期刊
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
卷 88, 期 -, 页码 169-173出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physe.2017.01.009
关键词
Ti-doped ZnO nanorod; Growth Time; EFTEM; Chemical Bath Deposition
资金
- Institute of Postgraduate Studies (IPS), Universiti Sains Malaysia (USM) Fellowship
- Institute of Nano-optoelectronics Research AMP
- Technology Laboratory (INOR) [1001/CINOR/811239]
Ti-doped ZnO nanorod arrays were grown onto Si substrate using chemical bath deposition (CBD) method at 93 degrees C. To investigate the effect of time deposition on the morphological, and structural properties, four Ti-doped ZnO samples were prepared at various deposition periods of time (2, 3.5, 5, and 6.5 h). FESEM images displayed high-quality and uniform nanorods with a mean length strongly dependent upon deposition time; i.e. it increases for prolonged growth time. Additionally, EFTEM images reveal a strong erosion on the lateral side for the sample prepared for 6.5 h as compared to 5 h. This might be attributed to the dissolution reaction of ZnO with for prolonged growth time. XRD analysis confirms the formation of a hexagonal wurtzite-type structure for all samples with a preferred growth orientation along the c-axis direction. The (100) peak intensity was enhanced and then quenched, which might be the result of an erosion on the lateral side of nanorods as seen in EFTEM. This study confirms the important role of growth time on the morphological features of Ti-doped ZnO nanorods prepared using CBD.
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