Improving the mid-infrared energy absorption efficiency by using. a dual-band metamaterial absorber

被引：11
|
作者：
Zhang, Nan [1 ]
Zhou, Peiheng [1 ]
Zou, Shifeng [1 ]
Weng, Xiaolong [1 ]
Xie, Jianliang [1 ]
Deng, Longjiang [1 ]
机构：
[1] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China
来源：
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL | 2014年 / 24卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Metamaterial absorber; Thermal absorption; Solar energy harvesting; Mid-infrared; INFRARED PERFECT ABSORBER; INDEX;
D O I：
10.1016/j.pnsc.2014.03.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a dual-band mid-infrared metamaterial absorber was proposed to improve the energy absorption efficiency. Up to 99% absorption was obtained at 9.03 and 11.83 mu m in the simulation, and each absorption band can be tuned by the dielectric spacing layer, i.e., the dielectric constant and its thickness. The dual-band absorption mechanism was analyzed, and the quite well absorption performance at large incident angles was also presented. The results of this study can be applied in the field of thermal absorbing and solar energy harvesting. (C) 2014 Chinese Materials Research Society. Production and hosting by Elsevier B.V. All rights reserved.
引用
收藏
页码：128 / 133
页数：6
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