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Citation: CHEN Shu-Tang, XU Ji-Chuan, WANG Yu-Ping, LI Hu-Lin. Synthesis of CdSe Nanocrystals by the Pyrolysis Methods[J]. Acta Physico-Chimica Sinica, ;2005, 21(02): 113-116. doi: 10.3866/PKU.WHXB20050201 shu

Synthesis of CdSe Nanocrystals by the Pyrolysis Methods

1.
College Chemistry and Chemical Engineering, Lanzhou University, Lanzhou　730000;　Electron Microscopy Laboratory, School of Physics, Peking University, Beijing　100871

Received Date: 28 October 2004
Available Online: 15 February 2005

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.
- CdSe; Nanocrystals; Surfactants; Fluorescence spectra
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