Highly Ordered Arrays of Nanoparticles in Large Areas from Diblock Copolymer Micelles in Hexagonal Self-Assembly YunSang-Hyun YooSeong Il JungJin Chul ZinWang-Cheol SohnByeong-Hyeok 2006 Highly Ordered Arrays of Nanoparticles in Large Areas from Diblock Copolymer Micelles in Hexagonal Self-Assembly