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- W3108093637 abstract "Abstract To get a warm tone luminous fiber with good afterglow performance, a novel bicomponent luminous polyacrylonitrile (PAN) fiber was prepared, in which SrAl2O4 and rhodamine B were spun into core and shell respectively by wet coaxial spinning method. Crystal structure was analyzed based on X-ray diffraction (XRD) and high resolution transmission electron microscopy (HRTEM) measurement. The elements distribution and valence were studied by energy dispersive spectrometer (EDS) and X-ray photoelectron spectroscopy (XPS) test. The morphology and size distribution of phosphor were researched by scanning electron microscopy (SEM) and laser particle size instrument. Photoluminescence (PL) spectroscopy and afterglow intensity were obtained to research the luminous performance of the phosphor and fiber. The fiber can emit green-red mixture light emits for a long time after exposure to ultraviolet-blue light. The light energy absorption and green luminous performance of inner part attributed to Eu2+ ion characteristic electronic transition, meanwhile, long persistent green light can continuously stimulate rhodamine B and thus long lasting warm light obtained. The luminous efficiency of fiber decrease with the increase of rhodamine B content, meanwhile the color shifts to red gradually. Besides, the bicomponent coaxial fiber has a better color purity than traditional luminous fiber." @default.
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- W3108093637 date "2021-03-01" @default.
- W3108093637 modified "2023-09-23" @default.
- W3108093637 title "Preparation and properties research of a warm tone luminous polyacrylonitrile coaxial fiber based on SrAl2O4 phosphor" @default.
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- W3108093637 doi "https://doi.org/10.1016/j.jlumin.2020.117777" @default.
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