Journal
CHEMICAL COMMUNICATIONS
Volume 48, Issue 2, Pages 293-295Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc16148b
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Funding
- National Nanotechnology Centre [P-11-00-00370, NN-B-22-FN9-10-52-06]
- Centre for Petroleum, Petrochemicals and Advanced Materials, Chulalongkorn University
- Thai Government [TKK2555, SP2]
- National Research University [AM 1006A]
- Chulalongkorn University
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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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