Low-temperature growth of well-aligned ZnO nanorods/nanowires on flexible graphite sheet and their photoluminescence properties |
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| Authors: | Guo Zhong Abul Kalam Ayed Sad Al-Shihri Qingmei Su Jie Li Gaohui Du |
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| Affiliation: | 1. Institute of Physical Chemistry, Zhejiang Normal University, Jinhua 321004, China;2. Department of Chemistry, Faculty of Science, King Khalid University, Abha 61413, P.O. Box 9004, Saudi Arabia;1. Vin?a Institute of Nuclear Sciences, University of Belgrade, Mike Alasa 12-14, 11001 Belgrade, Serbia;2. Polymer Institute Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovak Republic;3. Department of Chemical and Pharmaceutical Sciences, INSTM, Center of Excellence for Nanostructured Materials (CENMAT), University of Trieste, via L. Giorgieri 1, 34127 Trieste, Italy;4. Istituto per lo Studio dei Materiali Nanostrutturati (ISMN-CNR), via Ugo La Malfa 153, I-90146 Palermo, Italy;5. School of Electrical Engineering, University of Belgrade, Bulevar kralja Aleksandra 73, 11120 Belgrade, Serbia;1. School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China;2. National Institute for Materials Science, Sengen 1-2-1, Tsukuba 305-0047, Japan;1. Institut für Theoretische Physik, Ruprecht-Karls-Universität Heidelberg, Philosophenweg 19, D-69120 Heidelberg, Germany;2. Departement Physik, Universität Basel, Klingelbergstrasse 82, 5056 Basel, Switzerland;1. State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, PR China;2. Department of Physics, China Jiliang University, Hangzhou 310018, PR China;1. Department of Materials and Optoelectronic Science/Center for Nanoscience and Nanotechnology, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan, ROC;2. Department of Chemistry, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan, ROC |
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| Abstract: | We have grown large-scale well-aligned ZnO nanorods/nanowires on commercial flexible graphite sheet (FGS) at low temperature via chemical vapor deposition method. The products were characterized by X-ray diffraction, scanning electron microscopy, and high-resolution transmission electron microscopy. The effects of the growth temperature and oxygen flow rate on the morphology of ZnO nanostructures have been investigated. The growth mechanism of ZnO is found to be a self-catalytic vapor–solid process assisted by the immiscibility of ZnO with graphite. The as-grown ZnO/FGS products show strong green emission and their photoluminescence properties can be tuned by changing growth condition or annealing treatment. |
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