Through the articles and video I've seen in the quantification of elements by XPS survey of Si based materials, I noticed that only Si 2p is quantified. Why Si 2s is ignored?
Thanks for any reply.
You can quantify on the Si(2s) instead of the the Si(2p) if desired as the area will be adjusted for the orbital sensitivity factor.
However to relate exactly to your question, if you quantified the Si(2s) AND the Si(2p) then you would be broadly doubling the amount of Si you have in your sample - so getting an eroneous result. Its the same for any element - you only quantify one (usually the most intense) set of peaks
Nayad Abdallah
See the binding energy for silicon 2s
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