Abstract
Novel copper sulfide (CuS) hollow spheres composed of nanoflakes were synthesized under hydrothermal conditions by treating copper (II)-thiourea complex from CuSO4 · 5H2O and thiourea at 180°C for 24 h. When increasing the reaction temperature, much smaller hexagonal CuS nanoflakes generated from copper (II)-thiourea complex formed and self-assembled into hollow spheres. The products were characterized by means of X-ray powder diffraction scanning electron microscopy and field emission scanning electron microscopy. It is found that the reaction temperature and copper (II)-thiourea complex are of importance to form hollow spherical superstructures. A possible mechanism is also discussed.
Original language | English (US) |
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Pages (from-to) | 570-574 |
Number of pages | 5 |
Journal | Journal of Crystal Growth |
Volume | 263 |
Issue number | 1-4 |
DOIs | |
State | Published - Mar 1 2004 |
Bibliographical note
Funding Information:The National Natural Science Foundation of P.R. China and the 973 Program are gratefully acknowledged.
Keywords
- A1. Crystal morphology
- A2. Growth from solutions
- A2. Hydrothermal crystal growth
- B1. Inorganic compounds
- B1. Sulfides
- B3. Solar cells