期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 31, 期 24, 页码 2146-2150出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201000411
关键词
catalyst-transfer polycondensation; conjugated polymers; fluorescence; polyelectrolytes; polymer brush; sensors
资金
- DFG [KI-1094/3-1, KI-1094/4-1]
A 'grafting- from' approach to synthesize microparticle-supported conjugated polyelectrolyte brushes is presented. Poly(3-bromohexylthiophene) is selectively grown from monodisperse organosilica microparticles by surface-initiated Kumada catalyst-transfer polycondensation (SI-KCTP) and then ionizable amino groups are introduced by a two-step polymer analogous transformation. Optical properties of the resulting microparticle-supported conjugated polyelectrolyte brushes were found to be dependent on the surrounding chemical environment and thus the particles are promising materials for sensor applications.
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