Liquid photonic crystal color paste, preparation method and its application in rapid construction of large-area photonic crystals

Liquid photonic crystal color paste is prepared by emulsion synthesis and dialysis treatment, which solves the problem of difficulty in large-scale preparation of liquid photonic crystals and realizes rapid and controllable photonic crystal structural coloration. It has bright structural colors and dynamic recovery, and is suitable for large-area photonic crystal construction.

CN115584001BActive Publication Date: 2025-09-16ZHEJIANG SCI-TECH UNIV +1
3 Cites 0 Cited by

Patent Information

Application Number
CN202210987938.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-08-17
Publication Date
2025-09-16
Estimated Expiration
2042-08-17

AI Technical Summary

Technical Problem

Existing technologies make it difficult to quickly and controllably prepare liquid photonic crystals in large quantities, resulting in a long and unstable color-producing process of the photonic crystal structure.

Method used

A high-concentration dispersion of photonic crystal elementary nanospheres was prepared by an emulsion synthesis method, and oligomers and small molecule salts were removed by dialysis. After melanin was added and ultrasonic mixing was performed, a liquid photonic crystal color paste with bright and vivid structural color was formed.

Benefits of technology

The rapid and controllable large-scale preparation of liquid photonic crystals has been achieved, which has bright and vivid structural color effects and dynamic recovery. It is suitable for the rapid construction of large-area photonic crystals and reduces the use of chemical colorants and environmental pollution.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The present invention relates to a liquid photonic crystal color paste, a preparation method, and its application in the rapid construction of large-scale photonic crystals, belonging to the field of photonic crystal structure color generation technology. The present invention solves the problem of difficult controllable large-scale preparation of high-concentration photonic crystal elementary nano-microsphere dispersions. It mainly solves the problem of H generation due to the thermal decomposition of the initiator by adding a pH regulator during the emulsion polymerization process. + , which lowers the pH of the polymerization system and reduces the emulsifying ability of the emulsifier molecules, thereby causing the problem of instability in the polymerization reaction system. A high-concentration photonic crystal elementary nano-microsphere dispersion is obtained by direct synthesis, and then a liquid photonic crystal colorant for the rapid construction of large-area photonic crystals is prepared based on the high-concentration photonic crystal elementary nano-microsphere dispersion.
Need to check novelty before this filing date? Find Prior Art