Size-Selective Silver-Induced Evolution of Mn3O4−Ag Nanocomposites for Effective Ethanol Sensing
| Autor: | Sujit Kumar Ghosh, Hasimur Rahaman, Susmita Kundu |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Morphology (linguistics)
Nanocomposite Ethanol chemistry.chemical_element 02 engineering and technology General Chemistry Manganese 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Silver nanoparticle 0104 chemical sciences chemistry.chemical_compound chemistry Chemical engineering Size selective 0210 nano-technology Alkaline hydrolysis Silver particles |
| Zdroj: | ChemistrySelect. 2:6991-6999 |
| ISSN: | 2365-6549 |
| DOI: | 10.1002/slct.201700321 |
| Popis: | Trimanganese tetraoxide (Mn3O4)-silver (Ag) nanocomposites have been synthesized by seed-mediated growth of manganese oxide by alkaline hydrolysis of manganese precursor on preformed silver nanoparticles at water/n-heptane interface. The morphology of the nanocomposites has been varied by individual addition of five size-selective silver nanoparticles for the evolution of the manganese components. Varieties of spectroscopic and microscopic techniques have been used to characterize these materials. Now, the efficacy of these as-synthesized nanocomposites has been demonstrated towards the sensing of various hazardous volatile organic compounds, exhibiting high sensitivity to ethanol compared to other components. Moreover, the structure-function relationship of the Mn3O4-Ag nanocomposites upon variation of the size of silver particles towards the sensory activity of ethanol has been elucidated. |
| Databáze: | OpenAIRE |
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