Lu2O3纳米线阵列的超声辅助溶胶-凝胶模板法制备与表征

doi:10.15541/jim20160014

无机材料学报 ›› 2016, Vol. 31 ›› Issue (8): 807-811.DOI: 10.15541/jim20160014 CSTR: 32189.14.10.15541/jim20160014

Lu₂O₃纳米线阵列的超声辅助溶胶-凝胶模板法制备与表征

胡亚华^1,2, 顾牡¹, 张致远¹, 刘小林¹, 黄世明¹, 刘波¹, 张娟楠¹

(1. 同济大学物理科学与工程学院, 上海市特殊人工微结构材料与技术重点实验室, 上海 200092; 2. 嘉兴学院南湖学院, 嘉兴 314001)

收稿日期:2016-01-09 修回日期:2016-03-09 出版日期:2016-08-20 网络出版日期:2016-07-20
作者简介:胡亚华(1979–), 男, 博士研究生. E-mail: 79hua@tongji.edu.cn
基金资助:
国家自然科学基金(11475128, 11375129, 11475127)

Fabrication and Characterization of Lu₂O₃ Nanowire Arrays by Sol-Gel Template Method Assisted with Ultrasonic Treatment

HU Ya-Hua^1,2, GU Mu¹, ZHANG Zhi-Yuan¹, LIU Xiao-Lin¹, HUANG Shi-Ming¹, LIU Bo¹, ZHANG Juan-Nan¹

(1. Shanghai Key Laboratory of Special Artificial Microstructure Material & Technology, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China; 2. College of Nanhu, Jiaxing University, Jiaxing, Zhejiang 314001, China)

Received:2016-01-09 Revised:2016-03-09 Published:2016-08-20 Online:2016-07-20
About author:HU Ya-Hua. E-mail: 79hua@tongji.edu.cn
Supported by:
National Natural Science Foundation of China (11475128, 11375129, 11475127)

摘要/Abstract

摘要：

采用超声辅助的溶胶-凝胶阳极氧化铝(AAO)模板法制备Lu₂O₃纳米线阵列。通过X射线衍射谱(XRD)、能量色散X射线谱(EDX)、扫描以及透射电镜(SEM及TEM)对纳米线阵列的晶体结构和形貌进行表征。结果显示: Lu₂O₃纳米线阵列的晶相呈纯立方相Lu₂O₃多晶结构; 纳米线形貌完整、取向一致、粗细均匀, 直径约200 nm。与简单浸泡法相比, 采用的超声辅助技术可有效提高Lu₂O₃在AAO孔道内的填充度, 填充度接近100%。该方法具有工艺简单、成本低廉、填充度高、重复性好等特点, 不仅可实现大面积Lu₂O₃纳米线阵列的制备, 而且还可推广到其他材料的纳米线阵列制备。

关键词: 超声辅助, 溶胶-凝胶法, AAO模板, Lu2O3纳米线阵列

Abstract:

Lu₂O₃ nanowire arrays were fabricated by a Sol-Gel anodic aluminum oxide (AAO) template method assisted with ultrasonic treatment. The structure and morphology of Lu₂O₃ nanowire arrays were characterized by X-ray diffractometer (XRD), scanning electron microscope (SEM), Energy disperse X-ray spectroscope (EDX), and transmission electron microscope (TEM). The results indicate that the as-prepared nanowire arrays consist of cubic structure of polycrystalline Lu₂O₃. The Lu₂O₃ nanowires are parallel to each other and quite uniform in diameter of about 200 nm. The formation mechanism of nanowires is also explored here. It is found that it is easy to evolve Lu₂O₃into bamboo-like nanotubes without ultrasonic treatment. Compared with traditional Sol-Gel template method, a good filling of Lu₂O₃ nanowires embedded in the AAO template can be obtained by improved ultrasonic- assisted technique. Ultrasonic treatment is useful to prepare for other nanowire arrays of different materials.

Key words: ultrasonic treatment, Sol-Gel, AAO template, Lu2O3 nanowire arrays

中图分类号:

O614

胡亚华, 顾牡, 张致远, 刘小林, 黄世明, 刘波, 张娟楠. Lu₂O₃纳米线阵列的超声辅助溶胶-凝胶模板法制备与表征[J]. 无机材料学报, 2016, 31(8): 807-811.

HU Ya-Hua, GU Mu, ZHANG Zhi-Yuan, LIU Xiao-Lin, HUANG Shi-Ming, LIU Bo, ZHANG Juan-Nan. Fabrication and Characterization of Lu₂O₃ Nanowire Arrays by Sol-Gel Template Method Assisted with Ultrasonic Treatment[J]. Journal of Inorganic Materials, 2016, 31(8): 807-811.

图/表 4

图1 直接浸泡(a,b)和超声辅助浸泡(c,d)的AAO模板断面SEM照片

Fig. 1 SEM images of samples(a) Cross-section view of the AAO template without supersonic treatment; (b) Enlarged SEM image of the dashed square in (a); (c) Cross-section view of the AAO template with supersonic treatment; (d) Enlarged SEM image of the dashed square in (c)

图2 Lu2O3纳米线阵列的SEM照片

Fig. 2 SEM images of Lu2O3 nanowire arrays(a) Top view of Lu2O3 nanowire arrays embedded in the AAO template after polishing; (b, c) Top view and (d) cross-section view of Lu2O3 nanowire arrays etched in a NaOH solution for 30 min

图3 Lu2O3纳米线阵列的XRD图谱(a)和EDX图谱(b)

Fig. 3 (a) XRD pattern of Lu2O3 nanowire arrays embedded in the AAO template and (b) EDX analysis spectrum of Lu2O3 nanowire arrays after etching

图4 Lu2O3纳米线的TEM照片(a)和EDX图谱(b)

Fig. 4 (a) TEM images of dispersed Lu2O3 nanowires and (b) EDX analysis spectrum of Lu2O3 nanowires

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Lu₂O₃纳米线阵列的超声辅助溶胶-凝胶模板法制备与表征

Fabrication and Characterization of Lu₂O₃ Nanowire Arrays by Sol-Gel Template Method Assisted with Ultrasonic Treatment

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