Science Advances

Supplementary Materials

This PDF file includes:

  • Section S1. Raman tensors of MoS2, WS2, WSe2, BP, and PtS2 (high frequency range)
  • Section S2. Scattering of the E1g mode from the body region
  • Section S3. Intensity maps of the MoS2, E2g, and A1g peaks
  • Section S4. Raman spectra of MoS2 from the body region, the armchair edge, and the zigzag edge
  • Section S5. Raman modes and spectra of PtS2
  • Section S6. Analysis on the edge phonons
  • Section S7. Calculation of Iedge = |eiedge·R·esedge|2
  • Section S8. Quantitative computation of Iedge
  • Section S9. Raman spectra in other types of edge sites
  • Section S10. Raman spectra from the MoS2 powder and dispersion samples
  • Table S1. Raman tensors and intensity expressions of layered materials at high frequency range.
  • Fig. S1. Cross-sectional image of the electromagnetic field of the E1g Raman signal.
  • Fig. S2. Intensity maps of the MoS2 E2g, and A1g peaks.
  • Fig. S3. Raman spectra of MoS2.
  • Fig. S4. Raman spectra of PtS2.
  • Fig. S5. Simulated edge phonon modes in the range of 260 to 300 cm−1.
  • Fig. S6. Computation of the forbidden Raman mode intensity at the edge region.
  • Fig. S7. Electric field component of incident light and scattered Raman signal at the edge site of polycrystalline BP.
  • Fig. S8. Incident light, scattered Raman light, and Raman spectra from edge sites where thickness changes.
  • Fig. S9. Raman spectra from powder and dispersion samples.
  • References (3440)

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