Self-assembly of CdTe nanocrystals at the water/oil interface by amphiphilic hyperbranched polymers

被引：24
|
作者：
Shi, Yunfeng [1 ]
Tu, Chunlai [1 ]
Zhu, Qi [1 ]
Qian, Huifeng [1 ]
Ren, Jicun [1 ]
Liu, Cuihua [1 ]
Zhu, Xinyuan [1 ]
Yan, Deyue [1 ]
Siu-WaiKong, Eric [2 ]
He, Peng [3 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Res Inst Micro Nanometer Sci & Technol, Shanghai 200240, Peoples R China
[3] N Carolina State Univ, Dept Chem, Raleigh, NC 27695 USA
来源：
NANOTECHNOLOGY | 2008年 / 19卷 / 44期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1088/0957-4484/19/44/445609
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A general strategy for realizing the self-assembly of aqueous CdTe nanocrystals (NCs) at the water/oil interface by means of an amphiphilic core-shell hyperbranched polymer has been proposed. Aqueous CdTe NCs were firstly transferred into the chloroform phase in the presence of palmityl chloride functionalized hyperbranched poly(amidoamine) (HPAMAM-PC), and then self-assembled at the water/ chloroform interface by decreasing the pH value of the aqueous phase or introducing alpha-CDs to the aqueous phase. The resulting CdTe/HPAMAM-PC self-assembly film was characterized by fluorescence microscopy, UV-vis, PL, TEM, EDS, FT-IR, DSC and TGA.
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页数：7
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