Study on the fluorescence quenching of ZnO by graphene oxide

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• 作者：Ji-tao Li 理记涛 ; Jing Yang 杨静 ; Si-hua Zhou 周思华 ; Shao-hui Wang 王少辉…
• 刊名：Optoelectronics Letters
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：12
• 期：1
• 页码：35-38
• 全文大小：377 KB
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• 作者单位：Ji-tao Li 理记涛 (1)
  Jing Yang 杨静 (1)
  Si-hua Zhou 周思华 (1)
  Shao-hui Wang 王少辉 (1)
  Kui-li Liu 刘奎立 (1)
  Chun-xiang Xu 徐春祥 (2)
  
  1. School of Physics and Telecommunications Engineering, Zhoukou Normal University, Zhoukou, 466001, China
  2. State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Applied Optics, Optoelectronics and Optical Devices
  Chinese Library of Science
  
• 出版者：Tianjin University of Technology, co-published with Springer-Verlag GmbH
• ISSN：1993-5013

文摘

Zinc oxide (ZnO) microrod arrays were synthesized on Si substrate by a vapor phase transport (VPT) method in a tube furnace. The obtained ZnO microrods are characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The photoluminescence (PL) measurement indicates that the ZnO microrods have a strong ultraviolet (UV) emission centered at ~391 nm and a defect-related emission centered at ~530 nm. After the microrods were coated with graphene oxide (GO), the PL intensity of the hybrid microstructure is quenched compared with that of the bare one at the same excitation condition, and the PL intensity changes with the concentration of the GO. The fluorescence quenching mechanism is also discussed in this work. This work has been supported by the National Natural Science Foundation of China (Nos.11404289, 11404328 and 11547227), the Key Technologies R & D Program of Henan Province (No.142102210642), and the High-level Talents Research and Startup Foundation Projects for Doctors of Zhoukou Normal University (No.ZKNU2015104).