摘要
YVO_(4):Eu^(3+) phosphors have been widely used in optoelectronic integration fields of its chemical and thermal stability.However,the excitation spectrum band of VO_(4)^(3-) is too narrow for high-efficiency luminescence,restricting its further development.Herein,flower-like and linear-like YVO_(4):Eu^(3+) hollow mesoporous spheres were synthesized and connected with Eu organic ligand,to obtain a new hybrid luminescent material.The characterization shows that the pores of microspheres are in size of about 2-50 nm,sticked with regular morphology,well crystallized,and in uniform distribution.The emission intensity of hybrid luminescent material is higher than that of single YVO_(4):Eu^(3+) and single Eu co mplexes realizing the purpose of mutually reinforcing luminesce nce.This paper provides a new idea to connect rare earth complexes for a new non-silicon-based mesoporous spherical matrix.
基金
Project supported by the Shaanxi Provincial Department of Science and Technology Key Industry Innovation Chain Project (2019TSLGY07-04)
the Shaanxi Provincial Science and Technology Plan Project Cooperation Unit Project (2019TD-019-01)
Xi’an Key Laboratory of Clean Energy(2019219914SYS014CG036)
the Natural Science Foundation of Xi’an (XA2020-CXRCFW-0247)
the Yulin Industry-University-Research Cooperation Project(2019-173)。