Patterned Diblock Co-Polymer Thin Films as Templates for Advanced Anisotropic Metal Nanostructures

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• 作者：Stephan V. Roth ; Gonzalo Santoro ; Johannes F. H. Risch ; Shun Yu ; Matthias Schwartzkopf ; Torsten Boese ; Ralph D枚hrmann ; Peng Zhang ; Bastian Besner ; Philipp Bremer ; Dieter Rukser ; Michael A. R眉bhausen ; Nick J. Terrill ; Paul A. Staniec ; Yuan Yao ; Ezzeldin Metwalli ; Peter M眉ller-Buschbaum
• 刊名：ACS Applied Materials & Interfaces
• 出版年：2015
• 出版时间：June 17, 2015
• 年：2015
• 卷：7
• 期：23
• 页码：12470-12477
• 全文大小：388K
• ISSN：1944-8252

文摘

We demonstrate glancing-angle deposition of gold on a nanostructured diblock copolymer, namely polystyrene-block-poly(methyl methacrylate) thin film. Exploiting the selective wetting of gold on the polystyrene block, we are able to fabricate directional hierarchical structures. We prove the asymmetric growth of the gold nanoparticles and are able to extract the different growth laws by in situ scattering methods. The optical anisotropy of these hierarchical hybrid materials is further probed by angular resolved spectroscopic methods. This approach enables us to tailor functional hierarchical layers in nanodevices, such as nanoantennae arrays, organic photovoltaics, and sensor electronics.