Highly efficient near-infrared emission from Cr 3+ -sensitized double perovskite Cs 2 Ag 0.6 Na 0.4 InCl 6 :Tm 3+ under visible light excitation

Key Points

• The study aims to develop efficient near-infrared luminescent materials that can be excited by visible light.
• Utilized a double perovskite composition Cs2Ag0.6Na0.4InCl6.
• Incorporated Cr3+ and Tm3+ ions for sensitization.
• Examined luminescent properties under visible light excitation.
• Achieved highly efficient near-infrared emission.
• Demonstrated successful sensitization method for visible light excitation.
• Identified potential applications in bioimaging and sensing.