Department of Chemistry
A highly selective and non-reaction based chemosensor for the detection of Hg2+ ions using a luminescent iridium(III) complex
We report herein a novel luminescent iridium(III) complex with two hydrophobic carbon chains as a non-reaction based chemosensor for the detection of Hg2+ ions in aqueous solution (<0.002% of organic solvent attributed to the probe solution). Upon the addition of Hg2+ ions, the emission intensity of the complex was significantly enhanced and this change could be monitored by the naked eye under UV irradiation. The iridium(III) complex shows high specificity for Hg2+ ions over eighteen other cations. The system is capable of detecting micromolar levels of Hg2+ ions, which is within the range of many chemical systems. © 2013 Chan, et al.
Source Publication Title
Public Library of Science
Link to Publisher's Edition
Chan, Daniel Shiu-Hin, Wai-Chung Fu, Modi Wang, Li-Juan Liu, Chung-Hang Leung, and Dik-Lung Ma. "A highly selective and non-reaction based chemosensor for the detection of Hg2+ ions using a luminescent iridium(III) complex." PLoS ONE 8.3 (2013).