Photoluminescence properties of Ca2Al2O5:Sm3+ down conversion phosphor for eco-friendly solid state lighting applications.

Photoluminescence (PL) and optical properties for the samarium doped calcium aluminate based (Ca₂Al₂O₅:S^m3+) phosphor studied and would be good potential candidate for state lighting. The conventional simple combustion method were used to synthesis the given phosphor Ca₂Al₂O₅:S^m3+ for 1 mole%. PL emission performance with an excitation energy of 409 nm, peaks located at 520–670 nm due to the Sm³⁺ intra-configurational (f-f) transition. Based on the results, prepared compound Ca₂Al₂O₅:S^m3+ phosphors exhibit great potential may be applicable as a LED to enhance the efficiency for solid state lighting. [ABSTRACT FROM AUTHOR]