Synthesis, Characterization, and Photocatalytic Activity of TiO₂ Microspheres Functionalized with Porphyrin

Table 1

XPS data for APTCPP-MPS-TiO₂.

Orbit	Binding energy (eV)	FEHM	Content (atom%)
Ti2p3/2	458.76	1.16	16.56
C1s	284.82	1.87	27.99
O1s	530.28	1.38	49.41
Si2p	101.48	1.36	1.96
S2p	163.29	1.97	1.62
N1s	401.94	1.51	6.46

FWHM: full width at a half of the maximum height of peaks. BE: binding energy.