Table 3 Deconvolution analysis data for the O1s spectrum.

From: Two Sprayer CVD Synthesis of Nitrogen-doped Carbon Sponge-type Nanomaterials

Sample

O1s-XPS

Gravity center

FWHM

Integrated area %

S1

FeOOH

C-O

C=O

530.69

532.18

533.44

0.76

1.41

1.72

4.4

61.5

34.1

S2

FeOOH

C-O

C=O

530.79

531.97

532.96

1.93

1.28

1.29

14.2

71.2

14.7

S3

FeOOH

C-O

C=O

530.64

532.15

533.59

1.28

1.20

1.49

13.3

20.3

66.4

S4

FeOOH

C-O

C=O

531.04

532.32

533.61

0.94

1.45

1.44

6.6

52.7

40.7

S5

C-O

C=O

532.12

533.50

1.66

1.89

59.8

40.2

S6

C-O

C=O

532.01

533.48

1.78

1.37

71.3

28.7

  1. Results for samples S1, S2, S3, S4, S5, and S6. The C-O bonds may be attributed to the presence of ethoxy or hydroxyl groups. The presence of the C=O bond signal suggests the presence of ester, carbonyl, or carboxyl groups.
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