期刊
POLYMERS
卷 12, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/polym12061214
关键词
grafting-to; RAFT polymerization; star polymer; gold nanoparticles; constrained dewetting; nanostructured surfaces
资金
- Deutsche Forschungsgemeinschaft (DFG) within the Collaborative Research Center (Sonderforschungsbereich) 937 Collective behavior of soft and biological matter) [A05]
- [INST 186/1275-1]
Linear and four-arm star polystyrene samples prepared by RAFT polymerization were grafted to gold surfaces directly via their thiocarbonylthio-end groups. Nanoscale polymer patterns were subsequently formed via constrained dewetting. The patterned polymer films then served as a template for the precise arrangement of gold nanoparticles in a monolayer with a well-defined and regular structure. Using star polymers as a linker between the planar gold surface and the particles, the structural stability of the arranged particles can be further enhanced. The surface-bound nanocomposite films made of polymer and nanoparticles can also reversibly switch their nanostructures by simple wetting or dewetting treatment.
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