#6635. Spectrally selective emitters based on 3D Mo nanopillars for thermophotovoltaic energy harvesting

December 2026publication date
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Journal’s subject area:
Physics and Astronomy (miscellaneous);
Materials Science (all);
Energy (miscellaneous);
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Abstract:
High-temperature stable emitters with spectral selective functionality are an absolute condition for efficient conversion of thermal radiation into electricity using thermophotovoltaic (TPV) systems. Usually, spectral selective emitters are made up of multilayered materials or geometrical structures resulting from complex fabrication processes. Here, we report a spectrally selective emitter based on a single metal layer coating of molybdenum (Mo) over a 3D dielectric pillar geometry. 3D Mo nanopillars are fabricated using large-area and cost-effective hole-mask colloidal lithography.
Keywords:
3D nanopillars; Gap plasmon resonator; High temperature stability; Molybdenum; Spectrally selective emitters

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