溶液浓度对ZnO纳米棒形貌和发光的影响

霍艳丽; 李少兰; 马自侠

doi:10.3969/j.issn.1001-3806.2012.06.016

溶液浓度对ZnO纳米棒形貌和发光的影响

1.
鲁东大学物理与光电工程学院, 烟台264025;
2.
鲁东大学学报编辑部, 烟台264025

作者简介: 霍艳丽(1986- ),女,硕士研究生,现从事固体发光性质的研究。.

通讯作者: 马自侠, hylmzx@126.com

中图分类号: O433.4

Effect of solution concentration on the morphology and photoluminescence of ZnO nanorods

1.
School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China;
2.
Editorial Department, Ludong University, Yantai 264025, China

Corresponding author: MA Zi-xia, hylmzx@126.com

CLC number: O433.4

摘要: 为了获取高质量、高取向排列规则的ZnO纳米棒,玻璃衬底预先用脉冲激光沉积方法制备一层ZnO薄膜作为籽晶层,应用水热法在玻璃衬底上生长ZnO纳米棒。探究了籽晶层及不同溶液浓度对ZnO纳米棒结构和发光的影响,用扫描电子显微镜和X射线衍射仪测量样品的形貌和结构,用组建的光致发光测试系统对样品的室温光致发光光谱进行测定。结果表明,ZnO纳米棒具有高度取向且分布致密均匀;光致发光光谱显示ZnO的近带边发射比深能级发光略低;随着溶液浓度的增加,近带边发光和深能级发光相对强度的比值依次降低。
- 薄膜 /
- 光致发光 /
- 水热法 /
- 脉冲激光沉积 /
- ZnO纳米棒
Abstract: In order to prepare high-quality,high-orientation,high-density,well-aligned ZnO nanorods,firstly,ZnO seed layers were prepared on glass substrates by means of pulsed laser deposition(PLD),then ZnO nanorods were prepared on the glass substrates with hydrothermal method.The role of the seed layer was explored and effects of different solution concentration on structure and photoluminescence(PL)properties of ZnO nanorods were investigated.The morphology and structure of the samples were measured by scanning electron microscope(SEM) and X-ray diffraction(XRD).The PL spectra of the workpieces were measured with an established photoluminescence test system.SEM and XRD results show that ZnO nanorods have highly orientation,distribution compact uniform.The excitons emission is slightly lower than the deep level luminescence.As the solution concentration increasing,the ratio of exciton and deep level luminescence relative intensity decreases in order.
- thin films /
- photoluminescence /
- hydrothermal method /
- pulsed laser deposition /
- ZnO nanorods

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溶液浓度对ZnO纳米棒形貌和发光的影响

作者简介: 霍艳丽(1986- ),女,硕士研究生,现从事固体发光性质的研究。.

通讯作者: 马自侠, hylmzx@126.com

Effect of solution concentration on the morphology and photoluminescence of ZnO nanorods

Corresponding author: MA Zi-xia, hylmzx@126.com

计量

溶液浓度对ZnO纳米棒形貌和发光的影响

通讯作者: 马自侠, hylmzx@126.com

作者简介: 霍艳丽(1986- ),女,硕士研究生,现从事固体发光性质的研究。

English Abstract

Effect of solution concentration on the morphology and photoluminescence of ZnO nanorods

Corresponding author: MA Zi-xia, hylmzx@126.com

全文HTML

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溶液浓度对ZnO纳米棒形貌和发光的影响

作者简介: 霍艳丽(1986- ),女,硕士研究生,现从事固体发光性质的研究。.

通讯作者: 马自侠, hylmzx@126.com

Effect of solution concentration on the morphology and photoluminescence of ZnO nanorods

Corresponding author: MA Zi-xia, hylmzx@126.com

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出版历程

溶液浓度对ZnO纳米棒形貌和发光的影响

通讯作者: 马自侠, hylmzx@126.com

作者简介: 霍艳丽(1986- ),女,硕士研究生,现从事固体发光性质的研究。

English Abstract

Effect of solution concentration on the morphology and photoluminescence of ZnO nanorods

Corresponding author: MA Zi-xia, hylmzx@126.com

全文HTML

目录