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https://open.uns.ac.rs/handle/123456789/952
Title: | Synthesis of TiO<inf>2</inf> nanofibers by electrospinning using water-soluble Ti-precursor | Authors: | Otieno O. Csáki E. Kéri O. Simon L. Lukács I. Mesaroš-Sečenji (Mészáros Szécsényi), Katalin Szilágyi I. |
Issue Date: | 1-Jan-2019 | Journal: | Journal of Thermal Analysis and Calorimetry | Abstract: | © 2019, The Author(s). A new electrospinning process was developed for preparing TiO2 nanofibers using a water-soluble Ti-precursor, [bis(kappa1O-hydroxo)(bis(kappa2O,O′-lactato)titanium(IV)] commonly known as titanium(IV) bis (ammonium lactato) dihydroxide (TiBALDH). The importance of the study is justified by the fact that Ti-precursors used for electrospinning, sol–gel, hydrothermal and other fiber synthesis processes are mostly non-water soluble. Accordingly, anatase TiO2 nanofibers of diameter between 20 and 140 nm were synthesized by electrospinning and annealing. Polyvinylpyrrolidone (PVP) and different concentrations of TiBALDH were dissolved in a mixture of water, ethyl alcohol and acetic acid to optimize the electrospinning conditions. The thermal decomposition and fragmentation of PVP, TiBALDH and the fibers with 50% mass fraction of TiBALDH were studied by TGA-MS measurements. The fibers were then annealed at 1 °C min−1 until 600 °C. The TiO2 fibers were characterized using SEM–EDX, FTIR and XRD. | URI: | https://open.uns.ac.rs/handle/123456789/952 | ISSN: | 13886150 | DOI: | 10.1007/s10973-019-08398-z |
Appears in Collections: | PMF Publikacije/Publications |
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