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Different coloration of the nanostructured silicon surface upon plasma-assisted etching


The effects of changes in the color of silicon plates with nanostructured surfaces versus the features of nanostructures are investigated. Vertical nanostructures with high aspect ratios are constructed via anisotropic two-stage plasma-assisted etching (Bosch process). The surface coloration is explained by the fact that incident radiation is partly trapped by waveguide edge modes and its remaining part is scattered at the surface. The surface-film color is related to the positive and negative curvature of the nanostructures formed as a result of the plasma-assisted process.

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Correspondence to A. A. Zalutskaya.

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Original Russian Text © A.A. Zalutskaya, A.V. Prokaznikov, 2014, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, 2014, No. 6, pp. 86–92.

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Zalutskaya, A.A., Prokaznikov, A.V. Different coloration of the nanostructured silicon surface upon plasma-assisted etching. J. Synch. Investig. 8, 595–601 (2014).

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  • Surface Investigation
  • Neutron Technique
  • Waveguide Mode
  • Edge Mode
  • Silicon Plate