Electrospinning preparation and photoluminescence properties of rare-earth complex/polymer composite fibers

	Electrospinning preparation and photoluminescence properties of rare-earth complex/polymer composite fibers
其他题名	论文其他题名
	Zhang H.; Song H. W.; Yu H. Q.; Bai X.; Li S. W.; Pan G. H.; Dai Q. L.; Wang T.; Li W. L.; Lu S. Z.; Ren X. G.; Zhao H. F.
	2007
发表期刊	Journal of Physical Chemistry C
ISSN	1932-7447
卷号	111 期号:17 页码:6524-6527
摘要	Composite fibers of poly(vinyl pyrrolidone) (PVP, M-w approximate to 1 300 000) and europium complex Eu(BA)(3)(TPPO)(2) (BA =1-benzoylacetone; TPPO = triphenylphosphine oxide) with strong photoluminescence were prepared by electrospinning. Their luminescent properties were studied in comparison to that of the pure complex. The results indicate that due to decreased symmetry in the composites the excitation bands are split into two different components, peaking at similar to 246 and similar to 336 nm, respectively, while the ratio of the electronic dipole D-5(0)-F-7(2) transitions to the magnetic dipole D-5(0)-F-7(1) ones in the emission spectra becomes a little larger. The room temperature fluorescence lifetime for the D-5(0) level becomes shorter due to increased radiative and nonradiative transition rates. The temperature dependence of photoluminescence was investigated under 325-nm excitation. It is interesting to observe that in the composite fiber the total emission intensity of the Eu3+ ions changes little below 150 K, while in the pure complex the intensity decreases monotonically with increasing temperature. In addition, the composite fibers exhibit better photostability exposed to ultraviolet lights. These novel luminescent composite fibers have potential application in nanodevices.
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/24908
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Zhang H.,Song H. W.,Yu H. Q.,et al. Electrospinning preparation and photoluminescence properties of rare-earth complex/polymer composite fibers[J]. Journal of Physical Chemistry C,2007,111(17):6524-6527.
APA	Zhang H..,Song H. W..,Yu H. Q..,Bai X..,Li S. W..,...&Zhao H. F..(2007).Electrospinning preparation and photoluminescence properties of rare-earth complex/polymer composite fibers.Journal of Physical Chemistry C,111(17),6524-6527.
MLA	Zhang H.,et al."Electrospinning preparation and photoluminescence properties of rare-earth complex/polymer composite fibers".Journal of Physical Chemistry C 111.17(2007):6524-6527.

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