期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 267, 期 -, 页码 351-356出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2018.04.056
关键词
Thienyl-containing 1,3-butadiene derivatives; Aggregation-Induced Emission (AIE); Ce ion detection; Turn-On fluorescent response
资金
- National Basic Research Program of China (973 Program) [2013CB834704]
- National Natural Scientific Foundation of China [51673024, 21474009, 51328302]
A single selective and high sensitive sensor for the rapid turn-on detection of Ce ions was successfully prepared. The probe is practically non-luminescent in the solution state but becomes highly emissive as aggregates in poor solvents, demonstrating a phenomenon of aggregation-induced emission (AM). It shows a real-time and time-stable detection of Ce3+ with a detection limit of 2.27 mu mol/L. The interaction mechanism was deducted by DLS analysis, XRD analysis, NMR and FT-IR measurements. Moreover, Ce4+ ions could also be distinguished and detected via the addition of 1,2-propanediol. (C) 2018 Elsevier B.V. All rights reserved.
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