Breakthrough in Information and Data Encoding and Encryption Research

Strategic Insights -

Chinese researchers have made a significant discovery in the field of Information Technology, specifically in the realm of Information and Data Encoding and Encryption. According to a recent study, the team has developed a new material, (Rac-MPZ)CuI, which exhibits excellent luminescence efficiency and low toxicity, making it a promising candidate for applications in radiation detection and anticounterfeiting.

Key Takeaways:

  • The new material, (Rac-MPZ)CuI, is a hybrid copper(I)-based halide with a zero-dimensional crystal structure, which is different from the two-dimensional structure of chiral (R/S-MPZ)CuI.
  • (Rac-MPZ)CuI exhibits excitation-dependent cyan and red emissions at room temperature (298 K), with a photoluminescence quantum yield of the cyan emission peak approaching 90%.
  • The material has a light yield of up to 34,500 photons/MeV and shows excellent X-ray absorption and responsivity.
  • X-ray imaging screens developed with (Rac-MPZ)CuI have an excellent resolution of 10 lp/mm, making them suitable for practical applications as scintillators.
  • The unique properties of (Rac-MPZ)CuI, including excitation-dependent dual-color emission and temperature-dependent thermochromicity, have excellent potential in anticounterfeiting and information encryption.
  • The study has also provided new prospects for developing multifield applications of copper(I)-based halides.

Statistics:

  • 90% photoluminescence quantum yield of the cyan emission peak of (Rac-MPZ)CuI.
  • 34,500 photons/MeV light yield of (Rac-MPZ)CuI.
  • 10 lp/mm resolution of X-ray imaging screens developed with (Rac-MPZ)CuI.
  • 25% excitation-dependent increase in emission intensity at room temperature (298 K) of (Rac-MPZ)CuI.

Sources:

  • Chen Li et al., Hybrid copper(I) halides with excitation-dependent dual-color emission for X-ray imaging and multimode encryption. Journal of Colloid and Interface Science, 2025;698:138028.
  • Information Technology Newsweekly, Beijing University of Technology Reports Findings in Information and Data Encoding and Encryption [Hybrid copper(I) halides with excitation-dependent dual-color emission for X-ray imaging and multimode encryption]. June 17, 2025; p 84.
  • Beijing University of Technology, Institute of Microstructure and Property of Advanced Materials, College of Material Science and Engineering, College of Physics and Optoelectronics Engineering.
  • Academic Press Inc Elsevier Science, 525 B St, Ste 1900, San Diego, CA 92101-4495, USA.