Abstract

SERS results confirmed that the 2-vinylpyridine (2VP) block preferentially adsorbed to the surfaces while the styrene block was positioned away from the surfaces. The results obtained from angle-resolved X-ray photoelectron spectroscopy were consistent with those obtained from SERS. It was concluded that poly(2-vinylpyridine) and the 2VP block of diblock copolymers were adsorbed by σ-bonding through the pyridine nitrogen atoms with a vertical conformation

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