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. Author manuscript; available in PMC: 2015 Aug 14.
Published in final edited form as: J Mater Chem B. 2014 Jun 27;2(30):4794–4801. doi: 10.1039/C4TB00597J

Table 1.

Water contact angles and the percentage of surface -OH on OH/CH3 mixed SAMs.

SAMs
-OH/-CH3
(v/v solution)		 Water contact
angle
θ (°)		 -OH (surface)
%		 O(1s)/C(1s)
-OH 22.8±1.1 100 0.1505±0.021
9/1 46±1.6 82.65±0.37 0.1405±0.026
7/3 73.0±0.5 39.56±0.52 0.1167±0.003
5/5 89.4±1.6 27.97±0.73 0.0673±0.029
3/7 98.1±1.8 16.56±0.28 0.0401±0.017
-CH3 107.1±0.7 0 0.0448±0.010