Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 177, Issue -, Pages 322-326Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2012.11.009
Keywords
Turn-on fluorescence; 2-Hydroxy-naphthaldeazine; Cyanide anions; Hydrogen bonds; Aggregation-induced emission
Funding
- National Natural Science Foundation of China [21206016]
- Fundamental Research Funds for the Central Universities [DUT11LK13]
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2-Hydroxy-naphthaldeazine (HNA), synthesized readily via one-step condensation from 3-hydroxy-2-naphthaldehyde and hydrazine monohydrate, behaves as turn-on fluorescent sensing of CN-selectively. The sensing mechanism was ascribed to the dual influence of hydrogen bonds and aggregation-induced emission, coming from the interactions of HNA and CN-. The speculation was partially supported by fluorescence emission spectra, UV-vis spectrum, H-1 NMR titration experiments and further particle size analysis. (c) 2012 Elsevier B.V. All rights reserved.
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