Investigate on Structure and Optical Properties of ZnO Nanostructures Grown on a-GaN/r-Sapphire

被引：2

作者：

Yu, Naisen ^{[1
,2
]}

Dong, Dapeng ^{[1
]}

Qi, Yan ^{[1
]}

Yang, Rui ^{[1
]}

Gui, Jing ^{[1
]}

机构：

[1] Dalian Nationalities Univ, Sch Phys & Mat Engn, Liaoning Key Lab Optoelect Films & Mat, Dalian 116600, Peoples R China

[2] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2018年 / 18卷 / 03期

基金：

中国国家自然科学基金;

关键词：

a-Plane ZnO; Aqueous Solutions; Different Growth Time; FILMS; FABRICATION; ZNO(0001);

D O I：

10.1166/jnn.2018.13869

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

ZnO nanostructures were directly grown on a-GaN/r-sapphire with different growth time via aqueous method. Structural and optical properties of the nanostructures were investigated by using a variety of techniques including X-ray diffraction (XRD), scan electron microscope (SEM), room-temperature photoluminescence (PL), and Raman scattering. The results showed the growth mechanism of ZnO nanostructures grown on a-GaN is Volmer-Weber (VW) mode, which is due to the high interfacial free-energy between a-plane ZnO and GaN. Meanwhile, compressive strains were revealed to exist by the optical characterizations. And the strengths were found to reduce with increasing growth time.

引用

页码：2072 / 2074

页数：3

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