Synthesis of Fluorescent Carbon Dots by Gastrointestinal Fluid Treatment of Mongolia Har Gabur

Table 1

X-ray photoelectron spectroscopy (XPS) spectra of the C-dots.

Name	Start BE	Peak BE	End BE	Height	CPS area (P) CPS.eV	Atomic %
C1s	2.9 × 10^2	2.8 × 10^2	2.8 × 10^2	8.4 × 10^4	3.5 × 10^5	60.8
O1s	5.4 × 10^2	5.3 × 10^2	5.2 × 10^2	1.0 × 10^5	3.6 × 10^5	25.0
N1s	4	4 × 10^2	3.9 × 10^2	1.9 × 10^4	6.5 × 10^4	7.2
Si2p	1.1 × 10^2	1 × 10^2	0.9 × 10^2	8 × 10^3	2.5 × 10^4	4.6
Na1s	1.1 × 10^3	1.1 × 10^3	1.1 × 10^2	9.8 × 10^3	3.8 × 10^4	1.1
Cl2p	2 × 10^2	2 × 10^2	1.9 × 10^2	1.4 × 10^3	7.8 × 10^3	0.5
P2p	1.4 × 10^2	1.3 × 10^2	1.3 × 10^2	1.7 × 10^3	6 × 10^3	0.7
C1s	3 × 10^2	2.8 × 10^2	2.8 × 10^2	2 × 10^4	5 × 10^4	0