基于三联吡啶衍生物的Fe2+/Fe3+化学比色敏感器

doi:10.7517/j.issn.1674-0475.2009.01.8

影像科学与光化学 ›› 2009, Vol. 27 ›› Issue (1): 8-15.DOI: 10.7517/j.issn.1674-0475.2009.01.8

基于三联吡啶衍生物的Fe²⁺/Fe³⁺化学比色敏感器

王俊^1,2, 徐全清^1,2, 迟绍明^1,2, 张辉淼^1,2, 傅文甫¹

1. 中国科学院, 理化技术研究所, 北京100190;
2. 中国科学院, 研究生院, 北京100049

收稿日期:2008-05-16 修回日期:2008-06-13 出版日期:2009-01-23 发布日期:2009-01-23
通讯作者: 傅文甫,E-mail:fuwf@mail.ipc.ac.cn
基金资助:
国家自然科学基金资助项目(90610034和20671094)

A Highly Sensitive Colorimetric Chemosensor for Iron(Ⅱ) and Iron(Ⅲ) Ions

WANG Jun^1,2, XU Quan-qing^1,2, CHI Shao-ming^1,2, ZHANG Hui-miao^1,2, FU Wen-fu¹

1. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, P. R. China

Received:2008-05-16 Revised:2008-06-13 Online:2009-01-23 Published:2009-01-23

摘要/Abstract

摘要： 合成和表征了一种新的化合物(E)-4’-(4-(2-(2-萘)乙烯基)苯基)-2,2’:6’,2″-三联吡啶L.用Fe²⁺或Fe³⁺来滴定时,L的溶液(三氯甲烷和乙醇的体积比为1:20)颜色分别从无色变成洋红色和橙红色,相应的紫外可见吸收光谱都在374和574 nm出现特征吸收峰.此外,即使存在其它过量金属阳离子时,L对Fe²⁺或Fe³⁺离子仍然表现出很强的敏感性和选择性.另外,还研究了L对Fe²⁺或Fe³⁺离子及两者共同存在时的线性检测浓度范围和最低检测极限(LOD).

关键词: 比色, 化学敏感器, 三联吡啶衍生物, Fe²⁺, Fe³⁺

Abstract: In this work a new compound(E)-4’-(4-(2-(2-naphthalenyl)vinyl)phenyl)-2,2’:6’,2”-terpyridine L was synthesized,characterized and used to recognize iron ions.Upon addition of Fe(II) or Fe(III),the solution(V(CHCl3):V(ethanol)=1:20) of L can show magenta or orange-red color in visible region,respectively.And in the UV-vis spectrum of L in solution there emerge two characteristic peaks at 374 and 574 nm.Furthermore,the response of L to iron ions is highly sensitive and selective even though in the presence of other metal ions.The limit of detection(LOD) and linear concentration range for iron(II)/iron(III) and iron(II+III) were studied,too.

Key words: colorimetry, chemosensor, terpyridine derivative, Fe²⁺, Fe³⁺

中图分类号:

王俊, 徐全清, 迟绍明, 张辉淼, 傅文甫. 基于三联吡啶衍生物的Fe²⁺/Fe³⁺化学比色敏感器[J]. 影像科学与光化学, 2009, 27(1): 8-15.

WANG Jun, XU Quan-qing, CHI Shao-ming, ZHANG Hui-miao, FU Wen-fu. A Highly Sensitive Colorimetric Chemosensor for Iron(Ⅱ) and Iron(Ⅲ) Ions[J]. Imaging Science and Photochemistry, 2009, 27(1): 8-15.

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基于三联吡啶衍生物的Fe²⁺/Fe³⁺化学比色敏感器

A Highly Sensitive Colorimetric Chemosensor for Iron(Ⅱ) and Iron(Ⅲ) Ions

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