How can you accurately determine the binding energy of the C-C/C=C peak of graphene oxide from the C1s region in XPS? Is it possible to identify accurate shifts of 0.1-0.2 eV reliably with a calibrant?
I'd welcome help on this ，but I'm not really good at this.My teacher may be able to help you.His name is Zhi Liu ，Once worked at ALS ,GOOD at APXPS. GOOD LUCK!https://www.researchgate.net/profile/Zhi_Liu41
From the peak position of C 1s in XPS spectra you could accurately determine the binding energies. In order to find the accurate position, you need to calibrate with the standard system (like Au 4f region). Now, is it possible to identify the minute shift in the range of 0.1 or 0.2 eV is solely depend on the instrument's energy resolution and it is found the best energy resolution attainable is still approximately 0.3 eV (day-to-day ~0.5 eV).
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