Ecofriendly synthesis of CaLaGaO4:Er3+ phosphors for multifunctional upconversion luminescence, FIR based thermometry and energy storage applications

Key Points

• Upconversion luminescence efficiencies of the phosphors are notably high, enhancing their utility.
• A specific synthesis method promotes the formation of calcium lanthanum gallate with erbium ions, producing unique luminescent properties.
• This study involved a thorough examination of phosphor applications, confirming potential in both thermometry and energy storage.
• Future exploratory work should focus on optimizing these phosphors for commercial applications, addressing scalability and cost issues.