Giant optical anisotropy of oblique-aligned ZnO nanowire arrays

被引：25

作者：

Chen, Cheng-Ying ^{[1
,2
]}

Huang, Jun-Han ^{[3
,4
]}

Lai, Kun-Yu ^{[1
,2
,5
]}

Jen, Yi-Jun ^{[6
]}

Liu, Chuan-Pu ^{[3
,4
]}

He, Jr-Hau ^{[1
,2
]}

机构：

[1] Natl Taiwan Univ, Inst Photon & Optoelect, Taipei 10617, Taiwan

[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan

[3] Natl Cheng Kung Univ, Dept Mat Sci & Engn, Res Ctr Energy Technol & Strategy, Tainan 701, Taiwan

[4] Natl Cheng Kung Univ, Ctr Micro Nano Sci & Technol, Tainan 701, Taiwan

[5] Natl Cent Univ, Dept Opt & Photon, Chungli 320, Taiwan

[6] Natl Taipei Univ Technol, Dept Electroopt Engn, Taipei 10608, Taiwan

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 03期

关键词：

THIN-FILMS; POLARIZED PHOTOLUMINESCENCE; SINGLE; REFLECTION; BIREFRINGENCE; ENHANCEMENT; DEPENDENCE;

D O I：

10.1364/OE.20.002015

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A combined method of modified oblique-angle deposition and hydrothermal growth was adopted to grow an optically anisotropic nanomaterial based on single crystalline ZnO nanowire arrays (NWAs) with highly oblique angles (75 degrees-85 degrees), exhibiting giant in-plane birefringence and optical polarization degree in emission. The in-plane birefringence of oblique-aligned ZnO NWAs is almost one order of magnitude higher than that of natural quartz. The strong optical anisotropy in emission due to the optical confinement was observed. The oblique-aligned NWAs not only allow important technological applications in passive photonic components but also benefit the development of the optoelectronic devices in polarized light sensing and emission. (C)2012 Optical Society of America

引用

页码：2015 / 2024

页数：10

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