Indexed by:期刊论文
Date of Publication:2009-08-15
Journal:发光学报
Included Journals:Scopus、PKU、ISTIC、CSCD
Volume:30
Issue:4
Page Number:482-486
ISSN No.:1000-7032
Key Words:SCN-;萘酰亚胺;吸收光谱;荧光光谱;探针
Abstract:设计合成了一个萘酰亚胺类SCN-离子探针NNN,其合成方法简单,条件温和.能够在水溶液中专一识别SCN-离子,检测浓度最小可以达到20 μmol/L,随着SCN-离子的加入,化合物NNN吸收光谱蓝移了60 nm,从黄色变为无色,这种明显的颜色变化,有利于可视观察.通过双波长比例变化,可以实现SCN-离子20 μmol/L～0.8 mmol/L范围内的定量检测.SCN-离子能够猝灭化合物NNN的荧光,荧光强度前后变化明显,荧光量子产率由原来的0.33减弱到0.02.通过荧光光谱和吸收光谱两种手段实现对SCN-的检测,选择性好,灵敏度较高.
Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:State Key Laboratroy of Fine Chemicals
Discipline:Applied Chemistry. Fine Chemicals. Biochemical Engineering
Business Address:West Campus E-204
Contact Information:xiaoyi@dlut.edu.cn 0411-84986251
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