2. Experimental
2.1. Materials
All the chemicals were of analytical grade and used without any further
purification. N-hexadecylamine was purchased from Sigma–Aldrich Chemicals
Co. Poly(allylamine hydrochloride) (PAH, MW 70,000 Da) and poly(sodium-pstryrenesulfonate)
(PSS, MW 70,000 Da) were purchased from Alfa Aesar Co., Ltd.