期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 118, 期 13, 页码 7010-7017出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp5001495
关键词
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资金
- National Natural Science Foundation of China [21262015, 21362013, 51373072]
- Project of Jiangxi Advantage Sci-Tech Innovative Team [20113BCB24023]
- Natural Science Foundation of Jiangxi Province [20122BAB213004, 20132BAB203005]
- Jiangxi Education Office [KJLD12035, GJJ12587]
A novel diarylethene with a triazole-linked rhodamine B unit has been synthesized by click chemistry. When triggered by light, proton, and metal ions, the diarylethene can be used as a fluorescence switch, leading to a multiaddressable system. The diarylethene shows sequence-dependent responses through efficient interaction of the specific triazole-linked rhodamine B unit with proton and metal ions. Furthermore, the diarylethene can serve as a naked-eye chemosensor for highly selective recognition of different metal ions in different solvent systems. The diarylethene was highly selective toward Al3+ with remarkable fluorescence change from dark to yellow in acetonitrile, while it selectively recognized Cu2+ with significant fluorescence change from dark to bright yellow in the mixture of acetonitrile and water (v/v = 4/6). Finally, a logic circuit was constructed with the unimolecular platform by using the combinational stimuli of light and chemical species as inputs and the fluorescence intensity at 595 nm as output.
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