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Structural Color Materials for Optical Anticounterfeiting.

Wei Hong1, Zhongke Yuan1, Xudong Chen1

  • 1Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangdong Engineering Technology Research Center for High-Performance Organic and Polymer Photoelectric Functional Films, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)
|March 19, 2020
PubMed
Summary
This summary is machine-generated.

Structural color materials offer advanced anticounterfeiting solutions beyond traditional methods. Recent breakthroughs enable complex, stimuli-responsive tags for enhanced security and optical encryption.

Keywords:
anticounterfeiting materialsliquid crystalsphotonic crystalsphotonic glassesstructural colors

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Area of Science:

  • Materials Science
  • Optics
  • Security Engineering

Background:

  • Global counterfeiting impacts diverse products, necessitating robust anticounterfeiting measures.
  • Structural color materials provide cost-effective, easily perceivable anticounterfeiting tags.
  • Conventional holographic gratings are vulnerable to imitation, driving innovation.

Purpose of the Study:

  • To review recent advancements in structural color materials for anticounterfeiting.
  • To discuss applications in optical encryption and security engineering.
  • To highlight unique structures and optical properties for advanced security features.

Main Methods:

  • Exploration of stimuli-responsive structural color materials.
  • Analysis of novel fabrication techniques like inkless printing and additive manufacturing.
  • Review of optical aspects for encryption and anticounterfeiting.

Main Results:

  • Development of complex structural color materials with enhanced anticounterfeiting capabilities.
  • Emergence of advanced processing methods for scalable fabrication.
  • Demonstration of unique optical properties for secure encryption.

Conclusions:

  • Structural color materials represent a significant leap in anticounterfeiting technology.
  • Novel materials and fabrication methods are crucial for future security engineering.
  • Continued research is needed to address challenges in optical encryption using these materials.