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CHAO SONG1, XIANGTING DONG1,*
PVP/[Ti(SO4)2+SnCl4] composite nanobelts were prepared via electrospinning, and TiO2/SnO2 composite nanobelts were fabricated by calcination of the prepared composite nanobelts. The samples were characterized by thermogravimetric-differential thermal analysis (TG-DTA), X-ray diffractometry (XRD), Fourier transform infrared spectroscopy (FTIR), and Scanning electron microscopy (SEM). XRD results show that the composite nanobelts were amorphous in structure, and pure phase TiO2/SnO2 composite nanobelts were obtained by calcination of the relevant composite nanobelts at 750 ºC for 8 h, the structure of TiO2/SnO2 composite nanobelts was tetragonal with space group P42/mnm. SEM analysis indicates that the surface of as-prepared composite nanobelts was smooth, the widths of the composite fibers were in narrow range, and the mean width was ca. 11.766±1.607 μm, thickness was about 161 nm, and there is no cross-linking among nanobelts. The width of TiO2/SnO2 composite nanobelts was ca. 2.831±0.909 μm, the thickness of TiO2/SnO2 composite nanobelts was about 57.8 nm. TG-DTA analysis reveals that the DMF, organic compounds and inorganic salts in the composite nanobelts were decomposed and volatilized totally, and the weight of the sample kept constant when sintering temperature was above 750 ºC, and the total weight loss percentage was 82%. FTIR analysis manifests that crystalline TiO2/SnO2 composite nanobelts were formed at 750 ºC. The possible formation mechanism of the TiO2/SnO2 composite nanobelts was preliminarily discussed..
TiO2/SnO2, Composite nanobelts, Electrospinning, Formation mechanism.
CHAO SONG, XIANGTING DONG, Synthesis and formation mechanism of TiO2/SnO2 composite nanobelts by electrospinning, Optoelectronics and Advanced Materials - Rapid Communications, 5, 12, December 2011, pp.1296-1300 (2011).
Submitted at: Oct. 22, 2011
Accepted at: Nov. 24, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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