Preparation and characterization of a Cu2+ chemosensor based on fluorescent self-assembled sandwich bilayers

被引：9
|
作者：
Liu, Bin [1 ]
Sun, Xiangying [1 ]
He, Fei [1 ]
机构：
[1] Huaqiao Univ, Coll Mat Sci & Engn, Quangzhou 362021, Peoples R China
来源：
THIN SOLID FILMS | 2008年 / 516卷 / 08期
基金：
中国国家自然科学基金;
关键词：
self-assembled bilayers; fluorescence sensor; copper; quartz; gold nanoparticles;
D O I：
10.1016/j.tsf.2007.07.154
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fluorescent reagent sodium 1-naphthylamine diacetate was assembled onto quartz wafer surface via its electrostatic interaction with cysteine that was directly assembled on gold nanoparticles adsorbed at quartz surface. Formation of the self-assembled bilayers was confirmed and primarily characterized by absorption and fluorescence spectra. Strong fluorescence was observed from the quartz surface and was found highly efficiently quenched by Cu2+ that allowed for a highly sensitive detection of Cu2+. (C) 2007 Published by Elsevier B.V.
引用
收藏
页码：2213 / 2217
页数：5
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