Table 1.

Analysis of XPS data of as-prepared multilayer GO-SH LB films from different subphase^a

GO-SH LB Films	C [at.%]	N [at.%]	S [at.%]	N/C ratio [%]	S/C ratio [%]
Pure water	44.03	5.61	1.57	12.7	3.57
DA subphase with UV light	31.47	3.01	0.54	9.56	1.72

^aValues calculated from integrated area in XPS data in Fig. 6