Abstract
This work contributes to a new protocol of patterning gold nanoparticles (NPs) via secondary phase-separation of micelle template of PS-b-P2VP-b-PEO block copolymer. The immiscibility between hydrophobic PS and hydrophilic P2VP and PEO leads to a bulk phase-separation in large compound micelles (LCMs) when heated at the temperature of 130°C. The bulk-separated template then constitutes an ideal precursor for Au NPs loading by an immersion in an aqueous solution bath of chloroauric acid such that the primed P2VP domains would coordinate to the charged [AuCl4]− through electrostatic interactions. With the following treatment of air plasma, pseudo-hexagonal nanopatterns are created with Au NPs on P2VP matrix.
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