Study on the fluorescence quenching of ZnO by graphene oxide

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 microrod...

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Published inOptoelectronics letters Vol. 12; no. 1; pp. 35 - 38
Main Author 理记涛 杨静 周思华 王少辉 刘奎立 徐春祥
Format Journal Article
LanguageEnglish
Published Tianjin Tianjin University of Technology 2016
Subjects
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Si衬底
X射线衍射
ZnO
发光强度
扫描电子显微镜
氧化石墨
氧化锌
荧光猝灭
Near Band Edge Emission
Vapor Phase Transport
Enlarge Scanning Electron Microscope Image
Graphene Oxide
Near Band Edge
Online AccessGet full text
ISSN1673-1905
1993-5013
DOI10.1007/s11801-016-5217-0

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Summary: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.
Bibliography: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.
LI Ji-tao , YANG Jing, ZHOU Si-hua , WANG Shao-, LIU Kui-Ii, and XU Chun-xiang （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, Nanfing 210096, China）
12-1370/TN
ISSN:1673-1905
1993-5013
DOI:10.1007/s11801-016-5217-0