1,3,5-Triphenylbenzene fluorophore as a selective Cu2+ sensor in aqueous media

Sakan Sirilaksanapong; Mongkol Sukwattanasinitt; Paitoon Rashatasakhon

doi:10.1039/C1CC16148B

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1,3,5-Triphenylbenzene fluorophore as a selective Cu²⁺ sensor in aqueous media†

Sakan Sirilaksanapong,^a Mongkol Sukwattanasinitt^b and Paitoon Rashatasakhon*^b

Author affiliations

* Corresponding authors

^a Program of Petrochemical and Polymer Science, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand

^b Organic Synthesis Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
E-mail: paitoon.r@chula.ac.th
Fax: +66 2 218 7598
Tel: +66 2 218 7620

Abstract

Three water-soluble fluorophores are synthesized from 1,3,5-tris-(4′-iodophenyl)benzene. The compound with salicylate groups exhibits a selective fluorescent quenching by Cu²⁺via a static quenching mechanism. The addition of Triton X-100 improves the quantum efficiency of the fluorophore as well as the detection limit for Cu²⁺ from 6.49 to 0.19 ppb.

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Article information

DOI: https://doi.org/10.1039/C1CC16148B
Article type: Communication
Submitted: 03 Oct 2011
Accepted: 09 Nov 2011
First published: 18 Nov 2011

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Chem. Commun., 2012,48, 293-295

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1,3,5-Triphenylbenzene fluorophore as a selective Cu²⁺ sensor in aqueous media

S. Sirilaksanapong, M. Sukwattanasinitt and P. Rashatasakhon, Chem. Commun., 2012, 48, 293 DOI: 10.1039/C1CC16148B

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