Synthesis and Photocatalytic Application of Cage Silver Complex
The ligand(SN-Br)was synthesized from salicylaldehyde,bromoethylamine hydrobromide,and 1-n-butylimidazole,and the cage-like silver complex[Ag4(PPh3)4Br4]was obtained by hydrothemal method.The structure of the target complex was confirmed by X-ray single crystal diffrac-tion,energy spectrum analysis,thermogravimetric analysis and other analytical methods.The structure a-nalysis shows that the target complex is the orthorhombic system and the space group is Pcnb.The unit cell parameters are a=18.208 nm,b=18.490 nm,c=21.117nm,α=β=γ=90°,V=7 109.37 nm3,Z=24.Four Ag atoms and four triple bridged Br atoms are arranged alternately,each Ag atom is coordinated with three Br atoms,and further coordinated with the phosphine ligand to form a cage structure.The pho-tocatalytic performance of the[Ag4(PPh3)4Br4]complex was tested.The degradation effect of the meth-yl orange solution under ultraviolet light is good,and the degradation rate is 96.8％.
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