One-dimensional CdWO4:Tb3+ nanofibers: Electrospinning fabrication and luminescence.

CdWO 4 :Tb 3+ nanofibers were synthesized by a simple electrospinning process and followed by the calcination. The XRD and FTIR results indicated that the as-prepared samples were amorphous and the calcined samples have the pure monoclinic phase. The SEM and TEM showed that nanofibers comprising of lots of small nanoparticles were obtained after the calcination. The excitation and emission spectra of CdWO 4 :Tb 3+ nanofibers suggested that the energy transfer from WO 4 2− to Tb 3+ occurred. Under the ultraviolet excitation, CdWO 4 :Tb 3+ nanofibers emitted green light centered at 545 nm. [ABSTRACT FROM AUTHOR]