Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. IV characteristics and photobehavior in different metal/n-Si systems.
  • fig. S2. KPFM surface potential map of a plain n-type Si, which shows no significant WF shift under two cycles of dark and illumination cycles.
  • fig. S3. Effect of metal film thickness (Au sputtered on glass) on transmittance of light at a wavelength of 600 nm.
  • fig. S4. Metal thickness effect in case of back illumination.
  • fig. S5. Light and dark IV characteristics.
  • fig. S6. Temperature profile of Au/n-Si under dark and illumination conditions.
  • fig. S7. Effect of the relative position of the sample with respect to the illumination zone.
  • table S1. WF modification in Au, Pt, and W by various chemical methods.
  • Legends for movies S1 and S2
  • References (27–35)

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Other Supplementary Material for this manuscript includes the following:

  • movie S1 (.mp4 format). Surface photocurrents under partial illumination of metal/n-Si.
  • movie S2 (.mp4 format). Sensitivity of photoresponse to the relative position of the sample.

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