Growth and optical properties of faceted hexagonal ZnO nanotubes

被引：122

作者：

Tong, Yanhong

Liu, Yichun ^{[1
]}

Shao, Changlu

Liu, Yuxue

Xu, Changshan

Zhang, Jiying

Lu, Youming

Shen, Dezhen

Fan, Xiwu

机构：

[1] NE Normal Univ, Ctr Adv Optoelectron Funct Mat Res, Changchun 130024, Peoples R China

[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Key Lab Excited State Proc, Changchun 130033, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2006年 / 110卷 / 30期

关键词：

TEMPERATURE-DEPENDENCE; ZINC-OXIDE; PHOTOLUMINESCENCE; NANOWIRES; MICROTUBES; DEPOSITION; NANORODS; FILMS; SI;

D O I：

10.1021/jp056654h

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Well-faceted hexagonal ZnO nanotubes were synthesized by a simple hydrothermal method and the subsequent aging process without any catalysts or templates. The formation of the tubular structure is closely linked to the polarity of ZnO and the selective adsorption behavior of Zn2+ amino complexes. The surface-related optical properties were studied with use of Raman and photoluminescence spectra. It was found that the oxygen vacancy-related visible emission intensity decreased while surface defect-related visible emission intensity increased when the nanotubes were annealed in oxygen ambient. The anomalous enhancement of PL integrated intensity with the temperature shows fairly high surface state density existing in ZnO nanotubes.

引用

页码：14714 / 14718

页数：5

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