Plasmonic Metasurface Absorber Based on Electro-Optic Substrate for Energy Harvesting

被引：36

作者：

Muhammad, Naseer ^{[1
,2
,3
]}

Fu, Tao ^{[4
]}

Liu, Qiang ^{[1
,2
,3
]}

Tang, Xiaopin ^{[1
,2
,3
]}

Deng, Zi-Lan ^{[5
,6
]}

Ouyang, Zhengbiao ^{[1
,2
,3
]}

机构：

[1] Shenzhen Univ, THz Tech Res Ctr, Shenzhen Key Lab Micronano Photon Informat Techno, Shenzhen 518060, Peoples R China

[2] Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

[3] Shenzhen Univ, Coll Elect Sci & Technol, Shenzhen 518060, Peoples R China

[4] Guilin Univ Elect Technol, Guangxi Key Lab Precis Nav Technol & Applicat, Guilin 541004, Peoples R China

[5] Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China

[6] Jinan Univ, Inst Photon Technol, Guangzhou 510632, Guangdong, Peoples R China

来源：

MATERIALS | 2018年 / 11卷 / 11期

关键词：

metasurface; absorption; energy; plasmon; electro-optic; BROAD-BAND POLARIZATION; ELECTROMAGNETICALLY INDUCED TRANSPARENCY; PERFECT METAMATERIAL ABSORBER; DESIGN; INDEX; RESONANCES; MULTIBAND;

D O I：

10.3390/ma11112315

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：

A highly efficient and broad light absorber capable of wide-angle absorption in the visible and near infrared range is presented and numerically investigated for energy harvesting in a simple geometry. According to the calculated results, the proposed device has a peak absorption level of about 99.95%. The actual absorption efficiency is 76.35%, which is approaching that of complex multilayer absorbers with 88 layers working in the wavelength range of 300 nm to 2000 nm. The electro-optic material has the potential of shifting the absorption peak position, compensating fabrication errors and thus reducing the fabrication technique difficulties. Also, the high electro-optic tunability can be used for filters, infrared detection, and imaging applications. More directly, the proposed absorber can be potentially deployed in solar cells and solar thermals.

引用

页数：11

共 55 条

[1] Optically thin composite resonant absorber at the near-infrared band: a polarization independent and spectrally broadband configuration [J].