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Synthesis, novel luminescence properties, and surface-enhanced Raman scattering of Au/Y2O3: Eu3+ composite nanotubes
Su J. M.; Wang G. F.; Li Y.; Li R.; Xu B. Y.; Wang Y. P.; Zhang J. S.
2014
发表期刊Dalton Transactions
ISSNISBN/1477-9226
卷号43期号:39页码:14720-14725
摘要Y(OH)(3):Eu3+ nanotubes were synthesized by a facile hydrothermal method first, and then Au particles were grown on the surface of Y2O3: Eu3+ nanotubes by combining the vacuum extraction method and the annealing process. The composite nanotubes were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS). The effects of the Au content on the photoluminescence properties of the Au/Y2O3:Eu3+ composite nanotubes were investigated in detail. In the excitation spectra of Au/Y2O3:Eu3+ monitored at 614 nm, the F-7(0)-> H-5(3) transition from Eu3+ increased with increasing Au content, while the other sharp lines originating from Eu3+ f-f electron transitions almost vanished. In the emission spectra, the spectral configurations of Eu3+ in Au/(YO3)-O-2:Eu3+ composite nanotubes varied with the excitation wavelengths. When the excitation wavelength was 256 nm, the D-5(4)-> F-7(0), D-5(7)-> F-7(0), (5)G(2)-> F-7(0), L-5(6)-> F-7(0), D-5(0)-> F-7(0), D-5(0)-> F-7(1), D-5(0)-> F-7(1), and D-5(0)-> F-7(2), D-5(0)-> F-7(3), D-5(0)-> F-7(4) transitions from Eu3+ ions in Au/Y2O3:Eu3+ were observed. When the excitation wavelength was 378 nm, the plasmon resonance peak from Au nanoparticles was observed. In addition, 4-ATP was chosen as the model molecule to examine the performance of the Au/Y2O3:Eu3+ composite nanotubes as SERS substrates. The relative intensities of the SERS spectra enhanced with the increase of Au+ : Ln(3+) ratio.
收录类别SCI ; EI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/44435
专题中科院长春光机所知识产出
推荐引用方式
GB/T 7714
Su J. M.,Wang G. F.,Li Y.,et al. Synthesis, novel luminescence properties, and surface-enhanced Raman scattering of Au/Y2O3: Eu3+ composite nanotubes[J]. Dalton Transactions,2014,43(39):14720-14725.
APA Su J. M..,Wang G. F..,Li Y..,Li R..,Xu B. Y..,...&Zhang J. S..(2014).Synthesis, novel luminescence properties, and surface-enhanced Raman scattering of Au/Y2O3: Eu3+ composite nanotubes.Dalton Transactions,43(39),14720-14725.
MLA Su J. M.,et al."Synthesis, novel luminescence properties, and surface-enhanced Raman scattering of Au/Y2O3: Eu3+ composite nanotubes".Dalton Transactions 43.39(2014):14720-14725.
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