Journal of Photochemistry and Photobiology A: Chemistry 355 (2018) 377–381 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal homepa ge: www.elsev ier.com/locate/jphotochem Invited feature article An imidazole based ESIPT molecule for ﬂuorescent detection of explosives Shao-Yun Yin, Si-Si Sun, Mei Pan , Ling Chen, Zheng Wang, Ya-Jun Hou, Ya-Nan Fan, Hai-Ping Wang, Cheng-Yong Su MOE Laboratory of Bioinorganic and Synthetic Chemistry/State Key Laboratory of Optoelectronic Materials and Technologies, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China A R T I C L E I N F O A B S T R A C T Article history: A bright blue emitting excited-state intramolecular proton transfer (ESIPT) molecule, 2-(4,5-bis(4- Received 22 June 2017 Received in revised form 18 July 2017 chlorophenyl)-1H-imidazol-2-yl)-4-chlorolphenol (HPICl) has been designed and synthesized, whose Accepted 31 July 2017 solvent-dependent PLQY is up to 0.53 in EtOH, and 0.46 as solid state. Fluorescence quenching Available online 2 August 2017 experiments manifest the selective detection of picric acid (PA) and p-nitrophenol (p-NP) over other nitroaromatic explosive compounds, which is closely related with the presence of OH groups on these Dedicated to Prof. Chen-Ho Tung on the two
Journal of Photochemistry and Photobiology A: Chemistry – Elsevier
Published: Mar 15, 2018
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