Acta Phys. -Chim. Sin. ›› 2005, Vol. 21 ›› Issue (02): 113-116.doi: 10.3866/PKU.WHXB20050201

• Communication •     Next Articles

Synthesis of CdSe Nanocrystals by the Pyrolysis Methods

CHEN Shu-Tang; XU Ji-Chuan; WANG Yu-Ping; LI Hu-Lin   

  1. College Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000; Electron Microscopy Laboratory, School of Physics, Peking University, Beijing 100871
  • Received:2004-10-28 Revised:2004-11-30 Published:2005-02-15
  • Contact: LI Hu-Lin

Abstract: Monodisperse surfactant-capped CdSe nanocrystals were prepared by the pyrolysis of ligands of Se and Cd in a hot coordinating solvent. The CdSe nanocrystals synthesized at different reaction times have been characterized by UV-Vis and fluorescence (FL) spectra. Results of UV-Vis and FL spectra showed that the CdSe nanocrystals prepared at the reaction time of 15 min exhibited the largest fluorescence intensity.

Key words: CdSe, Nanocrystals, Surfactants, Fluorescence spectra