CdS/Cyclohexylamine inorganic-organic hybrid semiconductor nanofibers with strong quantum confinement effect.
Inorganic-organic hybrid semiconductor nanofibers of CdS/CHA (CHA = cyclohexylamine) were successfully synthesized by a simple solvothermal method. The fibers obtained had average diameter of 20 nm and length of several micrometers. In these fibers, periodic layer-like sub-nanometer structures with thickness of approximately 3 nm were identified by high-resolution transmission electron microscope (HR-TEM). The absorption of the hybrids exhibited a large blue-shift in contrast to the bulk, which was attributed to strong quantum confinement effect (QCE) induced by internal sub-nanometer structures. Pure hexagonal wurtzite CdS (H-CdS) nanorods were also obtained by extracting the CdS/CHA hybrids with dimethyl formamide (DMF). The rods obtained had average diameter of 20 nm and length of 200 nm. A CdS/CHA/polyvinyl alcohol (PVA) composite film emitting white light was prepared by spin coating.
Fan
Libo
L
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.
Song
Hongwei
H
Zhao
Haifeng
H
Pan
Guohui
G
Liu
Lina
L
Dong
Biao
B
Wang
Fang
F
Bai
Xue
X
Qin
Ruifei
R
Kong
Xianggui
X
Ren
Xinguang
X
D019187:Cadmium Compounds / Q000737:chemistry*; D003514:Cyclohexylamines / Q000737:chemistry*; D049329:Nanostructures / Q000737:chemistry*; D011789:Quantum Theory; D012666:Semiconductors; D013440:Sulfides / Q000737:chemistry*
D019187:Cadmium Compounds; D003514:Cyclohexylamines; D013440:Sulfides; C034939:cadmium sulfide