title: A novel ZnII-sensitive fluorescent chemosensor assembled within aminopropyl-functionalized mesoporous SBA-15.
abstract: A novel Zn2+-sensitive fluorescent chemosensor SC/SBA-15 has been obtained by the self-assembly of 4-chloroaniline-N-salicylidene (SC), a Schiff base ligand, within the channel of silylation-modified SBA-15 without destroying its hexagonally ordered mesoporous structure. The remarkable 200-fold fluorescence enhancement with a large Stokes shift of 180 nm in luminescence emission upon the addition of Zn2+ is attributed to the formation of a coordinate complex of a large rigid conjugate system and Zn2+ ions.
authors.affiliation: School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China.
authors.forename: Ling
authors.initials: L
authors.lastname: Gao
authors.forename: Ying
authors.initials: Y
authors.lastname: Wang
authors.forename: Jianqiang
authors.initials: J
authors.lastname: Wang
authors.forename: Li
authors.initials: L
authors.lastname: Huang
authors.forename: Liying
authors.initials: L
authors.lastname: Shi
authors.forename: Xiaoxing
authors.initials: X
authors.lastname: Fan
authors.forename: Zhigang
authors.initials: Z
authors.lastname: Zou
authors.forename: Tao
authors.initials: T
authors.lastname: Yu
authors.forename: Mei
authors.initials: M
authors.lastname: Zhu
authors.forename: Zhaosheng
authors.initials: Z
authors.lastname: Li
mesh_terms: D000586:Amination; D005456:Fluorescent Dyes / Q000737:chemistry*; D046529:Microscopy, Electron, Transmission; D015394:Molecular Structure; D012680:Sensitivity and Specificity; D012822:Silicon Dioxide / Q000737:chemistry*; D017967:Zinc Compounds / Q000737:chemistry*
chemical_list: D005456:Fluorescent Dyes; C509969:SBA-15; D017967:Zinc Compounds; D012822:Silicon Dioxide