Chin. Phys. Lett.  2013, Vol. 30 Issue (4): 046202    DOI: 10.1088/0256-307X/30/4/046202
CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
CuO Nanoparticle Modified ZnO Nanorods with Improved Photocatalytic Activity
WEI Ang**, XIONG Li, SUN Li, LIU Yan-Jun, LI Wei-Wei
Key Laboratory for Organic Electronics & Information Displays (KLOEID), Nanjing University of Posts and Telecommunications, Nanjing 210046
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WEI Ang, XIONG Li, SUN Li et al  2013 Chin. Phys. Lett. 30 046202
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Abstract Cupric oxide (CuO) nanoparticles were grown on zinc oxide (ZnO) nanorod (NR) arrays to form ZnO–CuO corn-like composites via a simple two step solution-based method. First, ZnO nanorods were grown on a glass substrate by the hydrothermal method. Afterwards, CuO crystals were photochemically deposited on ZnO NRs using ultraviolet (UV) light irradiation at room temperature. The density and size of CuO nanoparticles (NPs) on ZnO NRs can be controlled by the irradiation time of UV light. The structural and optical properties of ZnO–CuO nanocomposites were characterized by using various techniques such as UV-vis absorption spectroscopy, photoluminescence, scanning electron microscopy, energy dispersive x-ray spectroscopy, and x-ray diffraction. ZnO–CuO nanocomposites show an excellent improvement in photocatalytic characteristics compared to bare ZnO NRs.
Received: 07 January 2013      Published: 28 April 2013
PACS:  62.23.Pq (Composites (nanosystems embedded in a larger structure))  
  72.80.Tm (Composite materials)  
  78.66.Sq (Composite materials)  
  78.67.Bf (Nanocrystals, nanoparticles, and nanoclusters)  
  78.67.Sc (Nanoaggregates; nanocomposites)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/30/4/046202       OR      https://cpl.iphy.ac.cn/Y2013/V30/I4/046202
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WEI Ang
XIONG Li
SUN Li
LIU Yan-Jun
LI Wei-Wei
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