The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
A Highly Selective and Multisignaling Optical−Electrochemical Sensor for Hg2+ Based on a Phosphorescent Iridium(III) Complex
Abstract
A highly selective phosphorescent chemosensor for Hg 2+ based on the iridium(III) complex Ir(btp) 2 (acac) was realized. Multisignaling changes were observed through UV−vis absorption, phosphorescent emission, and electrochemical measurements. Upon addition of Hg 2+, the obvious spectral blue-shifts in absorption and phosphorescent emission bands were measured for Ir(btp) 2 (acac), which could be observed by the naked eye. Further investigation indicated that the interaction between Hg 2+ and the sulfur of cyclometalated ligands is responsible for the significant variation in optical and electrochemical signals, which was also confirmed by density functional theory (DFT) calculation. It is the charge transfer from the iridium center to cyclometalated ligands that increases the electron density of cyclometalated ligands, which makes the coordination of sulfur to Hg 2+ easier.
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Citations
Cites
The toxicology of mercury—current exposures and clinical manifestations
Clarkson, T. W., Magos, L., & Myers, G. J. (2003) · New England Journal of Medicine · doi:10.1056/nejmra022471 · Cited by 1,766
Cited by
Tools and Tactics for the Optical Detection of Mercuric Ion
Nolan, E. M., & Lippard, S. J. (2008) · Chemical Reviews · doi:10.1021/cr068000q · Cited by 2,345
Density functional theory for transition metals and transition metal chemistry
Cramer, C. J., & Truhlar, D. G. (2009) · Physical Chemistry Chemical Physics · doi:10.1039/b907148b · Cited by 1,648
Phosphorescent chemosensors based on heavy-metal complexes
Zhao, Q., Li, F., & Huang, C. (2010) · Chemical Society Reviews · doi:10.1039/b915340c · Cited by 1,249
Self-citationMetal coordination in photoluminescent sensing
Liu, Z., He, W., & Guo, Z. (2013) · Chemical Society Reviews · doi:10.1039/c2cs35363f · Cited by 800
Recent Developments in the Application of Phosphorescent Iridium(III) Complex Systems
Ulbricht, C., Beyer, B., Friebe, C., Winter, A., & Schubert, U. S. (2009) · Advanced Materials · doi:10.1002/adma.200803537 · Cited by 746
Metadata
- Authors
- Zhao, Q., Cao, T., Li, F., Li, X., Jing, H., Yi, T., & Huang, C.
- Venue
- Organometallics
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-03-09
- Volume
- 26
- Issue
- 8
- Pages
- 2077-2081
- ISSN
- 0276-7333 (ISSN-L)
- 1520-6041
- OpenAlex
- W2022698528
- Cited by
- 196
- References
- 1
- FWCI
- 7.55
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Zhao, Q., Cao, T., Li, F., Li, X., Jing, H., Yi, T., & Huang, C. (2007). A Highly Selective and Multisignaling Optical−Electrochemical Sensor for Hg2+ Based on a Phosphorescent Iridium(III) Complex. Organometallics. https://doi.org/10.1021/om061031r
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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