A New Approach to Fluorescent Chemosensor of Cu2+ Ion

Xiao Jun Hu; Xin Yan Hu; Zhi Zhang

doi:10.4028/www.scientific.net/AMM.513-517.65

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 513-517A New Approach to Fluorescent Chemosensor of Cu2+...

A New Approach to Fluorescent Chemosensor of Cu²⁺ Ion

Abstract:

According to the principle of dynamic quenching a new ON-OFF fluorescent chemosensor for Cu²⁺ ions was designed, this chemosensor was composed of p-tert-butylthiacalix [arene (TCA),sodium dodecyl sulfate (SDS) and perylene through the form of self-assembly in aqueous solution. Addition of Cu²⁺ ions could result in a quenching of the fluorescence emission of perylene inside micelles, which due to intramicellar complex-fluorophore electron-transfer or energy-transfer effects induced by the complexation of TCA with the Cu²⁺ ions.The experimental results indicated that: Under the condition of TCA/perylene was 800/1, SDS concentration was 150mmol/L and pH value above 9, according to the fluorescence quenching ,within a certain range of the concentration of Cu²⁺ion can be linearly determined.

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Periodical:

Applied Mechanics and Materials (Volumes 513-517)

Pages:

65-69

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.513-517.65

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Online since:

February 2014

Authors:

Xiao Jun Hu*, Xin Yan Hu, Zhi Zhang

Keywords:

Chemosensor, Cu²⁺Ions, Fluorescent, Self-Assembly, Thiacalixarene

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