Table 3.

Deconvolution of X-ray photoelectron spectroscopy (XPS) C1s and O1s core-level spectra of initial and plasma-treated PET films.

Sample	Atom Level	Peak Energy, eV	Atomic, %	Bond
PET	C1s	284.7	63	C−C/C−H
		286.3	20	C−O
		288.7	17	O=C–O
	O1s	531.7	43	O=C
		533.3	57	С–О
PET-AC	C1s	284.7	56	C−C/C−H
		286.4	25	C−O
		288.7	19	O=C–O
	O1s	531.5	40	O=C
		533.0	60	С–О
PET-cathode	C1s	284.7	56	C−C/C−H
		286.3	26	C−O
		288.7	18	O=C–O
	O1s	531.7	33	O=C
		533.2	67	С–О
PET-anode	C1s	284.7	65	C−C/C−H
		286.3	22	C−O
		288.7	13	O=C–O
	O1s	532.0	67	O=C
		533.3	33	С–О