Antimony-based organic-inorganic hybrid metal halide luminescent material and preparation method thereof

CN119613349AActive Publication Date: 2025-03-14UNIV OF SCI & TECH BEIJING
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Patent Information

Application Number
CN202411593079.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-03-14
Estimated Expiration
2044-11-08

AI Technical Summary

Technical Problem

The existing antimony-based organic-inorganic hybrid metal halide luminescent materials have limitations in terms of luminescence efficiency, color purity and preparation cost, and it is difficult to meet the needs of the optoelectronic field.

Method used

By introducing macrocyclic organic cation 2-methylpiperazine as an organic ligand, an organic-inorganic hybrid metal halide luminescent material with strong stability and high luminous intensity is prepared. Its emission belt covers 450-850 nm, the emission peak is around 600-650 nm, and the excitation wavelength range is 250-400 nm.

Benefits of technology

It has achieved improvement in luminous efficiency and optimization of color performance, while reducing production costs, providing a cost-effective new material solution for the optoelectronics field.

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Abstract

The invention provides an antimony-based organic-inorganic hybrid metal halide luminescent material and a preparation method thereof, and is suitable for the photoelectric field. According to the invention, 2-methylpiperazine is used as an organic ligand, a luminescent material with a chemical formula of (C5H14N2) SbCl5 is synthesized, and C5H14N2 represents a cation form of 2-methylpiperazine. The excitation wavelength range of the material is 250-400 nanometers, the emission wavelength of the material covers 450-850 nanometers, and the main emission peak value of the material is about 600-650 nanometers. The preparation method disclosed by the invention has the characteristics of simple process, low cost and suitability for large-scale production. Besides, the luminescent material shows wide excitation and emission bandwidths, has high luminous efficiency, and can be widely applied to manufacturing of luminescent devices and application in the fields of fluorescent powder, spectrum conversion, display illumination and the like.
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Citation Information

Patent Citations

  • Method of preparing organometallic compounds

    CA2727509A1

  • Preparation and application of organic and inorganic heterometal halide

    CN118852055A

Cited By

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    CN120797211A

  • Zero-dimensional organic-inorganic hybrid antimony halides, their preparation methods and applications

    CN122562764A