NIR-luminescence from ternary lanthanide [HoIII, PrIII and TmIII] complexes with 1-(2-naphthyl)-4,4,4-trifluoro-1,3-butanedionate

被引:45
作者
Dang, Song [1 ,2 ]
Yu, Jiangbo [1 ]
Wang, Xiaofei [1 ,2 ]
Sun, Lining [3 ]
Deng, Ruiping [1 ]
Feng, Jing [1 ]
Fan, Weiqiang [1 ,2 ]
Zhang, Hongjie [1 ]
机构
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
[3] Shanghai Univ, Res Ctr Nano Sci & Technol, Shanghai 200444, Peoples R China
基金
中国国家自然科学基金;
关键词
Ho; Pr; Tm; NIR-luminescence; Antenna effect; INTRAMOLECULAR ENERGY-TRANSFER; EMISSION; ELECTROLUMINESCENCE; PHOTOLUMINESCENCE; SILICON; ND3+; NANOPARTICLES; SENSITIZATION; ABSORPTION; PROPERTY;
D O I
10.1016/j.jlumin.2011.04.018
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The ligand 1-(2-naphthyl)-4,4,4-trifluoro-1,3-butanedionate (Htfnd) has been employed to synthesize six novel ternary-lanthanide complexes in which the synergic ligands were 1,10-phenanthroline-5,6-dione (dione) and 4,5-diazafluoren-9-one (dafone), respectively. Two series of complexes Ln(tfnd)(3)dione and Ln(tfnd)(3)dafone (Ln=Ho, Pr, Tm) were obtained. These complexes were characterized by elemental analysis, Fourier Transform Infrared spectra and diffused reflectance. After ligand-mediated excitation, Ln(tfnd)(3)dione and Ln(tfnd)(3)dafone all show the characteristic NIR luminescence of the corresponding Ln(3+) ions (Ln=Ho, Pr, Tm). This can be attributed to the efficient energy transfer from ligands to central Ln(3+) ions, via an antenna effect. The indirect energy transfer in the complexes has been investigated and the differences in the luminescence intensity between Ln(tfnd)(3)dione and Ln(tfnd)3dafone were discussed in detail. The excellent luminescent performances enable these NIR-luminescent complexes to have potential applications in optical amplification operating at 1300 or 1500 nm. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:1857 / 1863
页数:7
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