dor_id: 4143025

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336.#.#.b: article

336.#.#.3: Artículo de Investigación

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351.#.#.b: Journal of Applied Research and Technology

351.#.#.a: Artículos

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850.#.#.a: Universidad Nacional Autónoma de México

856.4.0.u: https://jart.icat.unam.mx/index.php/jart/article/view/28/27

100.1.#.a: Sarmiento Arellano, J.; Vega, A. K.; Rosendo Andrés, E.; Díaz Becerril, T.; Romano Trujillo, R.; Oliva, A. I.; Cruz, W. De la; Lugo, J. M.; Morales Ruíz, C.; Galeazzi Isasmendi, R.; García Salgado, G.; Nieto, F. G.

524.#.#.a: Sarmiento Arellano, J., et al. (2016). Influence of HCl on the NPs-CdSe synthesis prepared by the colloidal method. Journal of Applied Research and Technology; Vol. 14 Núm. 4. Recuperado de https://repositorio.unam.mx/contenidos/4143025

245.1.0.a: Influence of HCl on the NPs-CdSe synthesis prepared by the colloidal method

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias Aplicadas y Tecnología, UNAM

264.#.0.c: 2016

264.#.1.c: 2016-08-01

653.#.#.a: CdSe; Semiconductor; Colloidal method

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico gabriel.ascanio@icat.unam.mx

884.#.#.k: https://jart.icat.unam.mx/index.php/jart/article/view/28

001.#.#.#: 074.oai:ojs2.localhost:article/28

041.#.7.h: eng

520.3.#.a: Cadmium selenide nanoparticles (NPs-CdSe) were synthesized by colloidal route at room temperature and atmospheric pressure using cadmium chloride (CdCl2·2.5 hydrate) and elemental selenium (Se) as precursors. Sodium borohydride (NaBH4) was used as reducing agent to obtain Se2- ions and an aqueous solution with a NaOH and Penta sodium tripolyphosphate (STPP) was used to protect Cd2+ ions. To remove the by-products generated during the chemical reaction and to promote the precipitation of NPs-CdSe, a cleaning process with an aqueous solution of HCl was performed. The HCl volume was varied from 0.2 to 1.2 ml during the cleaning process to study its effects on CdSe synthesis. The crystalline structure was analyzed by inspection of the high-resolution transmission electron microscope (HR-TEM) and X-ray diffraction (XRD). This analysis showed that crystals of CdSe exhibit a face-centered cubic structure (FCC). The calculated crystallite size is 3.5 nm and increases to 4.5 nm as the HCl volume increases. The morphologies of the products were observed by SEM and TEM techniques. HRTEM images showed that NPs-CdSe synthetized to 0.8 ml are composed of a great number of homogeneous and smooth nanospheres which are not appreciable in SEM but are observable in TEM. By contrast, 0.2 and 1.2 ml HCl samples are comprised of a great deal of rods of compounds of Se mixed with CdSe spheres nanostructures. This work, which did not require the use of surfactants complexes or specials environment, is considered to have advantages over other works.

773.1.#.t: Journal of Applied Research and Technology; Vol. 14 Núm. 4

773.1.#.o: https://jart.icat.unam.mx/index.php/jart

022.#.#.a: ISSN electrónico: 2448-6736; ISSN: 1665-6423

310.#.#.a: Bimestral

264.#.1.b: Instituto de Ciencias Aplicadas y Tecnología, UNAM

doi: https://doi.org/10.22201/icat.16656423.2016.14.4.28

harvesting_date: 2023-11-08 13:10:00.0

856.#.0.q: application/pdf

file_creation_date: 2016-08-12 12:24:18.0

file_modification_date: 2016-08-12 07:12:33.0

file_creator: J. Sarmiento Arellano

file_name: 9eb2f5c4b1fc54f90af9b901c228269045aac7cba5c71f6b4ed0c6f960b60372.pdf

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file_size: 2004389

last_modified: 2024-03-19 14:00:00

license_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es

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Artículo

Influence of HCl on the NPs-CdSe synthesis prepared by the colloidal method

Sarmiento Arellano, J.; Vega, A. K.; Rosendo Andrés, E.; Díaz Becerril, T.; Romano Trujillo, R.; Oliva, A. I.; Cruz, W. De la; Lugo, J. M.; Morales Ruíz, C.; Galeazzi Isasmendi, R.; García Salgado, G.; Nieto, F. G.

Instituto de Ciencias Aplicadas y Tecnología, UNAM, publicado en Journal of Applied Research and Technology, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Sarmiento Arellano, J., et al. (2016). Influence of HCl on the NPs-CdSe synthesis prepared by the colloidal method. Journal of Applied Research and Technology; Vol. 14 Núm. 4. Recuperado de https://repositorio.unam.mx/contenidos/4143025

Descripción del recurso

Autor(es)
Sarmiento Arellano, J.; Vega, A. K.; Rosendo Andrés, E.; Díaz Becerril, T.; Romano Trujillo, R.; Oliva, A. I.; Cruz, W. De la; Lugo, J. M.; Morales Ruíz, C.; Galeazzi Isasmendi, R.; García Salgado, G.; Nieto, F. G.
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Influence of HCl on the NPs-CdSe synthesis prepared by the colloidal method
Fecha
2016-08-01
Resumen
Cadmium selenide nanoparticles (NPs-CdSe) were synthesized by colloidal route at room temperature and atmospheric pressure using cadmium chloride (CdCl2·2.5 hydrate) and elemental selenium (Se) as precursors. Sodium borohydride (NaBH4) was used as reducing agent to obtain Se2- ions and an aqueous solution with a NaOH and Penta sodium tripolyphosphate (STPP) was used to protect Cd2+ ions. To remove the by-products generated during the chemical reaction and to promote the precipitation of NPs-CdSe, a cleaning process with an aqueous solution of HCl was performed. The HCl volume was varied from 0.2 to 1.2 ml during the cleaning process to study its effects on CdSe synthesis. The crystalline structure was analyzed by inspection of the high-resolution transmission electron microscope (HR-TEM) and X-ray diffraction (XRD). This analysis showed that crystals of CdSe exhibit a face-centered cubic structure (FCC). The calculated crystallite size is 3.5 nm and increases to 4.5 nm as the HCl volume increases. The morphologies of the products were observed by SEM and TEM techniques. HRTEM images showed that NPs-CdSe synthetized to 0.8 ml are composed of a great number of homogeneous and smooth nanospheres which are not appreciable in SEM but are observable in TEM. By contrast, 0.2 and 1.2 ml HCl samples are comprised of a great deal of rods of compounds of Se mixed with CdSe spheres nanostructures. This work, which did not require the use of surfactants complexes or specials environment, is considered to have advantages over other works.
Tema
CdSe; Semiconductor; Colloidal method
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

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