The electrospinning method is adopted to prepare utralong PEO/stannic hydroxide composite nanofibers. Tin-oxide nanobelts can be obtained by calcination of the composite nanofibers in an open atmosphere. The nanobelts were characterized by a field emission scanning electron microscope, X-ray diffraction, a transmission electron microscope, a Raman spectromicroscope, and Fourier transform infrared spectroscopy. Microstructural analysis has shown that the nanobelts prepared consist of a continuous network of interconnected SnO2 grains. As a result, the SnO2 nanobelts possess a high surface area and continuous porosity, which may be applied for the fabrication of sensitive gas sensors.
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Document Type: Research Article
Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong (China)
Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong (China)
Department of Physics and Materials Science, City University of Hong Kong, Hong Kong (China)
Publication date: January 1, 2008