期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 25, 期 23, 页码 1979-1983出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200400397
关键词
atom-transfer radical polymerization (ATRP); monolayers; pattern; surface-initiated polymerization
The communication provides a novel and alternative route to generate chemically tethered binary polymer-brush pattern through two-step surface-initiated atomic-transfer radical polymerization (SI-ATRP). Polymer brush-1 was prepared by SI-ATRP, passivated by a reaction with NaN3, and etched with UV irradiation through a transmission electron microscopy grid to create exposed sites for the subsequently attached initiator on which polymer brush-2 was grown.
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