新型水溶性萘啶基荧光材料的制备及性能研究

doi:10.7517/j.issn.1674-0475.2008.01.25

影像科学与光化学 ›› 2008, Vol. 26 ›› Issue (1): 25-31.DOI: 10.7517/j.issn.1674-0475.2008.01.25

新型水溶性萘啶基荧光材料的制备及性能研究

李建征¹, 王俊², 迟绍明², 傅文甫^1,2

1. 云南师范大学, 化学化工学院, 云南, 昆明, 650092;
2. 中国科学院, 理化技术研究所, 北京, 100080

收稿日期:2007-06-04 修回日期:2007-07-23 出版日期:2008-01-23 发布日期:2008-01-23
通讯作者: 傅文甫,E-mail:wf_fu@yahoo.com.cn.
基金资助:
国家自然科学基金资助项目(90610034,50463001)

The Synthesis and Study of Novel Water-Soluble PAMN Derivatives as Fluorescent Probe Material

LI Jian-zheng¹, WANG Jun², CHI Shao-ming², FU Wen-fu^1,2

1. College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650092, Yunnan, P. R. China;
2. Technical Institute of Physics and Chemistry, the Chinese Academy of Sciences, Beijing 100080, P. R. China

Received:2007-06-04 Revised:2007-07-23 Online:2008-01-23 Published:2008-01-23

摘要/Abstract

摘要： 本文制备得到一种新型萘啶基的水溶性光致发光聚合物:聚丙烯酸(PAA)-2-苄氨基-7-甲基-1,8-萘啶,PAA₅-PAMN₂(PAMN是2-phenmethy-lamino-7-methyl-1,8-naphthyridine的缩写),经光谱分析和密度泛函理论计算,研究了化合物的结构和组成.这种聚合物在酸性和碱性条件下呈现最大的吸收波长分别为364和342 nm.Zn(OAc)₂的加入致使PAA₅-PAMN₂水溶液的荧光猝灭,而当OAc^-改变为NO₃^-时,在荧光强度不断降低的同时,由于NO₃^-离子的配位使最大发射波长从410 nm蓝移到400 nm.Na⁺+离子对其没有明显的荧光猝灭效应.

关键词: 水溶性聚合物, 1,8萘-啶衍生物, Zn²⁺离子, 光谱

Abstract: A novel water-soluble polymer containing poly acrylic acid and 2-phenmethylamino-7-methyl-1,8-naphthyridine was prepared and its structure was determined by spectroscopic analysis and density functional theory (DFT) calculation.The electronic absorption spectra of the polymer in acid or alkaline water solution show absorption maxima with peaks at 364 and 342 nm,respectively.The addition of Zn (OAc)₂ to the H₂O solution of PAA₅-PAMN₂ results in the quenching of the fluorescence emission centered at 410 nm.However,with Zn (OAc)₂ changed to Zn (NO₃)₂ the emission maximum of PAA₅-PAMN₂ in water solution was blue-shifted to 400 nm but with a concomitant decrease of emission intensity,which is tentatively suggested to originate from Zn²⁺ coordinated to PAA₅-PAMN₂ and NO₃^-.The effect of Na⁺+ ion on emission was not observed.

Key words: water-soluble polymer, 1,8-naphthyridine derivative, Zn²⁺ ion, spectroscopy

中图分类号:

李建征, 王俊, 迟绍明, 傅文甫. 新型水溶性萘啶基荧光材料的制备及性能研究[J]. 影像科学与光化学, 2008, 26(1): 25-31.

LI Jian-zheng, WANG Jun, CHI Shao-ming, FU Wen-fu. The Synthesis and Study of Novel Water-Soluble PAMN Derivatives as Fluorescent Probe Material[J]. Imaging Science and Photochemistry, 2008, 26(1): 25-31.

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新型水溶性萘啶基荧光材料的制备及性能研究

The Synthesis and Study of Novel Water-Soluble PAMN Derivatives as Fluorescent Probe Material

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