Synthesis of novel copper sulfide hollow spheres generated from copper (II)-thiourea complex

Xiangying Chen, Zhenghua Wang, Xiong Wang, Rui Zhang, Xinyuan Liu, Wanjuan Lin, Yitai Qian

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146 Scopus citations

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 languageEnglish (US)
Pages (from-to)570-574
Number of pages5
JournalJournal of Crystal Growth
Volume263
Issue number1-4
DOIs
StatePublished - 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

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