Colloidal synthesis and remarkable enhancement of the upconversion luminescence of BaGdF(5):Yb(3+)/Er(3+) nanoparticles by active-shell modification

	Colloidal synthesis and remarkable enhancement of the upconversion luminescence of BaGdF(5):Yb(3+)/Er(3+) nanoparticles by active-shell modification
	Yang DM ; Li CX ; Li GG ; Shang MM ; Kang XJ ; Lin J
刊名	journal of materials chemistry
	2011
卷号	21 期号:16 页码:5923-5927
关键词	OPTICAL-PROPERTIES NANOCRYSTALS FLUORESCENT PHOSPHORS GREEN BLUE STRATEGY RED
ISSN号	0959-9428
通讯作者	lin j
中文摘要	bagdf(5):yb(3+)/er(3+) colloidal nanoparticles (nps) with tunable average particle diameters from 3 to 10 nm in different solvents were first prepared by thermal decomposition method. x-ray diffraction (xrd), transmission electron microscopy (tem) and upconversion (uc) luminescence spectra were used to characterize the resulting samples. after coating the active shell (containing yb(3+)) around the bagdf(5):yb(3+)/er(3+) nps, not only their morphology and monodisperse properties were well maintained but also the relative uc luminescence intensity was enhanced remarkably. in contrast to the pure bagdf(5):yb(3+)/er(3+) core, the luminescence intensity of the active-shell coated nps can be enhanced several hundred times. unexpectedly, the luminescence intensity of the active-core/active-shell nps was about four times as high as that of beta-nayf(4):yb(3+)/er(3+) nps under the same doping concentration and measurement conditions. moreover, the luminescence colors of the active-core/active-shell nps can be tuned from green to yellow by multilayer active-shell coating under 980 nm laser excitation.
收录类别	SCI收录期刊论文
语种	英语
公开日期	2012-06-12
内容类型	期刊论文
源URL	[http://ir.ciac.jl.cn/handle/322003/45021]
专题	长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式 GB/T 7714	Yang DM,Li CX,Li GG,et al. Colloidal synthesis and remarkable enhancement of the upconversion luminescence of BaGdF(5):Yb(3+)/Er(3+) nanoparticles by active-shell modification[J]. journal of materials chemistry,2011,21(16):5923-5927.
APA	Yang DM,Li CX,Li GG,Shang MM,Kang XJ,&Lin J.(2011).Colloidal synthesis and remarkable enhancement of the upconversion luminescence of BaGdF(5):Yb(3+)/Er(3+) nanoparticles by active-shell modification.journal of materials chemistry,21(16),5923-5927.
MLA	Yang DM,et al."Colloidal synthesis and remarkable enhancement of the upconversion luminescence of BaGdF(5):Yb(3+)/Er(3+) nanoparticles by active-shell modification".journal of materials chemistry 21.16(2011):5923-5927.