期刊
THIN SOLID FILMS
卷 578, 期 -, 页码 7-10出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2015.02.002
关键词
Zinc oxide; Thin films; Magnetron sputtering; Deposition chamber pressure; Nanorods
类别
资金
- National Research Foundation, South Africa [74766]
- ICTP/IAEA STEP programme [SAF/10014]
- MAE
- MIUR (PRIN) [2010N3T9M4]
- MIUR (Progetto Premiale)
Using scanning electron microscopy, atomic force microscopy and X-ray diffraction, we investigated the morphology of ZnO (zinc oxide) films deposited via magnetron sputtering as a function of the chamber's operating pressure. We also studied how ZnO films, when used as templates, influence the morphology of zinc oxide nanorods (ZnONRs) grown using the hydrothermal method. Our work shows that the resultant ZnONRs were strongly affected by the initial ZnO film parameters (nanoparticle (NP) distribution and diameter) and, as a result, it was possible to tailor the final ZnO NR morphology by choosing the appropriate template and synthesis conditions. In particular, we showed that, using the hydrothermal method described here, the final ZnO NR mean diameter increased by similar to 20 nm from the value of the mean diameter of the NPs composing the starting ZnO template film. (C) 2015 Elsevier B.V. All rights reserved.
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