화학공학소재연구정보센터
Chemistry Letters, Vol.49, No.1, 64-67, 2020
Multi-response Quinoxaline-based Fluorophores: Solvatochromism, Mechanochromism, and Water Sensoring
Three new D-pi-A type quinoxaline-cored fluorophores were elaborately designed and synthesized. It was found that P-1, P-2, and P-3 (Ps) all presented bathochromic-shifted mechanochromic (MFC) nature upon grinding, accompanied with 30 nm, 8 nm, and 37 nm red-shift, respectively. The DSC and PXRD were recorded to reveal the mechanism of the MFC process. Moreover, P-1 is sensitive to water in tetrahydrofuran (THF), acetonitrile (MeCN) and acetone with a detection limit of 0.12%, 0.0078%, and 0.0110%, respectively. This work provided a rational strategy for developing multi-responsive fluorescence materials.