Effecting factors of the emission spectral characteristics of rare-earth strontium aluminate for anti-counterfeiting application

► Rare-earth strontium aluminate was applied to make spectrum-fingerprint fiber. ► Emission spectra of strontium aluminate were studied from anti-counterfeiting angle. ► Calcining temperature, H3BO3, Eu2+ and Dy3+ affected only on the emission intensity. ► Al/Sr ratios influenced not only the intensity but also the wavelength of emission. ► Fiber-forming polymer affected only on the emission intensity of strontium aluminate.