[1]盛 扬,李 帅,段宗权,等.Ag-In-Zn-S四元量子点的制备及其表面修饰[J].常州大学学报(自然科学版),2019,31(06):39-45.
　SHENG Yang,LI Shuai,DUAN Zongquan,et al.Synthesis and Surface Modification of Ag-In-Zn-S Quaternary Quantum Dots[J].Journal of Changzhou University(Natural Science Edition),2019,31(06):39-45.
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Ag-In-Zn-S四元量子点的制备及其表面修饰()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第31卷
期数:
2019年06期
页码:
39-45
栏目:
材料科学与工程
出版日期:
2019-11-28

文章信息/Info

Title:
Synthesis and Surface Modification of Ag-In-Zn-S Quaternary Quantum Dots
文章编号:
2095-0411(2019)06-0039-07
作者:
盛 扬; 李 帅; 段宗权; 孙一新; 张 嵘
(常州大学 江苏省环境友好高分子材料重点实验室, 江苏 常州 213164; 常州大学 材料科学与工程学院, 江苏 常州 213164)
Author(s):
SHENG Yang;  LI Shuai;  DUAN Zongquan;  SUN Yixin;  ZHANG Rong
(Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials,Changzhou University,Changzhou 213164,China; School of Materials Science and Engineering, Changzhou University,Changzhou 213164,China)
关键词:
量子点;  荧光;  聚异丁烯马来酸酐;  纳米复合粒子
Keywords:
quantum dots;  fluorescence;  poly(isobutylene-alt-maleic anhydride);  nanocomposite
分类号:
O 613.52
文献标志码:
A
摘要:
采用油相热分解法制备了Ag-In-Zn-S四元量子点(AIZS)。通过改变锌的掺杂量实现了对AIZS量子点荧光波长的调控(从622 nm至545 nm)。然后使用油胺接枝的聚异丁烯马来酸酐(PBMA-g-OAM)对量子点进行了包埋,得到了具有亲水性的荧光纳米复合粒子。使用XRD,EDS和TEM对AIZS量子点的结构及形貌进行了研究分析。使用荧光分光光度计对量子点的荧光发光性能进行了表征。使用FT-IR对两亲性聚合物PBMA-g-OAM的组成进行了分析。使用DLS及SEM对AIZS/PBMA-g-OAM纳米复合粒子的尺寸,溶液稳定性及形貌进行分析。研究结果表明,所制备的AIZS/PBMA-g-OAM纳米复合粒子具有稳定良好的荧光性能,是一种潜在的生物医学荧光标记材料。
Abstract:
Ag-In-Zn-S(AIZS)quaternary quantum dots(QDs)were successfully synthesized via thermal decomposition method. By simply changing the amount of Zn precursor, the emission wavelength of the obtained QDs was tuned from 622 nm to 545 nm. After that, these hydrophobic QDs were subject to phase transfer via encapsulation by olaylamine grafted poly(isobutylene-alt-maleic anhydride)(PBMA-g-OAM). XRD, EDS and TEM were used to characterize the structure of AIZS QDs. Fluorescence spectrometer was used to measure the emission spectra of the QDs. FT-IR was used to confirm the formation of the PBMA-g-OAM amphiphilic copolymer. DLS was used to characterize the hydrodynamic size of AIZS/ PBMA-g-OAM nanospheres. SEM was used to demonstrate the morphology of the obtained AIZS/ PBMA-g-OAM nanocomposite.

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备注/Memo

备注/Memo:
收稿日期:2019-03-13。
基金项目:江苏省自然科学基金青年基金资助项目(BK20160278)。
作者简介:盛扬(1985—),男,江苏常州人,博士,讲师。通信联系人:张嵘(1969—),E-mail: rzhang@cczu.edu.cn
更新日期/Last Update: 2019-12-02