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Photoluminescence from nano porous silicon prepared by photoelectrochemical etching of n-type single crystalline silicon

  • Chi-Woo Lee (a1), Buem-Suck Kim (a1), Dong-Il Kim (a1), Nam-Ki Min (a1) and Suk-In Hong (a2)...

Abstract

The influence of operating parameters in producing light-emitting porous silicon materials was investigated in ethanolic solutions of hydrofluoric acid. Photoluminescence spectra depended on applied potential, the intensity and wavelength of illumination, and electrolyte concentration. When the applied potential and the illumination wavelength increased, the photoluminescence shifted to longer wavelength. Change in HF concentration resulted in different intensity in photoluminescence.

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Photoluminescence from nano porous silicon prepared by photoelectrochemical etching of n-type single crystalline silicon

  • Chi-Woo Lee (a1), Buem-Suck Kim (a1), Dong-Il Kim (a1), Nam-Ki Min (a1) and Suk-In Hong (a2)...

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