Ultra-wideband solar absorption devices based on TiN metasurface for photothermal applications

Key Points

• Enhanced solar absorption properties were achieved in devices featuring titanium nitride metasurfaces, showcasing significant photothermal capabilities.
• The performance was measured based on solar absorption efficiency, exceeding 90% across the ultra-wideband spectrum in practical conditions.
• The analysis utilized a metasurface design approach to optimize the absorption characteristics over a wide frequency range, demonstrating superior efficiency.
• These findings suggest potential for advanced solar thermal applications, indicating a shift towards more effective energy conversion methods.