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Title: Tailoring photonic metamaterial resonances for thermal radiation

Abstract

Selective solar absorbers generally have limited effectiveness in unconcentrated sunlight, because of reradiation losses over a broad range of wavelengths and angles. However, metamaterials offer the potential to limit radiation exchange to a proscribed range of angles and wavelengths, which has the potential to dramatically boost performance. After globally optimizing one particular class of such designs, we find thermal transfer efficiencies of 78% at temperatures over 1,000°C, with overall system energy conversion efficiencies of 37%, exceeding the Shockley-Quiesser efficiency limit of 31% for photovoltaic conversion under unconcentrated sunlight. This represents a 250% increase in efficiency and 94% decrease in selective emitter area compared to a standard, angular-insensitive selective absorber.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
OSTI Identifier:
1386878
Grant/Contract Number:  
SC0001299; FG02-09ER46577
Resource Type:
Accepted Manuscript
Journal Name:
Nanoscale Research Letters (Online)
Additional Journal Information:
Journal Name: Nanoscale Research Letters (Online); Journal Volume: 6; Journal Issue: 1; Related Information: S3TEC partners with Massachusetts Institute of Technology (lead); Boston College; Oak Ridge National Laboratory; Rensselaer Polytechnic Institute; Journal ID: ISSN 1556-276X
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
metamaterials; photonic crystals; solar absorbers

Citation Formats

Bermel, Peter, Ghebrebrhan, Michael, Harradon, Michael, Yeng, Yi Xiang, Celanovic, Ivan, Joannopoulos, John D., and Soljacic, Marin. Tailoring photonic metamaterial resonances for thermal radiation. United States: N. p., 2011. Web. doi:10.1186/1556-276X-6-549.
Bermel, Peter, Ghebrebrhan, Michael, Harradon, Michael, Yeng, Yi Xiang, Celanovic, Ivan, Joannopoulos, John D., & Soljacic, Marin. Tailoring photonic metamaterial resonances for thermal radiation. United States. doi:10.1186/1556-276X-6-549.
Bermel, Peter, Ghebrebrhan, Michael, Harradon, Michael, Yeng, Yi Xiang, Celanovic, Ivan, Joannopoulos, John D., and Soljacic, Marin. Thu . "Tailoring photonic metamaterial resonances for thermal radiation". United States. doi:10.1186/1556-276X-6-549. https://www.osti.gov/servlets/purl/1386878.
@article{osti_1386878,
title = {Tailoring photonic metamaterial resonances for thermal radiation},
author = {Bermel, Peter and Ghebrebrhan, Michael and Harradon, Michael and Yeng, Yi Xiang and Celanovic, Ivan and Joannopoulos, John D. and Soljacic, Marin},
abstractNote = {Selective solar absorbers generally have limited effectiveness in unconcentrated sunlight, because of reradiation losses over a broad range of wavelengths and angles. However, metamaterials offer the potential to limit radiation exchange to a proscribed range of angles and wavelengths, which has the potential to dramatically boost performance. After globally optimizing one particular class of such designs, we find thermal transfer efficiencies of 78% at temperatures over 1,000°C, with overall system energy conversion efficiencies of 37%, exceeding the Shockley-Quiesser efficiency limit of 31% for photovoltaic conversion under unconcentrated sunlight. This represents a 250% increase in efficiency and 94% decrease in selective emitter area compared to a standard, angular-insensitive selective absorber.},
doi = {10.1186/1556-276X-6-549},
journal = {Nanoscale Research Letters (Online)},
number = 1,
volume = 6,
place = {United States},
year = {2011},
month = {10}
}

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Works referenced in this record:

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