A facile route for the preparation of silver nanoparticles-graphene oxide nanocomposites and their interactions with pyronin Y dye molecules
Source abstract
Abstract
Abstract We report a facile synthesis of silver nanoparticles-graphene oxide (AgNPs-GO) nanocomposites and their interactions with Pyronin Y (PyY) molecules studied by UV-Vis absorption, steady-state and time-resolved fluorescence spectroscopy techniques in aqueous solution. With this aim, firstly, monodisperse AgNPs with two different sizes (4 and 6 nm) were synthesized by using a surfactant-assisted organic solution phase protocol comprising the consecutive thermal decomposition and reduction of silver (I) acetate. Secondly, AgNPs were anchored into GO nanoflakes via using liquid self-assembly method to prepare AgNPs-GO nanocomposites. The morphology and structure of both colloidal AgNPs and the AgNPs-GO nanocomposites were characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and absorption spectroscopy. Finally, AgNPs-GO nanocomposites were interacted with PyY molecules in aqueous solution and the photophysical properties of PyY were studied by UV-Vis absorption and fluorescence (steady-state and time-resolved) spectroscopy techniques. The spectroscopic results revealed that the photophysical properties of the dye were dramatically changed after its interaction with AgNPs-GO nanocomposites in aqueous solution.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Gold and Silver Nanoparticles Synthesis and Applications · Graphene and Nanomaterials Applications · Nanocluster Synthesis and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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