Fluorescent high-phase-change coordination compound as well as preparation method and application thereof

Abstract

The invention discloses a fluorescent high-phase-change coordination compound and a preparation method and application thereof. The molecular general formula of the coordination compound is (C6H14NO)2MnCl4, the coordination compound belongs to a triclinic system, the space group is P-1, Mn atoms are all located at the center of a tetracoordinated regular tetrahedral configuration, and the crystal structure is stable. The excitation wavelength of the coordination compound is 545 nm, a strong emission frequency band appears at 450 nm, green light is emitted, and the coordination compound has a fluorescent effect. A pair of endothermic peaks and exothermic peaks exist at 425K and 365K, a pair of reversible phase change is shown, and the phase change temperature reaches up to 425K. The coordination compound is prepared from manganese chloride and N-ethyl morpholine by adopting a direct water synthesis and slow evaporation method. The preparation method is simple and controllable in operation. The coordination compound can be applied to the fields of light emitting diodes, coatings, films, damage detection, building decoration, transportation, military facilities and the like.

Description

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AI Technical Summary

Benefits of technology

Invention relates to coordinated molecules called complexes made up from two different parts: one part consists mostly of atoms or groups connected together through bonds like hydrogen bonding; another part contains all these components except for some ones located on its own surface (called core). These structures are designed such that they have specific properties depending upon their location within them. By adjusting certain parameters during manufacturing processes, we create special types of materials that emit visible colors based on how well our design works.

Problems solved by technology

Technological Problem: Current technology uses expensive processes like laser excitation and activation cooling techniques to produce phosphor emitting materials due to their low efficiency and poor performance compared to traditional methods involving crystal growth. There exists a new type called quantum dots where tiny particles containing heavy metals act as electron donors and emit visible lights upon exposure to specific wavelengths of light. These nanophases allow for precise control over how much energy they use without being consumptive. Additionally, these nanosized structures hold promise because they provide better stability than existing composites made up entirely of different types of elements.

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