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A naked-eye, selective and sensitive chemosensor for fluoride ion

Puhui Xie, Fengqi Guo, Weifeng Wang, and Xiyang Liu

College of Sciences, Henan Agricultural University, Zhengzhou, 450002 China

 

E-mail: pxie2007@yahoo.com.cn

Abstract: Effect of the addition of six different anions on the absorption and fluorescence spectra of acridine yellow G (AYG) was examined. Only the F anion could induce a visible color change observable with naked eye and a strong fluorescence quenching with K SV of 8.3 × 104 mol−1 L in CH3CN solutions. Calculated results of the interaction between the F anion and acridine yellow G using the B3LYP/6-31G(d) program showed that the intermolecular charge transfer through the formation of an H-bond between AYG and F is an essential sensor mechanism.

Keywords: fluoride ion - chemosensor - acridine yellow G - hydrogen bonding

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-010-0060-4

 

Chemical Papers 64 (6) 723–728 (2010)

Thursday, September 24, 2020

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