Y2O3:Eu3+纳米纤维与纳米带的制备及其发光性能

纺织学报 ›› 2014, Vol. 35 ›› Issue (11): 13-0.

Y2O3:Eu3+纳米纤维与纳米带的制备及其发光性能

浙江理工大学先进纺织材料与制备技术教育部重点实验室

收稿日期:2013-10-14 修回日期:2014-05-05 出版日期:2014-11-15 发布日期:2014-11-20
通讯作者: 熊杰 E-mail:jxiong@zstu.edu.cn
基金资助:
浙江省大学生科技创新活动计项目;浙江理工大学省级实验教学示范中心大学生创新实践项目

Fabrication and luminescent properties of Y2O3:Eu3+ nanofibers and nanobelts

Received:2013-10-14 Revised:2014-05-05 Online:2014-11-15 Published:2014-11-20
Contact: Jie XIONG E-mail:jxiong@zstu.edu.cn

摘要/Abstract

摘要： 以聚乙烯吡咯烷酮（PVP）、稀土硝酸盐为原料，分别以水和N,N二甲基甲酰胺（DMF）溶剂，通过静电纺丝与高温煅烧制备出两种不同形貌的一维结构纳米材料。通过热重分析（TG）、场发射扫描电镜（FE-SEM）、傅立叶红外光谱（FTIR）、X射线衍射仪（XRD）对材料的结构、形貌进行了表征，利用荧光光谱仪对样品的光致发光性能进行了评价。结果表明：以水为溶剂制备的Y2O3:Eu3+样品煅烧前后均为带状，并推测了纳米带的形成机理，而用DMF溶剂制备的样品煅烧前后则均为纤维状；800 °C煅烧后样品结晶良好且为立方相结构。此外，纳米纤维和纳米都显示出来良好的发光效果，而Y2O3:Eu3+纳米纤维的光致发光强度约为Y2O3:Eu3+纳米带的2倍。

关键词: Y2O3:Eu3+, 静电纺丝, 纳米纤维, 纳米带

Abstract: In this study, two kinds of solvents were respectively selected to dissolve Poly(vinyl pyrrolidone) and rare earth nitrates, then the solutions were used to fabricate two different kinds of one-dimentional nanomaterials by electrospinning followed by calcination process. The structure and morphology of the obtained samples were characterized by thermogravimetric analysis (TG), field emission scanning electron microscopy (FE-SEM), fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD). The photoluminescence (PL) spectroscopy was employed to study their luminescent properties. The results indicated that Y2O3:Eu3+ nanobelts were obtained by using of de-ionized H2O as the solvent, but the obtained Y2O3:Eu3+ nanofibers with solvent of DMF. Y2O3:Eu3+ samples had crystallized at 800 oC with the cubic phase. Furthermore, the PL emission intensity of Y2O3:Eu3+ nanofibers are about two time higher than those of nanobelts .

Key words: Y2O3:Eu3+, electrospinning, nanobelts, nanobelts

邵晓莉宋立新杜平凡熊杰冯涛房长江. Y2O3:Eu3+纳米纤维与纳米带的制备及其发光性能[J]. 纺织学报, 2014, 35(11): 13-0.

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