Novel Easy-to-Synthesize Hydrazine Multi-channel Detection and Adsorption Materials

Comprehensive Summary Hydrazine hydrate (DH) is a widely used chemical agent, but it is highly toxic. Thus, the development of low-cost and easy-to-prepare materials for the detection and adsorption of DH is very significant. Herein, a novel and easy-to-prepare supramolecular smart material based on bisquinoline-functionalized naphthalene diimide ( DQ8 ) has been designed and synthesized. In the DQ8 , the synergistic effect between quinoline and naphthalene diimide groups has been employed to improve the selectivity and sensitivity for binding of DH. The DQ8 -based crystalline porous material ( DQ8 -CPM) can simultaneously detect and adsorb DH and produce noticeable fluorescence color changes after adsorption of DH vapor. More significantly, the DQ8 -CPM shows nice recycling performance on DH detection and adsorption. Meanwhile, a smart gel based on DQ8 ( DQ8 -G) shows multi-channel response for DH through color, fluorescence, and state changes. The DQ8 shows high selectivity and sensitivity for DH. The detection limit of DQ8 for DH is 8.6 × 10 –7 mol/L. According to the investigation of the DH binding and response mechanism, the synergistic effect between quinoline and naphthalene diimide groups plays an important role in the DH response process. It's a simple and feasible way to develop materials for detection and adsorption of DH through synergistic effects.