Dynamically tunable and broadband electromagnetic wave absorption cellulose nanofiber-based aerogel metamaterial via one-dimensional interface engineering

Key Points

• Broadband electromagnetic wave absorption is achieved through engineered cellulose nanofiber-based metamaterials.
• Key evidence shows absorption efficiencies exceeding 90% across a wide frequency range in specific configurations.
• Analysis included dynamic tunability of the material properties, indicating adaptability for various applications.
• This method may enable advanced material designs but necessitates further exploration in practical applications.