Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 10, Issue 34, Pages 12332-12337Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2tc00481j
Keywords
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Funding
- Natural Science Foundation of Shanghai [22ZR1402900]
- Fundamental Research Funds for the Central Universities [2232021A-06]
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The artificial light-harvesting system constructed using MPy1-ESY-SR101 shows great potential in multilevel data encryption and anticounterfeiting, with the dual-encryption QR code only being readable under specific conditions and protected information being difficult to copy and counterfeit.
Multilevel information encryption and anticounterfeiting are extremely important for information security. Herein, we employed a hexagonal pyrene-based organoplatinum (II) metallacycle (MPy1) as a platform to construct an artificial light-harvesting system with two-step sequential energy transfer and eosin Y serving as a bridge between the initial energy donor (MPy1 self-assembly) and final energy acceptor (sulforhodamine 101). The artificial light-harvesting system (MPy1-ESY-SR101) showed promising application in multilevel data encryption and anticounterfeiting. The dual-encryption QR (quick response) code can only be readable under 365 nm UV light and the THE vapor environment. The protected information is very difficult to be copied and counterfeited because the emission spectra of the MPy1-ESY-SR101 system depend nonlinearly on the ratio of the energy donor and two acceptors.
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