Article

Journal of Materials Science: Materials in Electronics

, Volume 19, Issue 8, pp 760-763

First online:

Morphology control of 1D ZnO nanostructures grown by metal-organic chemical vapor deposition

  • Dong Chan KimAffiliated withSchool of Advanced Materials Science and Engineering, Sungkyunkwan University
  • , Bo Hyun KongAffiliated withSchool of Advanced Materials Science and Engineering, Sungkyunkwan University
  • , Hyung Koun ChoAffiliated withSchool of Advanced Materials Science and Engineering, Sungkyunkwan University Email author 

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Abstract

The morphology of ZnO nanostructures grown by metal-organic chemical vapor deposition under various growth conditions was examined by scanning electron microscopy. An increase in the growth temperature resulted in the formation of 1D nanostructures with diameters decreasing with increasing temperature. Vertically aligned nanorods with a needle-like tip shape were grown on a previously deposited homo-seed layer. Also the seed layer reduced the growth temperature of 1D nanorods. Low-temperature growth posterior to nanorod growth resulted in the formation of nanorods with an inverted graded diameter.