Preparation and Characterization of Electrospun Silica Nanofibers from PVP/P123 Blended Polymer Solution

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Abstract:

Silica nanofibers were prepared by electrospinning method using PVP/P123 blend polymer solutions. Here, a triblockcopolymer (Pluronic P123, EO20PO70EO20, Mav = 5800) was used as the structure directing agent and polyvinyl pyrrolidone (PVP) as the fiber template. The samples were characterized by scanning electron microscopy (SEM), Fourier Transform Infrared (FT-IR), X-ray diffraction (XRD), TGA (thermal gravimetric analysis), and Brunauer-Emmett-Teller (BET). It was found that the silica nanofibers synthesized in this work had uniform pore structure with high surface area. An average fiber diameter, average pore diameter, and surface area were about 300 nm, 2.7 nm and 607 m2 g−1. Adsorption equilibrium data of lysozyme on the synthesized silica nanofibers were correlated well with Langmuir equation.

Keywords: ADSORPTION; CHARACTERIZATION; ELECTROSPINNING; PREPARATION; SILICA NANOFIBERS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2008.1203

Publication date: October 1, 2008

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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