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Preparation of ordered Ag@Au hybrid nanotubes arrays and their fluorescence enhancement of poly(3-hexylthiophene)
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Abstract
The ordered silver nanowires (Ag NWs) were assembled by three-phase interface method and the ordered Ag@Au hybrid nanotubes were successfully prepared by the galvanic replacement reaction between HAuCl4 solution and the ordered Ag NWs. Field emission scanning electron microscope (FESEM) and transmission electron microscope (TEM) were employed to analyze the morphology of the ordered Ag NWs and Ag@Au nanotubes, and the influence of reaction time in displacement reaction. Fluorescence and laser-Raman properties of conjugated polymerpoly(3-hexylthiophene) (P3HT) were analyzed on various ordered Ag@Au nanotubes on the fluorescence. The results showed that the Au particle grew on ordered Ag@Au hybrid nanotubes with the reaction time going. The fluorescence properties of P3HT films are improved on various ordered Ag@Au hybrid nanotubes compared with those on bare silicon substrate, but the fluorescence intensity of P3HT films on the ordered hybrid nanowires decreases as the galvanic displacement process.
Title: Preparation of ordered Ag@Au hybrid nanotubes arrays and their fluorescence enhancement of poly(3-hexylthiophene)
Description:
Abstract
The ordered silver nanowires (Ag NWs) were assembled by three-phase interface method and the ordered Ag@Au hybrid nanotubes were successfully prepared by the galvanic replacement reaction between HAuCl4 solution and the ordered Ag NWs.
Field emission scanning electron microscope (FESEM) and transmission electron microscope (TEM) were employed to analyze the morphology of the ordered Ag NWs and Ag@Au nanotubes, and the influence of reaction time in displacement reaction.
Fluorescence and laser-Raman properties of conjugated polymerpoly(3-hexylthiophene) (P3HT) were analyzed on various ordered Ag@Au nanotubes on the fluorescence.
The results showed that the Au particle grew on ordered Ag@Au hybrid nanotubes with the reaction time going.
The fluorescence properties of P3HT films are improved on various ordered Ag@Au hybrid nanotubes compared with those on bare silicon substrate, but the fluorescence intensity of P3HT films on the ordered hybrid nanowires decreases as the galvanic displacement process.
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