Synthesis and Cathodoluminescence Study of Well-Aligned Planar-Tip and Tapered-Tip ZnO Nanorods |
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| Journal | Advances in Science and Technology (Volume 51) |
|---|---|
| Volume | Disclosing Materials at the Nanoscale |
| Edited by | P. VINCENZINI and G. MARLETTA |
| Pages | 38-41 |
| DOI | 10.4028/www.scientific.net/AST.51.38 |
| Citation | J.H. He et al., 2006, Advances in Science and Technology, 51, 38 |
| Online since | October, 2006 |
| Authors | J.H. He, C.W. Wang, K.F. Liao, Lih Juann Chen |
| Keywords | Cathodoluminescence, Nanorod, Zinc Oxide ZnO |
| Abstract | Vertically aligned ZnO nanorods have been synthesized on a-plane sapphire via a metal catalyzed vapor phase transport and condensation process in a two-zone vacuum furnace. Planar-tip ZnO nanorods were synthesized using commercial ZnO and graphite powder as the source of Zn vapor controlled by a simple vapor-liquid-solid (VLS) process. On the other hand, tapered-tip ZnO nanorods were synthesized from pure ZnO powder governed by both VLS and vapor-solid processes. From room temperature cathodoluminescence measurements, planar-tip ZnO nanorods are applicable for room temperature UV nanolasers. |
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