Reversible Surface Properties of Polybenzoxazine/Silica Nanocomposites Thin Films

Table 1

Fitting data from the XPS analyses.

XPS region	Peak assignment	Binding energy (eV)	First thermal treatment	First UV treatment	Second thermal treatment	Second UV treatment
			𝐴𝑓 (%)	𝐴𝑓 (%)	𝐴𝑓 (%)	𝐴𝑓 (%)
C 1s	COH	284.2	17.67	15.37	13.63	15.08
	CH2𝑛	284.7	38.54	27.77	33.49	25.60
	C=C	285.2	36.47	24.44	31.44	23.46
	C–N	286.7	5.5	15.79	10.59	15.70
	C=O	288.5	—	16.62	9.18	19.14
O 1s	O⋯HN	530.8	5.44	—	6.58	—
	C=O	531.4	—	25.92	12.21	20.70
	O⋯HO	532.2	43.56	28.60	29.77	30.02
	OH⋯O	532.7	45.37	45.47	45.73	47.38
	OH⋯N	536.5	5.63	—	3.05	—