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Photo-degradation in Nanocrystalline Porous SiliconBy S.C. Agarwal
Abstract: AbstractWe study the metastabilities created by light soaking (LS) in nanocrystalline porous silicon (nc-PSi), prepared by the electrochemical anodization technique. At first sight, these appear similar to the effects of LS observed in hydrogenated amorphous silicon (a-Si:H) prepared by PECVD (Plasma-enhanced chemical vapor deposition) method. In nc-PSi, the ESR (Electron Spin Resonance) and Raman results indicate the presence of a-Si:H. This suggests a-Si:H as a possible cause of photo-degradation in …
Published in Research & Reviews : Journal of Physics · Vol. 4, Issue 1, 2015 · pp. 22–30 Read article →