A new method for preparing alumina nanofibers by electrospinning technology
Source abstract
Abstract
A new method for synthesizing alumina (Al 2 O 3 ) nanofibers through the electrospinning method was reported. The spinning solutions of anhydrous aluminium chloride/polyvinylpyrrolidone (AlCl 3 /PVP), which were prepared by the sol-gel process of the mixture of AlCl 3, PVP, ethanol and redistilled water, were electrospun to form AlCl 3 /PVP organic-inorganic hybrid fibers. Alumina nanofibers with average diameters of 100—800 nm were obtained by calcinations of the as-prepared fibers. The fibers were characterized by SEM, TG-DTA, FTIR, XPS and XRD. The results showed that with the increase of the concentration of spinning solution, the diameter of fibers also increased, and that the diameter of fibers decreased with the increase of the applied voltage and calcination temperature. The uncrystalline Al 2 O 3, γ-Al 2 O 3 and α-Al 2 O 3 were obtained after calcinations of about 5 h at 450, 900 and 1100°C, respectively.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Electrospun Nanofibers in Biomedical Applications · Surface Modification and Superhydrophobicity · Advanced Sensor and Energy Harvesting Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Tianjin Polytechnic University, China
Tianjin Polytechnic University, China,
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