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Effect of temperature during the synthesis process of CdSe nanoparticles using the colloidal technique

Published online by Cambridge University Press:  09 December 2020

R. González-Díaz,
D. Fernández-Sánchez,
P. Rosendo-Francisco and
G. Sánchez-Legorreta
R. González-Díaz*
Affiliation:
Facultad de Ciencias, UAEM, Campus “El Cerrillo, Piedras Blancas”. Carretera Toluca – Ixtlahuaca, Km. 15.5, CP. 50200 Toluca de Lerdo, México.
D. Fernández-Sánchez*
Affiliation:
Facultad de Ciencias, UAEM, Campus “El Cerrillo, Piedras Blancas”. Carretera Toluca – Ixtlahuaca, Km. 15.5, CP. 50200 Toluca de Lerdo, México.
P. Rosendo-Francisco*
Affiliation:
Facultad de Ciencias, UAEM, Campus “El Cerrillo, Piedras Blancas”. Carretera Toluca – Ixtlahuaca, Km. 15.5, CP. 50200 Toluca de Lerdo, México.
G. Sánchez-Legorreta*
Affiliation:
Facultad de Ciencias, UAEM, Campus “El Cerrillo, Piedras Blancas”. Carretera Toluca – Ixtlahuaca, Km. 15.5, CP. 50200 Toluca de Lerdo, México.
*
arax_gd@hotmail.com
bdani.181097@hotmail.com
crosendop@uaemex.mx
ddg.sanchez.legorreta@gmail.com
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Abstract

In this work, the first results of the effects of temperature during the production of Se2- ions and the effect during the interaction of Cd2+ and Se2- ions in the synthesis process of CdSe nanoparticles are presented. The synthesis of CdSe was carried out by the colloidal technique, in the first one we used a temperature of 63 °C to produce Se2- ions and in the second one an interaction temperature of 49 °C. The samples were characterized using a Scanning Electron Microscope (SEM) and a Scanning Tunneling Microscope (STM). From the SEM micrographs it was possible to identify the thorns formation and irregular islands. STM micrographs reveal elliptical shapes with a regular electron cloud profile.

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Articles
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MRS Advances , Volume 5 , Issue 63: International Materials Research Congress XXIX , 2020, pp. 3389 - 3395
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Copyright
Copyright © The Author(s), 2020, published on behalf of Materials Research Society by Cambridge University Press

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