Science Advances

Supplementary Materials

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  • Materials
  • Note S1. Template-assisted PVD procedure for self-assembly of Au/NPT.
  • Note S2. Systematic demonstrations of optical absorbance on geometry parameters.
  • Note S3. Antireflection and impedance matching by the nanoporous templates.
  • Note S4. Physical understandings for differences between the simulated and experimental absorbance (Fig. 3).
  • Note S5. Understanding the nonlinear behavior of evaporation rate on light intensity.
  • Note S6. Radiation loss of the steam generation system.
  • Note S7. Advantages of Au/D-NPT absorber for steam generaton: Comparisons with carbon paint or traditional plasmonic absorbers.
  • Note S8. Optical modeling for random gold particles.
  • Note S9. Angular dependence of the Au/D-NPT absorber.
  • Note S10. Electric measurements and potential applications.
  • Fig. S1. Schematic diagrams of the Au/NPT absorber.
  • Fig. S2. Measured absorption spectra of Au/NPT absorbers with different pore diameter D.
  • Fig. S3. Absorbance of the plasmonic absorbers on pore length H and gold film thickness hf.
  • Fig. S4. Schematic diagram of Au/NPT and the propagation direction of light.
  • Fig. S5. Effective index and impedance of nanoporous template calculated by Bruggeman effective medium formula.
  • Fig. S6. Scheme for the difference between the actual and simulated structures.
  • Fig. S7. Simulated absorbance of the Au/NPT absorber with different particle length hp.
  • Fig. S8. Comparison of the experimental and simulated absorption spectra of the Au/NPT absorber.
  • Fig. S9. Measured temperature of steam as a function of illumination intensity.
  • Fig. S10. The radiation loss of the plasmonic absorber surface.
  • Fig. S11. Advantages of Au/NPT for solar steam generation.
  • Fig. S12. Evaporation comparisons between the Au/D-NPT and carbon black–based absorber (carbon nanotube).
  • Fig. S13. Simulated absorbance as a function of particle number N.
  • Fig. S14. Angular dependence of the plasmonic absorber.
  • References (50–56)

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