. Author manuscript; available in PMC: 2009 Jun 1.

Published in final edited form as: Langmuir. 2008 May 29;24(13):6721–6729. doi: 10.1021/la8005772

Table 3.

Atomic Percentage (Composition) of OH- and CH₃-Terminated Au-Alkanethiol SAM Surfaces As Determined by XPS (Mean ± 95% CI, N = 3)

SAM surface	Au (%)	C (%)	S (%)	O (%)
Au—S(CH₂)₁₁-OH	33.1 ± 2.2	56.7 ± 3.0	2.8 ± 2.2	7.5 ± 0.9
Au—S(CH₂)₁₁-CH₃	32.3 ± 3.0	64.9 ± 2.6	2.8 ± 0.9	negligible