Fabrication of fluorescent nanotubes basel on layer-by-layer assembly via covalent bond

被引：78

作者：

Tian, Y ^{[1
]}

He, Q ^{[1
]}

Tao, C ^{[1
]}

Li, JB ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Chem, Int Joint Lab, Key Lab Colloid & Interface Sci,Ctr Mol Sci, Beijing 100080, Peoples R China

来源：

LANGMUIR | 2006年 / 22卷 / 01期

关键词：

D O I：

10.1021/la0524768

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A pressure-filter-template approach was employed to prepare fluorescent nanotubes of polyethyleneimine (PEI) and 3,4,9,10-perylenetetracarboxylicdianhydride (PTCDA) through covalent combination in the porous of alumina template based on the layer-by-layer (LbL) assembly technique. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images exhibited a tubular structure of the obtained samples. The wall thickness of the nanotubes is well controlled by varying the assembled cycle number, which is detected by UV-visible spectroscopy. Fourier transform infrared (FT-IR) spectroscopy confirmed the formation of covalent bonds between PEI and PTCDA in nanotubes.

引用

页码：360 / 362

页数：3

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