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Published on: August 10, 2017
Growth kinetics of CdTe colloidal nanocrystals
D Lourençoni Ferreira1, F Oliveira Silva, L Cristina de Souza Viol
1Departamento de Física, ICEx, Universidade Federal de Minas Gerais, C. P. 702, 30123-970, Belo Horizonte, Minas Gerais, Brazil. diegolourenconi@gmail.com
Abstract:
The growth kinetics of CdTe colloidal nanocrystals has been analyzed quantitatively by means of dynamic light scattering and photoluminescence measurements. The growth rates, size distributions, critical radii, and diffusion constants have been calculated in the framework of the Sugimoto theoretical model. A two-step diffusion-controlled growth regime has been proposed for the reported synthesis and a set of relations for the time evolution of the size distribution has been derived and discussed in the sense of the size distribution focusing concept.
