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Growth Kinetics of CdSe Nanoparticles in Lauric Acid

Journal Solid State Phenomena (Volumes 121 - 123)
Volume Nanoscience and Technology
Edited by Chunli BAI, Sishen XIE, Xing ZHU
Pages 139-144
DOI 10.4028/www.scientific.net/SSP.121-123.139
Citation B.F. Pan et al., 2007, Solid State Phenomena, 121-123, 139
Online since March, 2007
Authors B.F. Pan, R. He, F. Gao, L.M. Ao, H.Y. Tian, D.X. Cui
Abstract

A safe, common, and low-cost method was proven to be effective for the synthesis of high quality CdSe nanocrystals. Cd(Ac)2 and Lauric acid were found to be the excellent cadmium precursor and solvent/ligand, respectively. The size and shape of CdSe nanocrystals synthesized by this route can be varied in a controllable manner in a broad size range, from about 2.0 nm to 4 nm. The growth kinetics of CdSe nanocrystals nucleated from TOPSe and cadmium acetate was also investigated in Lauric Acid. The rate constant for steady-state CdSe growth was found to be 4.15×10─8 m s─1 at 260°C.

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