title: Solvothermal synthesis and photoluminescent properties of ZnS/cyclohexylamine: inorganic-organic hybrid semiconductor nanowires.
abstract: An inorganic-organic hybrid semiconductor, ZnS/CHA (CHA = cyclohexylamine) nanocomposites was successfully synthesized via a solvothermal method using CHA as solvent, which yielded uniform and ultralong nanowires with widths of 100-1000 nm and lengths of 5-20 microm. Changing the reaction conditions could alter the morphology and optical properties of the nanocomposites. The periodic layer subnanometer structures were identified by high-resolution transmission electron microscopy (HR-TEM) images, with thickness of approximately 2 nm. The composites exhibited a very large blue-shift in their optical absorption edge as well as an exciton excitation band due to a strong quantum confinement effect caused by the internal subnanometer-scale structures. The pure hexagonal wurtzite ZnS nanowires were also obtained by extracting the ZnS/CHA nanocomposites with dimethyl formamide (DMF). In addition, the luminescent properties of exciton and defect-related transitions in different samples of ZnS/CHA were discussed in detail.
authors.affiliation: Key Laboratory of Excited-State Physics, Changchun Institute of Optics, Fine Mechanics, and Physics, Chinese Academy of Sciences, 16 Eastern South-Lake Road, Changchun 130033, P. R. China. hwsong2005@yahoo.com.cn
authors.forename: Libo
authors.initials: L
authors.lastname: Fan
authors.forename: Hongwei
authors.initials: H
authors.lastname: Song
authors.forename: Haifeng
authors.initials: H
authors.lastname: Zhao
authors.forename: Guohui
authors.initials: G
authors.lastname: Pan
authors.forename: Hongquan
authors.initials: H
authors.lastname: Yu
authors.forename: Xue
authors.initials: X
authors.lastname: Bai
authors.forename: Suwen
authors.initials: S
authors.lastname: Li
authors.forename: Yanqiang
authors.initials: Y
authors.lastname: Lei
authors.forename: Qilin
authors.initials: Q
authors.lastname: Dai
authors.forename: Ruifei
authors.initials: R
authors.lastname: Qin
authors.forename: Tie
authors.initials: T
authors.lastname: Wang
authors.forename: Biao
authors.initials: B
authors.lastname: Dong
authors.forename: Zhuhong
authors.initials: Z
authors.lastname: Zheng
authors.forename: Xinguang
authors.initials: X
authors.lastname: Ren
mesh_terms: D003514:Cyclohexylamines / Q000138:chemical synthesis / Q000737:chemistry*; D049449:Luminescence; D008855:Microscopy, Electron, Scanning; D046529:Microscopy, Electron, Transmission; D053770:Nanowires; D012212:Rheology; D012666:Semiconductors; D017550:Spectroscopy, Fourier Transform Infrared; D013440:Sulfides / Q000138:chemical synthesis / Q000737:chemistry*; D017967:Zinc Compounds / Q000138:chemical synthesis / Q000737:chemistry*
chemical_list: D003514:Cyclohexylamines; D013440:Sulfides; D017967:Zinc Compounds; C031238:zinc sulfide