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Title: High-Temperature Refractory Metasurfaces for Solar Thermophotovoltaic Energy Harvesting

Abstract

Solar energy promises a viable solution to meet the ever-increasing power demand by providing a clean, renewable energy alternative to fossil fuels. For solar thermophotovoltaics (STPV), high-temperature absorbers and emitters with strong spectral selectivity are imperative to efficiently couple solar radiation into photovoltaic cells. We demonstrate refractory metasurfaces for STPV with tailored absorptance and emittance characterized by in situ high-temperature measurements, featuring thermal stability up to at least 1200 °C. Our tungsten-based metasurface absorbers have close-to-unity absorption from visible to near-infrared and strongly suppressed emission at longer wavelengths, while our metasurface emitters provide wavelength-selective emission spectrally matched to the band-edge of InGaAsSb photovoltaic cells. The projected overall STPV efficiency is as high as 18% when a fully integrated absorber/emitter metasurface structure is employed, which is comparable to the efficiencies of the best currently available commercial single-junction PV cells and can be further improved to potentially exceed those in mainstream photovoltaic technologies. Finally, our work opens a path forward for high-performance STPV systems based on refractory metasurface structures.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [2];  [2];  [1];  [1];  [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Center for Integrated Nanotechnologies
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); USDOE National Nuclear Security Administration (NNSA); LANL Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1483543
Report Number(s):
LA-UR-18-27846
Journal ID: ISSN 1530-6984
Grant/Contract Number:  
89233218CNA000001
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Nano Letters
Additional Journal Information:
Journal Name: Nano Letters; Journal ID: ISSN 1530-6984
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; high temperature; metasurfaces; refractory metamaterials; solar absorbers; solar thermophotovoltaics; thermal emitters

Citation Formats

Chang, Chun-Chieh, Kort-Kamp, Wilton J. M., Nogan, John, Luk, Ting S., Azad, Abul K., Taylor, Antoinette J., Dalvit, Diego A. R., Sykora, Milan, and Chen, Hou-Tong. High-Temperature Refractory Metasurfaces for Solar Thermophotovoltaic Energy Harvesting. United States: N. p., 2018. Web. doi:10.1021/acs.nanolett.8b03322.
Chang, Chun-Chieh, Kort-Kamp, Wilton J. M., Nogan, John, Luk, Ting S., Azad, Abul K., Taylor, Antoinette J., Dalvit, Diego A. R., Sykora, Milan, & Chen, Hou-Tong. High-Temperature Refractory Metasurfaces for Solar Thermophotovoltaic Energy Harvesting. United States. doi:10.1021/acs.nanolett.8b03322.
Chang, Chun-Chieh, Kort-Kamp, Wilton J. M., Nogan, John, Luk, Ting S., Azad, Abul K., Taylor, Antoinette J., Dalvit, Diego A. R., Sykora, Milan, and Chen, Hou-Tong. Mon . "High-Temperature Refractory Metasurfaces for Solar Thermophotovoltaic Energy Harvesting". United States. doi:10.1021/acs.nanolett.8b03322.
@article{osti_1483543,
title = {High-Temperature Refractory Metasurfaces for Solar Thermophotovoltaic Energy Harvesting},
author = {Chang, Chun-Chieh and Kort-Kamp, Wilton J. M. and Nogan, John and Luk, Ting S. and Azad, Abul K. and Taylor, Antoinette J. and Dalvit, Diego A. R. and Sykora, Milan and Chen, Hou-Tong},
abstractNote = {Solar energy promises a viable solution to meet the ever-increasing power demand by providing a clean, renewable energy alternative to fossil fuels. For solar thermophotovoltaics (STPV), high-temperature absorbers and emitters with strong spectral selectivity are imperative to efficiently couple solar radiation into photovoltaic cells. We demonstrate refractory metasurfaces for STPV with tailored absorptance and emittance characterized by in situ high-temperature measurements, featuring thermal stability up to at least 1200 °C. Our tungsten-based metasurface absorbers have close-to-unity absorption from visible to near-infrared and strongly suppressed emission at longer wavelengths, while our metasurface emitters provide wavelength-selective emission spectrally matched to the band-edge of InGaAsSb photovoltaic cells. The projected overall STPV efficiency is as high as 18% when a fully integrated absorber/emitter metasurface structure is employed, which is comparable to the efficiencies of the best currently available commercial single-junction PV cells and can be further improved to potentially exceed those in mainstream photovoltaic technologies. Finally, our work opens a path forward for high-performance STPV systems based on refractory metasurface structures.},
doi = {10.1021/acs.nanolett.8b03322},
journal = {Nano Letters},
issn = {1530-6984},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {11}
}

Journal Article:
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