Block Copolymer Directed Nanoporous Metal Thin Films

被引:21
作者
Arora, Hitesh [1 ,2 ]
Li, Zihui [1 ,3 ]
Sai, Hiroaki [1 ]
Kamperman, Marleen [1 ]
Warren, Scott C. [1 ,3 ]
Wiesner, Ulrich [1 ]
机构
[1] Cornell Univ, Dept Mat Sci & Engn, Ithaca, NY 14853 USA
[2] Cornell Univ, Sch Chem & Biomol Engn, Ithaca, NY 14853 USA
[3] Cornell Univ, Dept Chem & Chem Biol, Ithaca, NY 14853 USA
关键词
block copolymers; hybrids; metal nanostructures; OXIDES; SILICA;
D O I
10.1002/marc.201000275
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Porous metal thin films have high potential for use in applications such as catalysis, electrical contacts, plasmonics, as well as energy storage and conversion. Structuring metal thin films on the nanoscale to generate high surface areas poses an interesting challenge as metals have high surface energy. In this communication, we demonstrate direct access to nanostructured metal nanoparticle hybrid thin films with high nanoparticle loadings through spin coating of a mixture of block copolymer and ligand stabilized platinum and palladium nanoparticles. Plasma cleaning to remove the organics results in a conductive metal thin film. We expect that the methods described here can be generalized to other metals, mixtures of metal nanoparticles, and intermetallics.
引用
收藏
页码:1960 / 1964
页数:5
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