Effect of nanoparticle surface functionality on microdomain orientation in block copolymer thin films under electric field |
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Authors: | Joonwon Bae Sang-Ho Cha |
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Affiliation: | 1. Department of Applied Chemistry, Dongduk Women''s University, Seoul 136-714, Republic of Korea;2. Department of Chemical Engineering, Kyonggi University, Suwon 443-760, Republic of Korea |
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Abstract: | The electric field induced microdomain orientations has been an interesting research topic. In this article, the effect of nanoparticle surface functionality on microdomain alignments in block copolymer/nanoparticle hybrid thin films was investigated with transmission electron microscopy experiments. The presence of gold nanoparticles influenced the microdomain orientation behaviors of block copolymer/nanoparticle thin films. The possibility for complete alignment normal to the substrate was illustrated by controlling electric field strength, concentration, and surface ligands of nanoparticles. This work provides basic and essential data to understand the properties and behaviors of emerging block copolymer/nanoparticle hybrid thin films. |
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Keywords: | Nanoparticle Block copolymer Electric field |
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