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题名: Highly Tunable Complementary Micro/Submicro-Nanopatterned Surfaces Combining Block Copolymer Self-Assembly and Colloidal Lithography
作者: Chang, Tongxin1, 2; Du, Binyang3, 4; Huang, Haiying1, 2; He, Tianbai1, 2
关键词: block ; copolymer ; self-assembly ; micro/submicro-nanopattern ; colloidal lithography ; metal nanoarray ; complementary structure
刊名: ACS APPLIED MATERIALS & INTERFACES
发表日期: 2016-08-31
卷: 8, 期:34, 页:22705-22713
收录类别: SCI
英文摘要: Two kinds of large-area ordered and highly tunable micro/submicro-nanopatterned surfaces in a complementary manner were successfully fabricated by elaborately combining block copolymer self assembly and colloidal lithography. Employing a monolayer of polystyrene (PS) colloidal spheres assembled on top as etching mask, polystyrene-block-poly(4-vinylpyridine) (PS=b-P2VP) or polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP) micelle films were patterned into micro/submicro patches by plasma etching, which could be further transferred into micropatterned metal narroarrays by subsequent metal precursor loading and a second plasma etching. On the other hand, micro/submicro-nanopatterns in a complementary manner were generated via preloading a metal precursor in initial micelle films before the assembly of PS colloidal spheres on top. Both kinds of micro/submicro-nanopatterns showed good fidelity at the micro/submicroscale and nanoscale; meanwhile, they could be flexibly tuned by the sample and processing parameters. Significantly, when the PS colloidal sphere size was reduced to 250 nm, a high-resolution submicro-nanostructured surface with 3-5 metal nanoparticles in each. patch or a single-nanoparticle interconnected honeycomb network was achieved. Moreover, by applying gold (Au) nanopartides as anchoring points, micronanopatterned Au arrays can serve as a flexible template to pattern bovine serum albumin (BSA) molecules. This facile and cost-effective approach may provide a novel platform for fabrication of micropatterned nanoarrays tunability and controllability, which are promising in the applications of biological and microelectronic fields.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35374
Appears in Collections:高分子物理与化学实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Zhejiang Univ, Dept Polymer Sci & Engn, MOE Key Lab Macromol Synth & Functionalizat, Hangzhou 310027, Peoples R China
4.Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China
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