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- W1971036128 endingPage "5101" @default.
- W1971036128 startingPage "5090" @default.
- W1971036128 abstract "Precise positioning of metallic nanostructures on semiconductor surfaces is important for applications such as photovoltaics, photoelectrocatalysis, metal interconnects, sensing platforms, and many others. In this paper, we demonstrate the utilization of self-assembling diblock copolymer monolayer films, made up of polystyrene-block-poly(2- or 4-vinylpyridine) (PS-b-P2VP or PS-b-P4VP), to spatially direct an aqueous metal reduction reaction on semiconductor surfaces, a process we call galvanic displacement. The diblock copolymer forms hexagonal arrays of spherical micelles consisting of a P2VP or P4VP core surrounded by a PS corona. Two approaches were developed, termed method 1 and method 2, to deliver metal ions to the semiconductor interface in a spatially defined manner utilizing the diblock template. In method 1, a metal complex preloaded into the P4VP cores is spontaneously reduced on the surface to form hexagonally ordered metallic nanoparticles whose structures mirror the parent polymer templates...." @default.
- W1971036128 created "2016-06-24" @default.
- W1971036128 creator A5012967837 @default.
- W1971036128 creator A5058298832 @default.
- W1971036128 date "2007-09-25" @default.
- W1971036128 modified "2023-10-16" @default.
- W1971036128 title "Block Copolymer Templated Chemistry for the Formation of Metallic Nanoparticle Arrays on Semiconductor Surfaces" @default.
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