Surface States and Photoluminescence From Porous Silicon

Authors Md. Nazrul Islam1, Satyendra Kumar2
Affiliations
1 System Reliability Area, Space Applications Centre (ISRO), Jodhpur Tekra, Ambawadi Vistar P.O., Amhedabad – 380058, India
2 Department of Physics, Indian Institute of Technology, Kanpur Kanpur – 208016, India
Е-mail [email protected]
Issue Volume 3, Year 2011, Number 1, Part 5
Dates Received 04 February 2011, published online 08 December 2011
Citation Md. Nazrul Islam, Satyendra Kumar, J. Nano- Electron. Phys. 3 No1, 910 (2011)
DOI
PACS Number(s) 78.55.Mb, 78.67.Bf
Keywords Porous silicon (3) , Photoluminescence (17) , Quantum confinement (5) , Surface states, Raman scattering (4) .
Annotation
Photoluminescence (PL) spectra of freshly electrochemically etched porous silicon layers anodized under various condition have been measured and analyzed according to quantum confinement (QC) model and surface state models. The results support the combination of QC and surface state models for visible PL from fresh PS layers.

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