Modeling emissivity of rough and textured silicon wafers

Bhushan L. Sopori, Wei Chen, S. Abedrabbo, N. M. Ravindra

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


A method for calculating the emissivity of Si wafers with planar and nonplanar (such as rough or textured) surface morphologies is described. The technique is similar to that used in modeling of light trapping in solar cells and is also applicable to those cases when the wafer may have thin dielectric or metal layers. A software package is developed that uses this method. This package includes an approach for calculating the refractive index and absorption coefficient as a function of wavelength, for various temperatures and dopant concentrations. We present results for a number of cases to demonstrate the applications of this model.

Original languageEnglish (US)
Pages (from-to)1341-1346
Number of pages6
JournalJournal of Electronic Materials
Issue number12
StatePublished - Dec 1998

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry


  • Absorption coefficient
  • Emissivity
  • Refractive index
  • Silicon wafers
  • Surface roughness


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