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Study on luminescence properties of co-doped nanoparticles Gd2O3:Tb3+, Eu3+ synthesized by polyol route
Affiliation:1. College of Material and Metallurgy, Guizhou University, Guiyang, Guizhou 550025, China;2. College of Chemistry and Materials engineering,Guiyang University, Guiyang, Guizhou 550003, China;1. School of Metallurgy and Chemistry Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China;2. School of Chemical and Environmental Engineering, Hanshan Normal University, Chaozhou 521041, Guangdong, China;1. Department of Optoelectronics, University of Kerala, Thiruvananthapuram 695581, India;2. Department of Electrical and Materials Science, Faculty of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan;1. Department of Applied Physics, Bhilai Institute of Technology (Seth Balkrishan Memorial), Near Bhilai House, Durg, C.G. 491001, India;2. School of Studies in Physics and Astrophysics, Pt. Ravishankar Shukla University, Raipur, C.G. 492010, India;3. Department of Chemistry, Shri Shankaracharya School, Hudco, Bhilai, C.G. 490006, India;4. Department of Physics, Govt Higher Secondary School Haldi, Balod, C.G. 491222, India
Abstract:Spherical-like Tb3+ and Eu3+ co-doped Gd2O3 nanoparticles with a particle size around 5.5 nm were synthesized by a polyol route. The optimized luminescence property was obtained when 5 mol% Tb3+ and 2 mol% Eu3+ were co-doped. The influence of different polyalcohol solvents (DEG/PEG) on particle size and luminescence properties was investigated. The results show that the nanoparticles Gd2O3:5%Tb3+ prepared in PEG presented greater particle size (around 79 nm) and higher luminescence intensity.
Keywords:Co-doped  Nanoparticles  Polyalcohol  Luminescence properties
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