材料科学
聚对苯二甲酸乙二醇酯
聚乙二醇
结晶
发光
共聚物
PEG比率
结块
聚合物
化学工程
色散(光学)
复合数
量子点
纳米技术
复合材料
光电子学
光学
物理
工程类
经济
财务
作者
Yanqi Wang,Yao Wang,Miaorong Zhang,Liu Jixian,Linjun Huang,Yanxin Wang,Tian Hao,Jie Li,Jianguo Tang
出处
期刊:Nanotechnology
[IOP Publishing]
日期:2021-03-12
卷期号:32 (22): 225706-225706
被引量:1
标识
DOI:10.1088/1361-6528/abd3c9
摘要
Abstract The composite particles composed of quantum dots coated with silica and grafted with copolymer of polyethylene glycol and low molecular weight polyethylene terephthalate (QDs@SiO 2 -PEG-LMPET) are synthesized. The internal QDs provide luminescent performance and combine with SiO 2 to form QDs@SiO 2 with good dispersion to solve the defect that small-sized SiO 2 is prone to agglomerate. The block polymer LMPET-PEG grafted on the surface can make the composite particles better compatible with the PET matrix. In summary, QDs@SiO 2 -PEG-LMPET not only play the same role as SiO 2 to enhance the crystallization performance of PET matrix, but also provide stable luminescence performance, which is multifunctional additive with broad application prospects.
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