. Author manuscript; available in PMC: 2013 Feb 14.

Published in final edited form as: Langmuir. 2012 Jan 30;28(6):3338–3344. doi: 10.1021/la2043153

Table 1.

Relative compositions of organophosphonate-functionalized silicon substrates determined by XPS.

	Silicon	PO₃-C₁₁-OH	PO₃-C₁₁-OH + DVS	PO₃-C₁₁-OH + DVS + 1
Si 2p	48.9 ± 0.8	46.6 ± 0.9	47.4 ± 1.4	33.0 ± 0.3
C 1s	12.4 ± 1.6	20.8 ± 0.4	18.2 ± 1.6	28.4 ± 0.4
O 1s	38.7 ± 0.8	32.5 ± 0.5	34.1 ± 0.4	29.6 ± 0.4
P 2s	n/d	0.3 ± 0.1	0.3 ± 0.1	0.2 ± 0.1
F 1s	n/d	n/d	n/d	6.6 ± 0.5
N 1s	n/d	n/d	n/d	2.2 ± 0.1