. Author manuscript; available in PMC: 2013 Jan 10.

Published in final edited form as: Langmuir. 2011 Nov 30;28(1):416–423. doi: 10.1021/la203638g

Table 1.

Ellipsometric thickness and contact angle (θ_A/θ_R) data for five aminosilane layers, prepared in anhydrous toluene at 70 °C for 24 h, before and after exposure to water for 24 h at 40 °C.

		Purity (%)	As prepared		After hydrolysis
		Purity (%)	Thickness (Å)	Contact angle (°)	Thickness (Å)	Contact angle (°)
G1	APTES	99.7	23 ± 4	32/16	8 ± 2	24/14
	APTMS	98.5	25 ± 12	44/17	10 ± 4	26/13

G2	AEAPTES	97.4	282 ± 207	35/12	4 ± 1	30/14
	AEAPTMS	98.3	24 ± 4	54/19	19 ± 6	46/14

G3	AHAMTES	99.7	21 ± 2	48/18	14 ± 4	49/18