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Position‐ and Morphology‐Controlled ZnO Nanostructures Grown on Graphene Layers
Author(s) -
Kim YongJin,
Yoo Hyobin,
Lee ChulHo,
Park Jun Beom,
Baek Hyeonjun,
Kim Miyoung,
Yi GyuChul
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201201966
Subject(s) - materials science , graphene , cathodoluminescence , nanotechnology , nanostructure , photoluminescence , coaxial , morphology (biology) , nanotube , scanning electron microscope , optoelectronics , carbon nanotube , composite material , luminescence , engineering , electrical engineering , biology , genetics
Position‐ and morphology‐controlled ZnO nanostructures are grown on an oxygen plasma‐treated selective area of graphene layers using metal‐organic vapor‐phase epitaxy. The structural and optical characteristics examined by electron microscopy, cathodoluminescence and photoluminescence techniques indicate that high‐quality nanostructures are prepared on graphene layers. This approach to grow the controlled ZnO nanostructures selectively on graphene layers enables us to fabricate various nanodevices including GaN/ZnO coaxial nanotube LED microarrays.