期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 8, 期 7, 页码 3651-3657出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ta13776a
关键词
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资金
- National Natural Science Foundation of China [51673084]
- Jilin Province-University Cooperative Construction Project - Special Funds for New Materials [SXGJSF2017-3]
- Jilin University Talents Cultivation Program
A dicarboxylatopillar[5]arene (DCP5)-based coordination polymer, namely DCP5-EuxTby, with color-tunable emission and capable of nitroaromatic pollutant detection, has been designed and fabricated via a typical metal-ligand coordination approach. Due to its rigid skeleton and electron-rich cavity, DCP5 plays an important role in this multi-color framework, not only as a linker but also as a blue-color fluorescence donor. Intriguingly, the fluorescent color of DCP5-EuxTby can be tuned from green to red simply by mediating the molar ratio of Eu3+ : Tb3+ in the functional system. More importantly, a white-color emitting system, that is, DCP5-Eu1Tb3, is discovered when the ratio of Eu3+ : Tb3+ is 1 : 3, and the white-light emissive DCP5-Eu1Tb3 exhibits good detection performance toward nitroaromatic pollutants in a wide application field. We envision that this work will open a new avenue for the exploration of synthetic macrocycle-based new materials in the construction of new fluorescent sensors and detectors for environmental sustainability and bio-related fields.
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