| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Synthesis, Structure and Optical Properties of CdO Nanocrystals Directly Grown on Cd Foil |
| LI Yong1**, LING Hong2, GAO Lei1, SONG Yue-Li1, TIAN Ming-Li1, ZHOU Feng-Qun1 |
1Department of Physics and Solar Energy Research Center, Pingdingshan University, Pingdingshan 467000
2Department of Mathematics and Information Science, North China University of Water Resources and Electric Power, Zhengzhou 450045 |
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| Cite this article: |
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LI Yong, LING Hong, GAO Lei et al 2015 Chin. Phys. Lett. 32 107802 |
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Abstract Semiconductor nanocrystals directly grown on the conducting metal can lower the contact resistance and can benefit the electron transfer between the semiconductor and the metal. In the present work, CdO nanocrystals are directly synthesized on the conducting Cd foil through a simple solvothermal method. Cd foil is used as the Cd2+ source and the substrate. The average size of CdO nanocrystals is ∼23.1 nm by analyzing the XRD data. Moreover the growth mechanism is discussed. A hierarchic structure characterized by the nano rods and nano particles in the top and bottom layers, respectively, can be observed. From the UV-vis absorption analyzed by Tauc's relation, the two different optical band gaps are obtained. The photoluminescence spectrum is obtained and studied.
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Received: 12 May 2015
Published: 30 October 2015
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| PACS: |
78.67.Bf
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(Nanocrystals, nanoparticles, and nanoclusters)
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79.60.Jv
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(Interfaces; heterostructures; nanostructures)
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81.07.Bc
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(Nanocrystalline materials)
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81.16.Be
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(Chemical synthesis methods)
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