有机鎓盐掺杂对稀土铝酸锶夜光纤维光谱蓝移的影响
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摘要
针对稀土铝酸锶夜光纤维发光颜色单一的问题,采用微波煅烧法将具有共轭结构的光引发材料三芳基硫鎓六氟锑酸盐(THFS)和稀土激活的碱土铝酸锶发光材料相结合,以聚丙烯为基材通过熔融共混纺丝法制备出受光激发后在黑暗处可发出蓝色光的功能纤维,探讨原料配比、熔融温度、激发条件等对纤维光谱特性的影响。结果表明:当THFS质量分数大于0. 5%时,纤维的发射光谱开始向短波方向移动,光谱产生蓝移;发光材料质量分数的改变没有对纤维的发射峰造成影响,光谱蓝移效果不明显;随着激发波长的减弱,纤维的发射波长向短波长方向移动,发射峰发生蓝移。
In order to solve single-light color for the rare-earth strontium aluminate luminescent fiber,the blue-light luminesent fiber doped with organic onium salt was prepared by combining photo-initiating material triaryl sulfonium hexafluoroantimonate( THFS) and rare earth-activated alkaline earth strontium aluminate luminescent materials by microwave calcination,and melt blend spinning using PP as matrix.Moreover,the influence of the ratio of the raw materials,melting temperature,excitation conditions and other factors on the spectral performance of the fiber was investigated. The results show that when the content of THFS reaches 0. 5%,the emission spectrum moves toward the shortwave and the spectrum shifts blue. The change of the luminescent material has no effect on the emission peak of the luminescent fiber,and the effect of light blue shift is not obvious. As the excitation wavelength is weakened,the emission wavelength of the luminescent fiber moves toward the short wavelength,and its emission peak produces blue shift.
In order to solve single-light color for the rare-earth strontium aluminate luminescent fiber,the blue-light luminesent fiber doped with organic onium salt was prepared by combining photo-initiating material triaryl sulfonium hexafluoroantimonate( THFS) and rare earth-activated alkaline earth strontium aluminate luminescent materials by microwave calcination,and melt blend spinning using PP as matrix.Moreover,the influence of the ratio of the raw materials,melting temperature,excitation conditions and other factors on the spectral performance of the fiber was investigated. The results show that when the content of THFS reaches 0. 5%,the emission spectrum moves toward the shortwave and the spectrum shifts blue. The change of the luminescent material has no effect on the emission peak of the luminescent fiber,and the effect of light blue shift is not obvious. As the excitation wavelength is weakened,the emission wavelength of the luminescent fiber moves toward the short wavelength,and its emission peak produces blue shift.
引文
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[3] WEI X,FAN J,ZHOU X,et al. Study on Sr2MgSi2O7:Eu2+,Dy3+long-afterglow luminescent materials via solhydrothermal synthesis[J]. Transactions of the Indian Ceramic Society,2017,76(1):50-55.
[4]李婧,朱亚楠,葛明桥,等.绣花商标用夜光纤维的光效对比分析[J].纺织学报,2015,36(1):77-80.LI Jing,ZHU Ya'nan,GE Mingqiao,et al. Comparative analysis on lighting for embroidery efficiency of luminous fibers trademark[J]. Journals of Textile Resedrch,2015,36(1):77-80.
[5]李婧,葛明桥.蓄能型夜光机绣织物的余辉亮度研究[J].化工新型材料,2015,43(9):150-152.LI Jing,GE Mingqiao. Study on afterglow brightness of accumulating luminous computer-embroidery fabric[J].New Chemical Materials,2015,43(9):150-152.
[6] LI J,CHEN Z,GE M. Computer-aided design of luminous fiber embroidered fabric and characterization of afterglow performance[J]. Textile Research Journal,2016,86(11):1162-1170.
[7]陈云,邵亚,范丽娟.共轭高分子材料荧光颜色的调节机理及方法[J].化学进展,2014,26(11):1801-1810.CHEN Yun, SHAO Ya, FAN Lijuan. Regulating mechanism and methods of conjugated polymer fluorescent color[J]. Progress in Chemical, 2014,26(11):1801-1810.
[8] FAN G,XIAO G,ZHANG Z,et al. Modification of optical properties of Sr Al2O4:Eu2+,Dy3+phosphor by terbium doping[J]. Journal of the Chinese Ceramic Society,2012,40(1):85-89.
[9] HUANG S,TENG F,XU Z. Electrooptical properties of nanoscale and bulk Sr Al2O4:Eu,Dy[J]. Spectroscopy and Spectral Analysis,2009,29(12):3220-3222.
[10] LALEVEE J,BLANCHARD N,TEHFE M A,et al.Efficient dual radical/cationic photoinitiator under visible light:a new concept[J]. Polymer Chemistry,2011,2(9):1986-1991.
[11] CRIVEll O J V. The discovery and development of onium salt cationic photoinitiators[J]. Journal of Polymer Science Part A Polymer Chemistry,1999,37(23):4241-4254.
[12] LI J,CHEN Z,GE M Q. Researches on preparation and luminescent properties of chromatic rare-earth fiber based on Sr Al2O4:Eu2+,Dy3+[J]. Journal of Optoelectronics and Advanced Materials,2016,18(3/4):288-293.