Spectroscopic properties of nano-sized cerium-doped lutetium aluminum garnet phosphors via sol–gel combustion process

Sol–gel synthesis and thermal stability of luminescence of Lu3Al5O12:Ce3+ nano-garnet

“…The excitation and PL spectra of LuAG:Ce 3+ nano-garnet prepared by the Pechini sol-gel method are similar to the LuAG:Ce 3+ nano-garnets prepared by sol-gel combustion method [19][20][21] except the difference between the energy positions of two bands in the excitation spectrum which is slightly decreased in the LuAG:Ce 3+ nano-garnet prepared by the Pechini sol-gel method (5522 cm −1 ) than that of the same prepared by sol-gel combustion method (6430 cm −1 ) for the same emission at 505 nm. This could be due to the dependency of inter-configurational 4f-5d energies on the crystal-field of the host matrix since the 5d orbitals have a greater radial extension.…”

“…In comparison with YAG:Ce, LuAG:Ce single crystals and single crystalline films show larger absorption co-efficient of ionizing radiation with higher quantum yields [17,18]. The concentration dependent photoluminescence (PL) and radioluminescence properties of Ce 3+ -doped LuAG nano-garnets prepared by sol-gel combustion process have been reported [19][20][21]. Zhong et al [22] synthesized Ce 3+ -doped LuAG garnets by sol-gel process and studied the influence of annealing temperature and active ion concentration on luminescent properties and defects.…”

The effect of citric acid to metal nitrates molar ratio on sol–gel combustion synthesis of nanocrystalline LaMnO3 powders

“…Recently, sol-gel combustion synthesis has emerged as an attracting technique for the production of high purity and crystalline oxide powders at significantly lower temperature than the conventional synthesis method [10][11][12][13]. This technique is based on the sol-gel process and the subsequent combustion process.…”

Solvothermal synthesis of lutetium aluminum garnet nanopowders: Determination of the optimum synthesis conditions

“…Many methods, such as solid-state reaction [14], coprecipitation [15,16] and sol-gel combustion [17] methods, have been used to synthesize LuAG nanopowders. Among these methods, the solid-state reaction method is a simple process for large-scale production but it requires high temperature treatment (generally higher than 1400 • C), lengthy reaction time (20-30 h) and repeated mechanical mixing.…”