Enhanced Eu3+ upconversion luminescence via Yb3+-Mn2+ dimer-mediated energy transfer for anti-counterfeiting and X-ray imaging

Key Points

• Enhanced luminescence is achieved through a dimer-mediated energy transfer mechanism.
• The research reports a significant increase in upconversion efficiency, measured by luminescence intensity.
• Employing Yb3+-Mn2+ dimers enhances the energy transfer process for effective imaging methods.
• This technique could support advancements in anti-counterfeiting measures and X-ray imaging capabilities.