Anthracene-based fluorescent probe: Synthesis, characterization, aggregation-induced emission, mechanochromism, and sensing of nitroaromatics in aqueous media
- Authors
- Duraimurugan, Kumaraguru; Harikrishnan, Muniyasamy; Madhavan, Jagannathan; Siva, Ayyanar; Lee, Seung Jun; Theerthagiri, Jayaraman; Choi, Myong Yong
- Issue Date
- Mar-2021
- Publisher
- Academic Press
- Keywords
- Anthracene-based chalcone; Aggregation-induced emission; Sensor; Picric acid; 2,4-Dinitrophenol
- Citation
- Environmental Research, v.194
- Indexed
- SCIE
SCOPUS
- Journal Title
- Environmental Research
- Volume
- 194
- URI
- https://scholarworks.gnu.ac.kr/handle/sw.gnu/4059
- DOI
- 10.1016/j.envres.2021.110741
- ISSN
- 0013-9351
1096-0953
- Abstract
- The sensitive and selective detection of nitroexplosive molecules thorough a simple methodology has received a significant field of research affecting global security and public safety. In the present study, the synthesis of anthracene-based chalcone (S1) was conducted using a simple condensation method. S1 was found to exhibit unique properties, such as aggregation-induced emission in solution and mechanochromic behavior in solid state. A fluorescent aggregate was applied to sense electron-deficient picric acid (PA) and 2,4-dinitrophenol (2,4-DNP) in an aqueous solution. Notably, the developed test strip-based sensor (S1) could be used to effectively detect PA and 2,4-DNP, which were visualized by the naked eye. Photophysical analysis revealed the occurrence of an electron transfer from electron-rich S1 to the electron-deficient nitro compounds, which was confirmed using density functional theory and H-1-nuclear magnetic resonance studies. In addition, the observed results confirmed the simple synthesis of S1 as a promising material for the development of test strip-based sensor devices for the detection of toxic and explosive aromatic nitro molecules.
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