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. 2020 Jun 17;13(12):2756. doi: 10.3390/ma13122756

Table 3.

Elemental analysis of carbon nitrides obtained under various conditions and elemental composition determined from XPS analysis

Synthesis Conditions Precursor Elemental Analysis XPS
Atomic Composition C/N N/C C/H Theoretic Formula C/N Theoretic Formula
N (at.%) C (at.%) H (at.%)
10/550/4 D 46.42 31.86 21.71 0.686 1.457 1.467 C3N4.4H2.0 0.688 C3N4.4
2/600/4 D 46.65 32.42 20.94 0.695 1.439 1.548 C3N4.3H1.9 0.708 C3N4.2
10/600/0 D 47.01 32.65 20.33 0.695 1.440 1.606 C3N4.3H1.9 0.712 C3N4.2
10/600/4 D 47.32 33.08 19.60 0.699 1.431 1.688 C3N4.3H1.8 0.702 C3N4.3
T 46.54 32.33 21.13 0.695 1.440 1.530 C3N4.3H2.0 0.674 C3N4.4
M 47.46 33.05 19.48 0.696 1.436 1.697 C3N4.3H1.8 0.687 C3N4.4