Preparation and characterization of Mg-doped ZnO nanorods

被引：39

作者：

Fang, Te-Hua ^{[1
]}

Kang, Shao-Hui ^{[1
]}

机构：

[1] Natl Formosa Univ, Inst Mech & Electromech Engn, Yunlin 632, Taiwan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 492卷 / 1-2期

关键词：

Nanorods; Doping; ZnO:Mg; Thermoelectric; Nanopyroelectric; OPTICAL-PROPERTIES; ELECTRICAL-PROPERTIES; TEMPERATURE; GROWTH; MICROSTRUCTURE; DEPOSITION; NANOWIRES; ARRAY;

D O I：

10.1016/j.jallcom.2009.11.168

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：

Semiconducting zinc oxide (ZnO) nanorods can convert optical, mechanical, and thermal energy into electrical energy. The present study investigates the effect of Mg doping concentration on ZnO:Mg. The thermoelectric effect of ZnO:Mg is investigated at various temperatures. The Mg doping concentration during nanorod growth was varied to obtain various sizes of ZnO:Mg nanorods. The doping concentration was strongly positively correlated with growth. The results of tests show that turn-on voltages and average resistances at 50-120 degrees C were significantly better than those at room temperature (22 C). Resistances of 211.0-302.1 M Omega were obtained at 100-120 degrees C. It was found that Mg has a negative temperature coefficient (NTC) effect on turn-on voltages and average resistance performance. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：536 / 542

页数：7

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