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A long-lived luminogenic iridium(III) complex for acetylacetone detection in environmental samples
Wang,Wanhe1,2; Yung,Tsan Ling1; Cheng,Sha Sha3; Chen,Feng3; Liu,Jin Biao1,4; Leung,Chung Hang3; Ma,Dik Lung1
Source PublicationSensors and Actuators, B: Chemical

The wide use of acetylacetone (Acac) in industries is fueling the need for the development of Acac detection methods. However, only a few nanomaterial-based fluorescent probes for Acac have been reported, and these probes either lack turn-on detection capability, and/or aqueous compatibility. Herein, a series of iridium(III) dimers were synthesized in one step and screened as luminescent probes for Acac. The candidate probe 8 exhibited a luminescence enhancement of near 160-fold in the presence of Acac in aqueous solution, with a linear relationship of Acac (0.1–10 μM) and a limit of detection (LOD) of 0.043 μM. Mechanistically, the probe chelated with Acac to form a new luminescent complex. Moreover, the long lifetime of probe 8 allowed its response to Acac to be distinguished from fluorescent interference through time-resolved emission spectroscopy (TRES). Probe 8 further demonstrated its practical application as a luminogenic probe for Acac in real water samples. In summary, because probe 8 is very easily prepared and modified compared with existing Acac luminescence probes, it serves as an ideal starting point to develop next-generation luminogenic probes for monitoring Acac in environmental and biological systems.

KeywordAcetylacetone Iridium(Iii) Dimer Luminogenic Probe Time-resolved Emission Spectroscopy
URLView the original
Indexed BySCIE
WOS Research AreaChemistry ; Instruments & Instrumentation ; Electrochemistry
WOS SubjectChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS IDWOS:000562370000010
Scopus ID2-s2.0-85087300894
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Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLiu,Jin Biao; Leung,Chung Hang; Ma,Dik Lung
Affiliation1.Department of Chemistry,Hong Kong Baptist University,Kowloon,999077,China
2.Institute of Medical Research,Northwestern Polytechnical University,Xi'an,127 West Youyi Road,710072,China
3.State Key Laboratory of Quality Research in Chinese Medicine,Institute of Chinese Medical Sciences,University of Macau,Taipa,999078,China
4.School of Metallurgy and Chemical Engineering,Jiangxi University of Science and Technology,Ganzhou,86 Hongqi Road,China
Corresponding Author AffilicationInstitute of Chinese Medical Sciences
Recommended Citation
GB/T 7714
Wang,Wanhe,Yung,Tsan Ling,Cheng,Sha Sha,et al. A long-lived luminogenic iridium(III) complex for acetylacetone detection in environmental samples[J]. Sensors and Actuators, B: Chemical,2020,321.
APA Wang,Wanhe,Yung,Tsan Ling,Cheng,Sha Sha,Chen,Feng,Liu,Jin Biao,Leung,Chung Hang,&Ma,Dik Lung.(2020).A long-lived luminogenic iridium(III) complex for acetylacetone detection in environmental samples.Sensors and Actuators, B: Chemical,321.
MLA Wang,Wanhe,et al."A long-lived luminogenic iridium(III) complex for acetylacetone detection in environmental samples".Sensors and Actuators, B: Chemical 321(2020).
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