One Step Growth of ZnO Nano-Tetrapods by Simple Thermal Evaporation Process: Structural and Optical Properties

被引：40

作者：

Khan, Aurangzeb ^{[1
,2
]}

Khan, Saima N. ^{[1
,2
]}

Jadwisienczak, Wojciech M. ^{[3
]}

机构：

[1] Ohio Univ, Biomimet Nanosci & Nanoscale Technol BNNT Initiat, Athens, OH 45701 USA

[2] Univ Peshawar, Dept Phys, Peshawar, Khyber Pukhtoon, Pakistan

[3] Ohio Univ, Sch Elect Engn & Comp Sci, Athens, OH 45701 USA

来源：

SCIENCE OF ADVANCED MATERIALS | 2010年 / 2卷 / 04期

关键词：

Tetrapod; Photoluminescence; Raman Spectroscopy; Zinc Oxide; LUMINESCENCE PROPERTIES; FIELD-EMISSION; PHOTOLUMINESCENCE; NANOSTRUCTURES;

D O I：

10.1166/sam.2010.1127

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Large scale zinc Oxide (ZnO) tetrapod structures were synthesized in a tube furnace via simple one-step thermal evaporation method by heating metallic Zn powders at 900 +/- 50 degrees C. The as grown materials were characterized by X-ray diffractometery (XRD), Scanning and Transmission electron microscopy, Raman-scattering (RS) and Photoluminescence (PL) spectroscopy. Room-temperature PL spectrum exhibits strong near band edge (NBE) emission at similar to 380 nm (UV) and defects related broad blue-green band emission at similar to 520 nm. Raman spectroscopic analysis shows that these tetrapods have good crystalline quality. It is believed that this one-step growth will pave an easy way to large scale production of ZnO tetrapod structures for useful applications in nanotechnology.

引用

页码：572 / 577

页数：6

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