Energy transfer engineering for programmable fluorescence dynamics in CsPbBr3 perovskite: Toward multimode anti-counterfeiting

Key Points

• Programmable fluorescence dynamics improve energy transfer efficiency in CsPbBr3 perovskite, enhancing utility for anti-counterfeiting.
• Highly efficient energy transfer mechanisms show a significant increase in fluorescence intensity under specific conditions.
• Analysis of fluorescence behavior in perovskite materials demonstrates versatility for multimode applications.
• This research highlights the potential use of engineered fluorescence to combat counterfeit products.