Construction and photothermal properties of microsphere-modified cavity resonator absorbers with ultra-wide infrared spectrum absorption

Key Points

• Strong infrared spectrum absorption enhances photothermal properties, improving thermal management.
• The absorption efficiency exceeds 90% across a wide range of infrared wavelengths, indicating its robustness.
• Assessment of microsphere-modified cavity resonator absorbers revealed significant improvements in thermal performance.
• These findings suggest potential applications in energy efficiency and thermal energy harvest.