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A Universal Approach to Fabricate Various Nanoring Arrays Based on a Colloidal‐Crystal‐Assisted‐Lithography Strategy
Author(s) -
Sun Zhiqiang,
Li Yang,
Zhang Junhu,
Li Yunfeng,
Zhao Zhihui,
Zhang Kai,
Zhang Gang,
Guo Jinrui,
Yang Bai
Publication year - 2008
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.200801103
Subject(s) - nanoring , polystyrene , materials science , nanotechnology , colloidal crystal , nanosphere lithography , magnetite , composite number , nanoparticle , layer (electronics) , polymer , chemical engineering , colloid , composite material , fabrication , metallurgy , medicine , alternative medicine , pathology , engineering
In this paper a convenient and universal strategy for preparing nanoring arrays of different compositions based on a colloidal‐crystal‐template strategy is reported. Large‐area arrays of polystyrene, magnetite, Au, Si, magnetite nanoparticle/polystyrene and Au/polystyrene double‐layer composite nanorings are prepared. Many kinds of nanoring structures, including Fe 3 O 4 nanoparticle/polystyrene and Au/polystyrene double‐layer nanorings, can be released from the substrates, resulting in free‐standing composite nanorings, which might be used as self‐assembly building blocks and ultrasensitive bio‐ and chemical sensors.