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Keywords:

  • ZnO;
  • graphene;
  • nanostructure;
  • nanodevice
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On page 5565, Gyu-Chul Yi and co-workers grow position- and morphology-controlled ZnO nanowalls in prescribed positions on graphene layers. The nanowalls are grown to produce a variety of shapes from simple circles to text at the microscale. The selective growth of high quality ZnO nanowalls is investigated by electron microscopy and optical spectroscopy. The hybrid nanostructure can be exploited to fabricate various nanodevices including microarrays of nanotube LEDs.