Abstract :
Y2SiO5 doped with Eu3+ were in situ synthesized by a hybrid precursor assembly sol–gel technology employing four different silicate sources, 3-aminopropyl-trimethoxysilane (APMS), 3-aminopropyl-triethoxysilane (APES), 3-aminopropyl-methyl-diethoxysilane (APMES) and tetraethoxysilane (TEOS), respectively. The SEM result shows that there exist some novel unexpected morphological microrod structures owing to using the crosslinking reagents other than TEOS as silicate source. The photoluminescent properties of Y2SiO5:Eu3+ have been studied as a function of Eu3+ doping concentration. A cross-relaxation process between identical Eu3+ ions results in the quenching of the 5D1 emission for high concentration sample.
