Preparation of fluorescent ceramic nanofibers by electrospinning and heat treatment

Abstract

In this study, the fluorescent ceramic nanofibers were prepared by electrospinning and high-temperature heat treatment Part I, in the preparation of precursor solution, adding an appropriate of Polyvinylpyrrolidone (PVP), and solution (ethanol) to make sure to the concentration of solution in appropriate. By electrospinning to produced nanofibers and by different ways of high temperature heat treatment to created fluorescent ceramic nanofibers. Part II, focus on the control morphology of the electrostatic spinning fibers, changing the collector to collected parallel fibers. Part III, using the special way to collected single electrostatic spinning nanofibers, exploring the morphology and properties of nanofibers. To characterize the nanofibers, the following instruments were used: Atomic force microscopy(AFM), Field Emission Scanning Electron Microscope (FE-SEM), Transmission electron microscopy (TEM), Photoluminescence (PL), and X-ray Diffraction(XRD). The AFM was used to scan the single fluorescent ceramic nanofibers, and 3D Graphics was used to explore the surface morphology of fibers. FE-SEM and TEM were used to explore the morphology and diameter of nanofibers and single nanofiber. The optical properties explored by PL. Finally, using XRD for identification of the atomic and molecular structure of a crystal to compare characteristics of crystallization By electrospinning technique followed by subsequent high-temperature heat treatment, we have successfully prepared fluorescent ceramic nanofibers. Thus, the microstructure and absorption of electrospinning fluorescent ceramic nanofibers were explored, and also their crystalline properties, optical properties and crystal structure were identified.