高等学校化学学报 ›› 2011, Vol. 32 ›› Issue (9): 2123.

• 研究论文 • 上一篇    下一篇

半青蓝素修饰汞离子探针的比色传感行为

李园园,陆燕,何松,曾宪顺   

  1. 天津理工大学材料科学与工程学院, 显示材料与光电器件省部共建教育部重点实验室, 天津 300384
  • 收稿日期:2011-03-29 修回日期:2011-06-16 出版日期:2011-09-10 发布日期:2011-08-11
  • 通讯作者: 曾宪顺;何松 E-mail:xshzeng@tjut.edu.cn;hesong@tjut.edu.cn
  • 基金资助:

    国家自然科学基金(批准号: 20972111, 21074093, 21004044)和天津市高等学校科技发展基金(批准号: 20080308)资助.

Novel Hemicyanine Dye as Colorimetric Chemosensor for Hg2+

LI Yuan-Yuan, LU Yan, HE Song*, ZENG Xian-Shun*   

  1. Key Laboratory of Display Materials and Photoelectric Devices, Ministry of Education, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384,   China
  • Received:2011-03-29 Revised:2011-06-16 Online:2011-09-10 Published:2011-08-11
  • Contact: ZENG Xian-Shun;HE Song E-mail:xshzeng@tjut.edu.cn;hesong@tjut.edu.cn
  • Supported by:

    国家自然科学基金(批准号: 20972111, 21074093, 21004044)和天津市高等学校科技发展基金(批准号: 20080308)资助.

摘要: 合成了以半青蓝素为发光基团,分别以Se2N和S2N为结合位点的比色传感器3a和3b,通过紫外-可见光谱研究了它们对各种金属离子的化学传感行为. 结果表明,与含有S原子的主体分子3b相比,含有Se杂原子的主体3a对Hg2+具有较好的识别作用.向主体3a的乙腈水溶液中加入Hg2+后,其吸收光谱在410 nm处出现了一个新的吸收峰,同时溶液颜色由玫瑰红色变为桔黄色. 因此,化合物3a有望成为一种用于检测Hg2+的新型化学传感器.

关键词: 半青蓝素, Hg2+, 化学传感,

Abstract: A novel Hg2+-selective chemosensor 3a with hemicyanine as colorimetric reporting group and NSe2 chelating unit as ion binding site was reported. The chemosensing behavior and the binding ability of 3a with metal ions was investigated by UV-Vis spectrometry. Chemosensor 3a shows specific Hg2+-selectivity in CH3CN/H2O (v/v, 1:1). The addition of Hg2+ made the absorption spectrum of 3a appear a new band around 410 nm. In addition, the color change of 3a-Hg2+ from rose red to light orange allows naked-eye detection of Hg2+.

Key words: Hemicyanine, Hg2+, Chemosensor, selenium

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