- Title
- A luminescent terbium coordination complex as multifunctional sensing platform
- Creator
- Xu, Zhouqing; He, Xinglei; He, Yaling; Zhao, Xiaolei; Batmunkh, Munkhbayar; Li, Huijun; Wang, Yuan; Cao, Jianliang; Ma, Tianyi
- Relation
- ARC.DE150101306 http://purl.org/au-research/grants/arc/DE150101306
- Relation
- Talanta Vol. 208, Issue 1 February 2020, no. 120363
- Publisher Link
- http://dx.doi.org/10.1016/j.talanta.2019.120363
- Publisher
- Elsevier
- Resource Type
- journal article
- Date
- 2020
- Description
- In this paper, we report the synthesis of a multifunctional fluorescent probe Tb-CP, Tb(HL)(EtOH)2(NO3)2 (HPU-10) (H2L = 2,6-bis-(5-pyridin-4-yl-1H-[1,2,4]triazol-3-yl)- pyridine), and demonstrate that this novel chemosensor has the property of ratiometric detection of Zn2+ and Cd2+. The detection limit of HPU-10 sensing Zn2+ and Cd2+ is 0.319 and 0.965 μM, respectively. The sensing mechanism can be explained by (i) the decomposition of HPU-10 and (ii) the recombination of Zn2+ or Cd2+ with ligand forming 2HL--Zn2+ or 2HL--Cd2+, respectively. Moreover, the fluorescent sensor HPU-10 can detect the nitroaromatic compound 2, 4-DNP via a fluorescence quenching mechanism. The detection limits obtained from linear regression curve plots of 2, 4-DNP is calculated to be 1.69 μM. In addition, the possible use of the probe coated paper for tracing the target analytes has also been presented.
- Subject
- fluorescence; ratiometric sensor; nitroaromatic compound; metal-organic framework
- Identifier
- http://hdl.handle.net/1959.13/1424952
- Identifier
- uon:38173
- Identifier
- ISSN:0039-9140
- Language
- eng
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