Fabrication and characteristic of delafossite (cas 12013-12-6)-type CuFeO2 nanofibers by electrospinning method

Add time:07/26/2019    Source:sciencedirect.com

CuFeO2 delafossite type nano fibers were fabricated by electrospinning. This experiment explored the effects of annealing temperature, precursor concentration, and ambient annealing on the fiber structure. The results of X-ray diffraction studies (XRD) and field emission scanning electronic microscopy (FESEM) indicated that a pure phase delafossite-type CuFeO2 and perfect nanofibers can be synthesized by annealing at 500 °C in air for 10 min and 750 °C in nitrogen for 10 min. The optical properties were measured by UV/VIS spectrometer and the band gap was estimated at 1.4 eV. Furthermore, the specific surface area of the CuFeO2 fibers was 4.33 m2/g, as determined by BET surface area measurements.

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