Design of wide-angle selective absorbers/emitters with dielectric filled metallic photonic crystals for energy applications

被引：67

作者：

Chou, Jeffrey B. ^{[1
]}

Yeng, Yi Xiang ^{[2
,3
]}

Lenert, Andrej ^{[1
]}

Rinnerbauer, Veronika ^{[2
,3
]}

Celanovic, Ivan ^{[3
]}

Soljacic, Marin ^{[2
,3
,4
]}

Wang, Evelyn N. ^{[1
]}

Kim, Sang-Gook ^{[1
]}

机构：

[1] MIT, Dept Mech Engn, Cambridge, MA 02139 USA

[2] MIT, Elect Res Lab, Cambridge, MA 02139 USA

[3] MIT, Inst Soldier Nanotechnol, Cambridge, MA 02139 USA

[4] MIT, Dept Phys, Cambridge, MA 02139 USA

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 01期

关键词：

THERMOPHOTOVOLTAIC SYSTEMS; EMITTER; EFFICIENCY; GRATINGS; CELLS;

D O I：

10.1364/OE.22.00A144

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The design and simulation of a wide angle, spectrally selective absorber/emitter metallic photonic crystal (MPhC) is presented. By using dielectric filled cavities, the angular, spectrally selective absorption/emission of the MPhC is dramatically enhanced over an air filled design by minimizing diffraction losses. Theoretical analysis is performed and verified via rigorous coupled wave analysis (RCWA) based simulations. An efficiency comparison of the dielectric filled designs for solar thermophotovoltaic applications is performed for the absorber and emitter which yields a 7% and 15.7% efficiency improvement, respectively, compared to air filled designs. The converted power output density is also improved by 33.5%. (C) 2013 Optical Society of America

引用

页码：A144 / A154

页数：11

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