Synthesis and characterization of NaYF4:Yb, Er up-conversion phosphors/poly(vinyl alcohol) composite fluorescent films

被引：27
|
作者：
Tan, Haihu [1 ,2 ]
Xie, Shaowen [1 ,2 ]
Li, Na [2 ]
Tong, Chao [1 ]
Xu, Lijian [2 ]
Xu, Jianxiong [1 ,2 ]
Zhang, Changfan [3 ]
机构：
[1] Hunan Univ Technol, Coll Packaging & Mat Engn, Zhuzhou 412007, Peoples R China
[2] Hunan Univ Technol, Coll Life Sci & Chem, Hunan Key Lab Biomed Nanomat & Devices, Zhuzhou 412007, Peoples R China
[3] Hunan Univ Technol, Coll Elect & Informat Engn, Zhuzhou 412007, Peoples R China
来源：
MATERIALS EXPRESS | 2018年 / 8卷 / 02期
基金：
美国国家科学基金会;
关键词：
Composite Fluorescent Film; Up-Conversion Phosphors; Poly(vinyl alcohol); Anti-Counterfeiting Packaging; POLY(VINYL ALCOHOL); QUANTUM DOTS; ELECTROCATALYTIC ACTIVITY; LUMINESCENCE PROPERTIES; CARBON DOTS; NANOPARTICLES; EMISSION; RED; NANOCOMPOSITES; INFORMATION;
D O I：
10.1166/mex.2018.1420
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Luminescent polymer composite films were prepared by aqueous solution casting method employing poly(vinyl alcohol) (PVA) as a matrix polymer and NaYF4:Yb, Er up-conversion phosphors (UCPs) as the filler. A series of luminescent UCP/PVA composite films were obtained by varying the amount of the UCP filler. The effects of UCP incorporation on the structure, morphology, thermal stability and optical properties were also examined. The well-dispersed UCPs in the polymer matrix enhanced the thermal stability of composite films due to hydrogen bonding between the PVA and UCPs. Besides, the incorporation of UCPs did not greatly decrease the transparency of films but imparted fluorescent properties to the polymer matrix. The fabricated UCP/PVA composite films exhibited strong up-conversion photoluminescence upon the 980 nm laser excitation. The UCP/PVA composite fluorescent films may have promising application in anti-counterfeiting packaging and in other optics related fields.
引用
收藏
页码：141 / 148
页数：8
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