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.

引用

页数：7

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