Transparent nanocellulose metamaterial enables controlled optical diffusion and radiative cooling

Author:

Gamage Sampath12345,Kang Evan S. H.12345ORCID,Åkerlind Christina675,Sardar Samim12345ORCID,Edberg Jesper89105ORCID,Kariis Hans675,Ederth Thomas113125ORCID,Berggren Magnus12345,Jonsson Magnus P.12345ORCID

Affiliation:

1. Laboratory of Organic Electronics

2. Department of Science and Technology

3. Linköping University

4. SE-601 74 Norrköping

5. Sweden

6. FOI-Swedish Defence Research Agency

7. 583 30 Linköping

8. RISE Acreo, Department of Printed Electronics, Box 787

9. SE-601 17

10. Norrköping

11. Division of Biophysics and Bioengineering, IFM

12. 58183 Linköping

Abstract

We embedded IR-resonant microparticles as visible scatterers and thermal emitters in a transparent nanocellulose composite, to form a metamaterial that provides radiative cooling while simultaneously functioning as an optical diffuser.

Funder

Linköpings Universitet

Stiftelsen för Strategisk Forskning

Knut och Alice Wallenbergs Stiftelse

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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