Synthesis and spectral properties of starch capped CdS nanoparticles in aqueous solution |
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| Authors: | P Rodriguez N Muñoz-Aguirre E San-Martín Martinez G González de la Cruz SA Tomas O Zelaya Angel |
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| Institution: | 1. Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada-IPN, Legaria 694, Col. Irrigación, 11500 México D.F., Mexico;2. Programa de Ingeniería Molecular del Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152, Col. San Bartolo Atepehuacan, 07730 México D.F., Mexico;3. Departamento de Fisica, CINVESTAV-IPN, Apartado Postal 14-740, 07000 México D.F., Mexico |
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| Abstract: | Synthesis of cadmium sulphide nanoparticles has been carried out in aqueous solution precipitation. Starch added during the synthesis of the nanoparticles resulted in cadmium-rich nanoparticles forming a stable complex with starch. The morphology and crystalline structure of such structures were measured by high-resolution transmission electron microscopy (HRTEM) and X-ray diffraction (XRD), respectively. The grain size of the nanoparticles determined by these techniques was of the order of 5 nm, which correlates well with measurements performed by Raman scattering and photoacoustic spectroscopy. |
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