Science Advances

Supplementary Materials

This PDF file includes:

  • Influence of emitter solar reflectivity and effective heat transfer coefficient
  • Theoretical model for emitter cooling power
  • Optical properties of PEA
  • Fig. S1. Influence of system nonidealities.
  • Fig. S2. Solar absorption at the emitter.
  • Fig. S3. Experimental setup.
  • Fig. S4. Selective emitter emissivity.
  • Fig. S5. Influence of PEA thickness.
  • Fig. S6. Cooling performance of radiative cooler in Cambridge, Massachusetts.
  • Fig. S7. Experimental comparison of selective and black emitters with PEA.
  • Fig. S8. Iterative process for cooling power modeling.
  • Fig. S9. Optical properties of PEA.
  • Reference (40)

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