Solar Transparent Radiators by Optical Nanoantennas
Journal article, 2017

Architectural windows are a major cause of thermal discomfort as the inner glazing during cold days can be several degrees colder than the indoor air. Mitigating this, the indoor temperature has to be increased, leading to unavoidable thermal losses. Here we present solar thermal surfaces based on complex nanoplasmonic antennas that can raise the temperature of window glazing by up to 8 K upon solar irradiation while transmitting light with a color rendering index of 98.76. The nanoantennas are directional, can be tuned to absorb in different spectral ranges, and possess a structural integrity that is not substrate-dependent, and thus they open up for application on a broad range of surfaces.


thermal management

plasmonic heating

plasmonic nanostructures

optical antennas


Gustav Edman Jönsson

Chalmers, Physics, Bionanophotonics

Daniel Tordera

Linköping University

Tavakol Pakizeh

K. N. Toosi University of Technology

Manoj Jaysankar

Chalmers, Physics

Vladimir Miljkovic

Stena Center

Lianming Tong

Chinese Academy of Sciences

Martin Jonsson

Linköping University

Alexander Dmitriev

Chalmers, Physics, Bionanophotonics

Nano Letters

1530-6984 (ISSN) 1530-6992 (eISSN)

Vol. 17 11 6766-6772

Nanophotonics for ultra-thin crystalline silicon photovoltaics (PHOTONVOLTAICS)

European Commission (EC) (EC/FP7/309127), 2012-11-01 -- 2015-10-31.

Plasmon Resonance for IMproving the Absorption of solar cells (PRIMA)

European Commission (EC) (EC/FP7/248154), 2010-01-01 -- 2012-12-31.

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