Abstract
Twoapproaches were used to obtain electrospun TiO2 fibres. Firstly,titania nanoparticles (nTiO2)
were included in the spinning solution, and electrospun composite
fibres were produced. Secondly, fluidic titanium compound, tetra-n-butyl
titanate, was added into the spinning solution, and electrospun blend
fibres were obtained. Both fibre samples were calcinated at 500°C for
one hour. Composite precursor fibres containing nTiO2 lost
their coherent structure during calcination, and a disintegrated fibre
shaped assembly of nanoparticles was obtained, which had high surface
area. According to XRD analysis both rutile and anatase forms of TiO2
were present in these structures. Blend precursor fibres containing
titanate, on the other hand, formed coherent, smooth fibres during
calcination. These fibres had similar appearance to their precursor
fibres, but had 32 % smaller diameters. The anatase form of TiO2
was observed in XRD in titanate-based fibres. FTIR analyses indicate
removal of most of the polymer from the structure during the heat
treatment. TiO2 structures can be used in many areas and fibrous structures obtained using titanate as TiO2 precursor can also be beneficial for many applications.
Original language | English |
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Pages (from-to) | 1-11 |
Number of pages | 11 |
Journal | Journal of Modern Textile Science and Engineering |
Volume | 2 |
Issue number | 1 |
Publication status | Published - 2012 |
MoE publication type | A1 Journal article-refereed |
Keywords
- electrospinning
- ceramic nanofibres
- titanium dioxide
- titanate
- calcination