Preparation of worm-like SiC nanofibers and their photoluminescence property

The worm-like silicon carbide nanofibers were synthesized by simple carbothermal reduction technology. Low-cost water glass and phenolic resin were used as raw materials. The synthesized samples were characterized by XRD, FESEM, TEM, N-2 adsorption and fluorescence spectrophotometer. The results indicate that the products are worm-like beta-SiC nanofibers with diameters of 20-110 nm. The maximum surface area of synthesized SIC is up to 51.6 m(2)/g. Strong photoluminescence peaks located around 450 nm and 468 nm are observed at room temperature, which can be ascribed to quantum size effects, microstructures and defects within the SiC materials.