New strategy for the synthesis and characterization of monodisperse Zn7.23Cd2.77S10 nanoparticles

作者：Li Shanying; Jiang Yang^*; Niu Man; Wang Chun; Jie Jiansheng

来源：Journal of Alloys and Compounds, 2009, 481(1-2): 644-648.

DOI：10.1016/j.jallcom.2009.03.066

• Monodisperse nanoparticles
• Zn7.23Cd2.77S10
• Liquid-solid-solution process
• Alloying

Monodisperse Zn7.23Cd2.77S10 nanoparticles with uniform shape and a narrow size distribution were synthesized by a room temperature reaction, followed by a 200 degrees C heat-treatment in an autoclave, using Na-oleate and oleic acid as surfactant and ligand, respectively. This method achieves a complete separation of the nucleation and growth. X-ray diffraction (XRD), transmission electron microscopy (TEM) and high-resolution TEM characterizations showed that the monodisperse nanoparticles had a polycrystalline hexagonal structure with a uniform crystallite size of 20 nm with spike-like morphology and a very rough surface. The photoluminescence (PL) spectra of Zn7.23Cd2.77S10 had blue-shifted with a peak at 485 nm.

• 出版日期2009-7-29
• 单位合肥工业大学; 河南城建学院