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Yu, X., Xie, D., Li, Y., Geng, L., Ren, J., Wang, T. and Pang, X. (2017) Photochromic Property of Naphthalimide Derivative: Selective and Visual F^- Recognition by NSS Isomers Both in Solution and in a Self-Assembly Gel. Sensors and Actuators B, 251, 828-835. https://doi.org/10.1016/j.snb.2017.05.132

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• TITLE: Fluoride-Responsive Organogel Based on Hydrazide Derivatives

  AUTHORS: Guanghui Lv, Lirong Lin, Xinyang Chen, Chaoran Chen, Lei Huang, Hong Xin

  KEYWORDS: Organogel, Hydrazine Derivatives, Fluoride Response, Hydrogen Bonding

  JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.8 No.12, December 21, 2020

  ABSTRACT: An organogelator named N-[3-(hydroxy)-4-(dodecyloxy)-benzoyl]-N’ (4’-nitro-benzoyl) hydrazide (D12) was synthesized. It could form stable gels in some of the tested organic solvent. SEM images revealed that the molecules self- assembled into fibrous aggregates in the xerogels. The X-ray diffraction analysis showed that the xerogel exhibited a layered structure. FT-IR studies confirmed that intermolecular hydrogen bonding between C=O and N-H groups was the major driving force for gelation of organic solvents. The gel exhibited gel-sol transition and color change upon addition of F-. An extended conjugated system formed through the phenyl group and a five-membered ring based on intramolecular hydro-gen bonding between the oxygen atom near the deprotonation nitrogen atom and the other NH, which is responsible for the dramatic color change upon addition of F-.