Table 2

Surface elemental composition and XPS binding energies of FT-1, FT-2, and FT-3

Chemical composition (%); in parentheses, binding energy (eV)

Atomic ratio

Samples

Ti 2p

Fe 2p

O 1s

N 1s

Si 2p

Ti/Fe

O/FeTi

FT-1

2.87

(457.7)

1.38

(709.2)

29.08

(529.4)

3.96

(400.3)

3.80

(101.5)

2.08

6.84

FT-2

4.72

(457.8)

1.25

(709.3)

27.13

(529.5)

4.10

(401.2)

2.60

(101.0)

3.78

4.54

FT-3

5.75

(458.3)

1.02

(710.0)

33.53

(530.0)

4.38

(400.7)

5.48

(101.4)

5.63

4.95

Wu et al. Nanoscale Research Letters 2011 6:533   doi:10.1186/1556-276X-6-533