Microstructures and Photoluminescence Properties of Three-Dimensional Multi-Layered ZnO Flowers by Surfactant-Free Hydrothermal Method

被引：1

作者：

Xu, Lingling ^{[1
]}

Gao, Hong ^{[1
]}

Li, Zeming ^{[1
]}

Lv, Wei ^{[1
]}

Liu, Jia ^{[1
]}

机构：

[1] Harbin Normal Univ, Heilongjiang Key Lab Adv Funct Mat & Excited Stat, Dept Phys, Sch Phys & Elect Engn, Harbin 150025, Peoples R China

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2011年 / 11卷 / 12期

关键词：

ZnO; Hydrothermal; Flowers; Urea; CHEMICAL-VAPOR-DEPOSITION; OPTICAL-PROPERTIES; NANOWIRES; NANORODS; NANOSTRUCTURES; FABRICATION; NANOSHEETS; GROWTH;

D O I：

10.1166/jnn.2011.4046

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this paper, a large-scale of three-dimensional multi-layered ZnO flowers constructed by porous nanosheets were fabricated on Zn foils through a surfactant-free hydrothermal method. The morphology and microstructures of precursors and the mesoporous ZnO flowers were revealed by scanning electron microscopy. Based on the urea hydrolyzation, a possible growth mechanism of etching-deposition was proposed. The quantities and sizes of ZnO petals can be turned by urea concentration variations. The optical properties of the multi-layered ZnO flowers prepared with variety urea contents were also investigated by room temperature photoluminescence spectroscopy and showed the lower urea added sample has better crystalline quality.

引用

页码：10940 / 10944

页数：5

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