磷酸二氢根离子对香豆肼化合物的高选择性荧光增强

张亚男; 杨林林; 周硼; 段春迎

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磷酸二氢根离子对香豆肼化合物的高选择性荧光增强

光谱分析 | 更新时间：2020-08-12

- 磷酸二氢根离子对香豆肼化合物的高选择性荧光增强
- Fluorescent Emission of Coumaric Aldehyde Molecule Enhanced by Dihydrogen Phosphate
- 发光学报 2011年32卷第9期页码：962-967
- 作者机构：
  
  大连理工大学化学系精细化工国家重点实验室,辽宁大连,116024
- 作者简介：
- 基金信息：
  
  国家自然科学基金(20801018)资助项目()
- DOI：
  中图分类号： O482.31
- 收稿日期：2011-03-11，
  
  修回日期：2011-04-25，
  
  网络出版日期：2011-09-22，
  
  纸质出版日期：2011-09-22
- 稿件说明：
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张亚男, 杨林林, 周硼, 段春迎. 磷酸二氢根离子对香豆肼化合物的高选择性荧光增强[J]. 发光学报, 2011,32(9): 962-967

ZHANG Ya-nan, YANG Lin-lin, ZHOU Peng, DUAN Chun-ying. Fluorescent Emission of Coumaric Aldehyde Molecule Enhanced by Dihydrogen Phosphate[J]. Chinese Journal of Luminescence, 2011,32(9): 962-967
张亚男, 杨林林, 周硼, 段春迎. 磷酸二氢根离子对香豆肼化合物的高选择性荧光增强[J]. 发光学报, 2011,32(9): 962-967 DOI：

ZHANG Ya-nan, YANG Lin-lin, ZHOU Peng, DUAN Chun-ying. Fluorescent Emission of Coumaric Aldehyde Molecule Enhanced by Dihydrogen Phosphate[J]. Chinese Journal of Luminescence, 2011,32(9): 962-967 DOI：

摘要

设计合成了荧光探针N

N-二乙基氨基香豆素-3-肼基-2

4-二硝基苯肼(DC)。光谱滴定实验显示

与DC能够以1: 1的化学计量比形成配合物。进一步的实验发现

和相同含量的DC溶液相比

该配合物溶液的相对光致荧光强度显著增强

同时伴有紫外吸收光谱红移

溶液颜色由橙黄色迅速变为紫色。其它阴离子

如 F

、NO

、Cl

、Br

、I

等对DC 溶液的相对荧光强度及紫外吸收光谱没有影响。利用DC对H

具有灵敏选择性的特征

可把N

N-二乙基氨基香豆素-3-肼基-2

4-二硝基苯肼作为荧光探针

借助于荧光光谱和紫外-可见吸收光谱两种手段

实现对H

离子的快速识别。

Abstract

By combining 7-diethylamino-2-oxo-2H-chromene-3-carbohydrazide with 2

4-dinitrophenylhydrazine into one molecule

fluorescent probe (DC) was synthesized for dsetection of H

in acetonitrile. Spectrophotometric titration indicated the formation of a 1:1 complex of H

with DC. With the fluorescence spectra

the apparent red shift of UV absorption and the changes for the solution color from orange yellow to purple were observed as binding DC with H

. The experiment showed that DC was highly selective for H

much more than those anions such as F

and I

. By the exclusive selectivity of DC to H

it was predicted that as a fluorescent probe

and by means of fluorescence and UV-Visible absorption spectrum

can be rapidly identified by a enhanced fluorescence from DC.

关键词

Keywords

references

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