Supercharge Your Innovation With Domain-Expert AI Agents!

A kind of colloidal photonic crystal film that does not change color after bending and preparation method of patterned colloidal photonic crystal film

A technology of colloidal photonic crystals and thin films, applied in chemical instruments and methods, crystal growth, single crystal growth, etc., can solve problems such as cracks and flexibility, and achieve high flexibility, stability, deformation avoidance, and excellent durability.

Active Publication Date: 2021-07-09
HARBIN INST OF TECH +1
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems that the existing colloidal photonic crystals present various colors when they are bent, and are prone to cracks and poor flexibility when they are bent, and provide a colloidal photonic crystal film that does not change color when bent and a patterned colloidal photonic crystal film. Preparation method of colloidal photonic crystal film

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of colloidal photonic crystal film that does not change color after bending and preparation method of patterned colloidal photonic crystal film
  • A kind of colloidal photonic crystal film that does not change color after bending and preparation method of patterned colloidal photonic crystal film
  • A kind of colloidal photonic crystal film that does not change color after bending and preparation method of patterned colloidal photonic crystal film

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0047] DETAILED DESCRIPTION OF THE INVENTION He is a method for preparing a colored colored colloidal photonic crystal film to be completed as follows:

[0048] First, prepare silica nanoparticles:

[0049] 1, the solution A or solution B is magnetically stirred to obtain a silica suspension;

[0050] The solution A described in step 1 1 is a mixture of orthosilicate, anhydrous ethanol, 25% to 28% of the pressure-resistant distillation; mixture of 25% to 28% of the mixture of 25% to 28%;

[0051] The solution B described in step 1 1 is a mixture of ammonia water of the decompression distillation of orthosate, anhydrous ethanol and mass fraction of 25% to 28%;

[0052] 2, the silica suspension is centrifuged, remove the supernatant to obtain a precipitated substance; use anhydrous ethanol to clean the precipitated substance to 6 times to 5 times to obtain a precipitated substance after cleaning;

[0053] 3, the cleaned precipitated substance is naturally dried or placed in a blower...

specific Embodiment approach 2

[0069] DETAILED DESCRIPTION OF THE INVENTION Different: The present embodiment differs from the specific embodiment: the decompression distillation of orthosilicate, anhydrous ethanol, and mass fraction of 25% to 28% in the solution A in the step one. The volume ratio of ammonia water and deionized water is 1:20: (1 ~ 2): (1 ~ 2). Other steps are the same as specific embodiments.

specific Embodiment approach 3

[0070] BEST MODE FOR CARRYING OUT THE INVENTION 3: The present embodiment and the specific embodiment one or two of the specific embodiment are: 25% of the decompression distillation of the decompression of the decompression in the solution B described in the step one. The volume ratio of ~ 28% ammonia is 1:20: (1 ~ 5). Other steps are identical to those of the specific embodiments.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention relates to a preparation method of a colloidal photonic crystal film that does not change color when bent and a patterned colloidal photonic crystal film, and relates to a preparation method of a colloidal photonic crystal film. The purpose of the present invention is to solve the problems that the existing colloidal colloidal photonic crystals present various colors when bending, cracks and poor flexibility are easy to occur when bending, and the method: 1. Prepare silica nanoparticles; 2. Prepare photon suspension ; Three, concentrated silica photonic suspension; Four, preparation of colloidal photonic crystal thin film. The method of preparing a patterned colloidal photonic crystal film using a colloidal photonic crystal film that does not change color after bending is to first prepare a curable suspension, and place a plurality of colloidal photonic crystal films that do not change color when bending between two glass slides , and then drop the curable suspension between the two glass slides through the gap between the two glass slides, and solidify. The invention can obtain a colloidal photonic crystal film that does not change color when bent and a patterned colloidal photonic crystal film.

Description

Technical field [0001] The present invention relates to a method of preparing a colloidal photonic crystal film. Background technique [0002] Photonic crystals are a new type of functional material, which is artificial microstructure formed by a medium differential in space, and the concept of photonic crystals is earliered in 1987 by S. John and E.yablonovitch separately. The maximum characteristic of the photonic crystal is that the photon barrel is similar to the modulation of the electron wave function, and the photonic crystal material can be modulated to electromagnetic waves. When the energy of electromagnetic waves fall into the photonic band gap, the electromagnetic wave cannot continue in photoelectric crystal. The spread is spread and reflected. Therefore, photonic crystals have broad prospects in various applications such as optical waveguide, laser, and electronic communications. When the frequency of visible light falls into the photonic crystal band gap, visible l...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C30B5/00C30B29/64
CPCC30B5/00C30B29/64
Inventor 李垚潘梦瑶赵九蓬潘磊徐洪波豆书亮张翔
Owner HARBIN INST OF TECH
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com