Zinc oxide nano-cauliflower array with room temperature ultraviolet light emission

被引：21

作者：

Izaki, Masanobu ^{[1
]}

Watanabe, Mitsuru ^{[2
]}

Aritomo, Hiroki ^{[3
]}

Yamaguchi, Ippei ^{[3
]}

Asahina, Shunsuke ^{[4
]}

Shinagawa, Tsutomu ^{[2
]}

Chigane, Masaya ^{[2
]}

Inaba, Minoru ^{[3
]}

Tasaka, Akimasa ^{[3
]}

机构：

[1] Toyohashi Univ Technol, Dept Prod Syst Engn, Aichi 4418580, Japan

[2] Osaka Municipal Tech Res Inst, Dept Elect, Osaka 5638553, Japan

[3] Doshisha Univ, Grad Sch Engn, Kyoto 6100321, Japan

[4] JEOL Ltd, Tokyo 1968558, Japan

来源：

CRYSTAL GROWTH & DESIGN | 2008年 / 8卷 / 04期

关键词：

D O I：

10.1021/cg070164s

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel geometry of a ZnO nanocauliflower array has been fabricated by an electrochemical route of the electrophoresis deposition of anionic polystyrene spheres on a conductive glass substrate followed by the electrodeposition of ZnO in aqueous solutions. The structural and optical characteristics were investigated by using X-ray diffraction, field-emission scanning electron microscopy, and photoluminescence spectrum measurements. The ZnO nanocauliflower was constructed of a polystyrene sphere core and a shell of ZnO hexagonal columns radially grown from the sphere surface. The ZnO nanocauliflower array possessed a high quality that emits ultraviolet light at a photon energy of 3.3 eV at room temperature due to the recombination of bound excitons.

引用

页码：1418 / 1421

页数：4

共 28 条

[21] Cathodic electrodeposition from aqueous solution of dense or open-structured zinc oxide films [J].