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Synthesis, Characterization, and Fluorescence Sensor Property of Polyurethane/Ag2S Nanostrips
Shan Wang*, Yi Huang, Jian-she Yue
School of Chemistry and Chemical Engineering of Xianyang Normal University, Xianyang 712000, China
Abstract:
A polyurethane/silver sulfide nanocomposite film was synthesized by a biomineralization sim-ulated method. The effect of the Ag2S nanoparticles on the physical properties of the com-posite was studied by Fourier transform infrared, differential scanning calorimetry (DSC), scanning electron microscopy. The thermal stability of the composite was measured by DSC. The fluorescence emission of the nanocomposite films was found to be very sensitive to Ni(II) ions, with a small amount of Ni(II) ions making the emissions increase dramatically. The films are predicted to have the potential to be developed into excellent sensing films of Ni(II) ions in the water.
Key words:  Polyurethane, Ag2S nanostrip,Fluorescence sensor,Ni(II) ion sensor
FundProject:
聚氨酯/硫化银纳米复合材料的合成及荧光传感性能
王珊*, 黄怡, 岳建设
咸阳师范学院化学与化工学院,咸阳712000
摘要:
通过生物矿化合成了聚氨酯/Ag2S纳米复合薄膜.通过傅里叶变换红外光谱研究、扫描量热法(DSC)、扫描电镜等方法研究了硫化银纳米粒子对复合薄膜物理性质的影响.用DSC 测定了复合材料的热 稳定性.通过对纳米复合材料荧光性能的研究发现薄膜对Ni(II)的存在非常敏感,少量Ni(II)离子的存在使得荧光光谱强度迅速增加.可以预测此复合薄膜可被开发成水溶液中Ni(II)的传感器.
关键词:  聚氨酯,硫化银纳米条,荧光,镍离子传感器
DOI:10.1063/1674-0068/28/cjcp1502023
分类号: