Controlled Arrangement of Gold Nanoparticles on Planar Surfaces via Constrained Dewetting of Surface-Grafted RAFT Polymer

被引：6
|
作者：
Hendrich, Katharina [1 ]
Peng, Wentao [1 ]
Vana, Philipp [1 ]
机构：
[1] Georg August Univ Gottingen, Inst Phys Chem, Tammannstr 6, D-37077 Gottingen, Germany
来源：
POLYMERS | 2020年 / 12卷 / 06期
关键词：
grafting-to; RAFT polymerization; star polymer; gold nanoparticles; constrained dewetting; nanostructured surfaces; SATELLITE NANOSTRUCTURES; BRUSHES;
D O I：
10.3390/polym12061214
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
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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页数：12
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