title: Oxygen sensing properties of Cu(I) complex/polystyrene composite nanofibers prepared by electrospinning.
abstract: The preparation and oxygen sensing properties of luminescence quenching oxygen sensing materials based on an electrospum composite nanofibers with [Cu(POP)DPPZ]BF4(POP = bis[2-(diphenylphosphino)phenyl]ether; DPPZ = dipyrido[2,3-a:3',2'-c]phenazine) complex embedded within polystyrene (PS) matrix are described in this article. The luminescence of [Cu(POP)DPPZ]BF4 complex within the electrospum nanofibers can be efficiently quenched by oxygen with good sensitivity (I0/I100 = 5.54) and rapid response (3 s), which suggests that the Cu(I) complex/polystyrene composite nanofibers presented in this article can be used for developing oxygen sensors. The downward oxygen sensing Stern-Volmer plots can be attributed to the heterogeneous environment of the Cu(I) luminophore within the nanofibers. The high sensitivity is attributed to the low-dimensional structure of the nanofiber and its large surface area-to-volume ratio, which facilitates oxygen entry and diffusion.
authors.affiliation: Department of Chemistry and Nanochemistry Institute, Jinan University, Guangzhou 510632, P. R. China.
authors.forename: Haoran
authors.initials: H
authors.lastname: Zhang
authors.forename: Bingfu
authors.initials: B
authors.lastname: Lei
authors.forename: Hao
authors.initials: H
authors.lastname: Dong
authors.forename: Yingliang
authors.initials: Y
authors.lastname: Liu
mesh_terms: D003300:Copper / Q000737:chemistry*; D004058:Diffusion; D055664:Electrochemical Techniques / Q000379:methods; D008855:Microscopy, Electron, Scanning; D057139:Nanofibers / Q000737:chemistry*; D036103:Nanotechnology / Q000379:methods; D010100:Oxygen / Q000032:analysis*; D010619:Phenazines / Q000737:chemistry; D011137:Polystyrenes / Q000737:chemistry*; D012680:Sensitivity and Specificity
chemical_list: D010619:Phenazines; D011137:Polystyrenes; C443808:dipyrido(3,2-a-2',3'-c)phenazine; D003300:Copper; D010100:Oxygen