Luminous properties of skin–core structure new luminous fiber: SrAl2O4:Eu2+,Dy3+-PET/light conversion agent-PET
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SrAl2O4:Eu2+,Dy3+-polyethylene terephthalate (PET)/light conversion agent-PET, which is a new skin–core structure luminous fiber that can emit red light in the darkness, was fabricated by melt spinning with the combination of light conversion agent-PET and SrAl2O4:Eu2+,Dy3+-PET. An energy transfer occurred between SrAl2O4:Eu2+,Dy3+ and light conversion agent, and the light conversion agent emitted red light absorbed from SrAl2O4:Eu2+,Dy3+. To investigate the effect of light conversion agent on the luminous properties of SrAl2O4:Eu2+,Dy3+-PET-light conversion agent, several kinds of luminous fiber that contained different light conversion agents were artificially manufactured and their luminous properties were investigated. Results showed that under near-ultraviolet excitation, the fluorescent color of luminous fiber was primarily located in the orange-red area, with more intense red color than the others.
This work was supported by the National Natural Science Funds (No. 51503082), the Natural Science Foundation of Jiangsu Province of China (No. BK20171140), the Fundamental Research Funds for the Central Universities (Nos. JUSRP51505, JUSRP116020, JUSRP51723B, KYCX18_1820, 2018CYJ002), Key Laboratory of Textile Fiber & Product (Wuhan Textile University), Ministry of Education (FZXW2017001).
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