Open AccessPreparation of ZrO2:Eu3+-Bi3+ phosphor and Bi3+ sensitizing characteristic emission of Eu3+ ions
Author(s) -
Shijing Sang,
Luuml; Shu-Chen,
Xiurong Qu,
Xiaoguang Yang,
Lili Zhang
Publication year - 2012
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.61.227801
Subject(s) - nanocrystalline material , tetragonal crystal system , monoclinic crystal system , materials science , phosphor , calcination , phase (matter) , luminescence , crystal structure , ion , analytical chemistry (journal) , emission intensity , coprecipitation , crystal (programming language) , precipitation , crystallography , nanotechnology , inorganic chemistry , optoelectronics , chemistry , biochemistry , physics , organic chemistry , chromatography , meteorology , computer science , programming language , catalysis
Eu3+ and Bi3+ codoped ZrO2 nanocrystalline powders are prepared by chemical co-precipitation method. The room temperature characteristic emission of Eu3+ can be observed from each sample. We determine the crystal structures and luminescent properties of the samples. It is shown that the crystal phase of nanocrystalline ZrO2:Eu3+-Bi3+ powder calcined at 600 ℃ is tetragonal, and it turns into the mixture of tetragonal and monoclinic phase as temperature rises to 800, 950, and 1100 ℃. It is obvious that characteristic emission intensity of Eu3+ in the tetragonal phase is greater than in the mixed phase. Bi3+ can sensitize the room temperature characteristic emission of Eu3+ in nanocrystalline ZrO2.