Effects of Substrate Temperature and RF Power on the Formation of Aligned Nanorods in ZnO Thin Films

Title
Effects of Substrate Temperature and RF Power on the Formation of Aligned Nanorods in ZnO Thin Films
Author(s)
Sudhakar Shet[Sudhakar Shet]안광순Ravindra Nuggehalli[Ravindra Nuggehalli]Yanfa Yan[Yanfa Yan]John Turner[John Turner]Mowafak Al-Jassim[Mowafak Al-Jassim]
Keywords
SENSITIZED SOLAR-CELLS; PHOTOELECTROCHEMICAL PROPERTIES; HYDROGEN GENERATION; WATER; GROWTH; TIO2; PHOTOCATALYSIS; ENHANCEMENT; ELECTRODES; DEPOSITION
Issue Date
201006
Publisher
SPRINGER
Citation
JOM, v.62, no.6, pp.25 - 30
Abstract
We report on the ejects of substrate temperature and RE power on the formation of aligned nanorod-like morphology in ZnO thin films. ZnO thin films were sputter-deposited in mixed Ar and N(2) gas ambient at various substrate temperatures and RE powers. We find that the substrate temperature plays more important role than RE power in the formation of ZnO nanorod-like morphology. At low substrate temperatures (below 300 degrees C), ZnO nanorod-like morphology does not form regardless of RF powers. High RE power helps to promote the formation of aligned ZnO nanorod-like morphology. However; lower RE powers usually lead to ZnO films with better crystallinity at the same substrate temperatures in mixed Ar and N(2) gas ambient and therefore better photoelectrochemical response.
URI
http://hdl.handle.net/YU.REPOSITORY/22390
ISSN
1047-4838
Appears in Collections:
공과대학 > 화학공학부 > Articles
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