2-dimethylamino terephthalic acid-tetracyano benzene co-crystal, its preparation method and application

The preparation of 2-aminoterephthalate dimethyl ester-tetracyanobenzene eutectic by slow solvent evaporation under low temperature conditions solves the problem of unpredictable luminescence color of molecular solids in the prior art, and achieves high thermal stability and excellent fluorescence performance control of the eutectic. The preparation process is simple and has high crystallinity.

CN118026870BActive Publication Date: 2026-07-24TIANJIN UNIV
View PDF 2 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TIANJIN UNIV
Filing Date
2024-01-04
Publication Date
2026-07-24

Smart Images

  • Figure CN118026870B_ABST
    Figure CN118026870B_ABST
Patent Text Reader

Abstract

The application provides a 2-amino terephthalic acid dimethyl ester-tetracyano benzene eutectic crystal as well as a preparation method and application thereof, the eutectic crystal is of a triclinic system, a space group is a cell parameter is alpha = 95.041 (2) °, beta = 90.337 (2) °, gamma = 97.670 (2) °, and a cell volume is The 2-amino terephthalic acid dimethyl ester-tetracyano benzene eutectic crystal provided by the application increases the solid melting point of the organic compound from 133.39 DEG C to 162.23 DEG C without changing the covalent bond of the compound, enhances the thermal stability, and meanwhile, the fluorescence emission color, the fluorescence lifetime and the quantum yield are obviously changed.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • A green fluorescence luminescent organic compound and a synthetic method thereof

    CN102503856A

  • Eutectic crystal

    CN108101861A