustainable Chemical Transformations(No.YYJC202101).
文摘Host-vip engineering of donor-acceptor(D-A)coordination polymer(CP)materials has been proved to be a promising emission modulation strategy for the fabrication of highly tunable luminophores.Herein,it is shown that the fluorescence modulation of host-vip D-A CPs could be achieved through subtle structural engineering.Two isoreticular CPs,{M_(3)(μ_(3)-F)(BDC)_(3)(TPT)(solvents)}_(n)(M=Cd^(2+)for 1 and Zn^(2+)for 2,TPT=2,4,6-tri(4-pyridyl)-1,3,5-triazine,H_(2)BDC=1,4-benzenedicarboxylic acid),were selected as porous host CPs for investigation.By introducing different polyaromatic hydrocarbon(PAH)vips(anthracene;phenanthrene;pyrene;triphenylene;perylene;and coronene)into the host framework,two series of host-vip D-A CPs(PAHs@1 and PAHs@2)were obtained.Detailed investigation indicates that the subtle structural differences originated from the metal center affected D-A interactions between the PAH and TPT ligand,which result in distinct emission properties of PAHs@1 and PAHs@2.These results suggest the potential of structural modulation in the property tuning of the D-A CPs.
