期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 30, 期 15, 页码 1345-1349出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200900111
关键词
block copolymers; nanotemplates; nanoring arrays; self assembly
Ultrahigh-density carbon nanoring arrays on a silicon wafer are achieved by a novel templated solution deposition method. Initially the silica nanodot arrays obtained from a nanoporous thin film are used as a template to direct the surface dewetting of a phenolic precursor, while further curing and calcination of the phenolic precursor, followed by etching of the silica arrays, results in large area carbon nanoring arrays with a diameter as small as 25 nm. This study provides a simple and robust chemical route to fabricate complex nanoring arrays with ultrahigh density of about one terabit per square inch.
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