Fabrication and characterization of silver nanostructures conformal coating layer onto electrospun N6 nanofibers with improved physical properties
In this communication, colloidal silver (Ag) nanostructures were synthesized and deposited directly onto electrospun nylon 6 (N6) fibers without using surface modifier in the form of an ultrathin conformal coating layer via a hydrothermal treatment. The morphological, structural, and thermal propert...
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Formato: | Artículos |
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KLUWER ACADEMIC PUBLISHERS
2018
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Materias: | |
Acceso en línea: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84904051418&doi=10.1007%2fs10971-014-3337-1&partnerID=40&md5=a2335f3662583442ff7befd42e854cd4 http://dspace.ucuenca.edu.ec/handle/123456789/22132 |
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Sumario: | In this communication, colloidal silver (Ag) nanostructures were synthesized and deposited directly onto electrospun nylon 6 (N6) fibers without using surface modifier in the form of an ultrathin conformal coating layer via a hydrothermal treatment. The morphological, structural, and thermal properties of the Ag/N6 nanocomposite membranes were analyzed by field-emission scanning electron microscopy (FESEM), X-ray diffraction, X-ray photoelectron spectroscopy, and differential scanning calorimetry (DSC). FESEM imaging showed that the Ag coating on individual N6 nanofibers was continuous, uniform, and compact. A DSC study of the nanocomposites illustrated a strong interfacial adhesion of the Ag layer with N6 nanofiber surfaces via strong hydrogen bonds. A possible mechanism for hydrogen bond formation during the hydrothermal process was proposed. Further, it was found that the transition of the meta-stable ?-form into the thermodynamically more stable ?-form of N6 structure was achieved; therefore, the hydrothermal process did not cause chain degradation. © 2014 Springer Science+Business Media New York. |
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