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2D Information Security System Based on Polyurethane Inverse Photonic Glass Structure.

Zhenzhi Wang1, Fantao Meng1, Miao Kong1

  • 1State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, 116024, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)
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PubMed
Summary

A novel 2D information security technology uses polyurethane optical devices with inverse photonic glass structure (PU-IPG). This system offers advanced decryption and anti-counterfeiting features, enhancing data security.

Keywords:
2D information security systemsnoniridescent structural colorphotonic glasspolyurethane material

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Area of Science:

  • Materials Science
  • Optics
  • Information Security

Background:

  • Information security is a critical global challenge, driving demand for innovative encryption and storage solutions.
  • Current security technologies often rely on complex encryption algorithms and physical storage limitations.

Purpose of the Study:

  • To introduce a new 2D information security technology utilizing polyurethane optical devices with an inverse photonic glass structure (PU-IPG).
  • To develop a system with both decryption and anti-counterfeiting capabilities based on structural color.
  • To demonstrate a scalable and cost-effective method for creating advanced optical security devices.

Main Methods:

  • Fabrication of PU-IPG optical devices using a spraying method for large-area template creation.
  • Exploitation of solvent-induced swelling, plasticizing effects, and capillary forces for micro/nanostructure deformation.
  • Integration of structural color display for decryption and structural color transformation for anti-counterfeiting.

Main Results:

  • Successful construction of a 2D information security system with dual decryption and anti-counterfeiting modules.
  • Demonstration of large-area multicolor output capability for information display.
  • PU-IPG devices exhibit excellent mechanical properties, cycle stability, environmental friendliness, and low cost.

Conclusions:

  • The developed PU-IPG optical devices offer a promising approach for advanced information security applications.
  • The preparation strategy is scalable, cost-effective, and suitable for large-area photonic glass template fabrication.
  • This technology significantly enhances information capacity and security through structural color manipulation.