Synthesis and Characterization of Bismuth-Silver Nanoparticles for Electrochemical Sensor Applications
| Autor: | C. van der Horst, Bongiwe Silwana, Emmanuel I. Iwuoha, Vernon Somerset |
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| Rok vydání: | 2014 |
| Předmět: |
Chemistry
Biochemistry (medical) Clinical Biochemistry Inorganic chemistry Nanoparticle Infrared spectroscopy Biochemistry Silver nanoparticle Analytical Chemistry Electrochemical gas sensor Dielectric spectroscopy Nanomaterials symbols.namesake Chemical engineering Electrochemistry symbols Spectroscopy Raman spectroscopy |
| Zdroj: | Analytical Letters. 48:1311-1332 |
| ISSN: | 1532-236X 0003-2719 |
| Popis: | Silver, bismuth, and bismuth-silver nanoparticles were synthesized and characterized by cyclic voltammetry, electrochemical impedance spectroscopy, ultraviolet-visible spectroscopy, infrared spectroscopy, Raman spectroscopy, and transmission electron microscopy to determine the electrochemical, optical, structural, and morphological properties of the nanomaterials. The silver, bismuth, and bismuth-silver nanoparticles were shown to have an average particle size of 10–30 nanometers by microscopy. The electrochemical results showed that the bismuth-silver nanoparticles exhibited good electrocatalytic activity that can be harnessed for sensor construction and related applications. The ultraviolet-visible, infrared, and Raman spectroscopy results confirmed the structural properties of the bismuth-silver nanoparticles. In addition, the microscopy and electron diffraction morphological characterization confirmed the nature of the bismuth-silver nanoparticles. |
| Databáze: | OpenAIRE |
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