期刊
MATERIALS
卷 13, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/ma13020365
关键词
ZnO; graphene oxide; electrodeposition; structure-directing agent
类别
资金
- Romanian National Authority for Scientific Research and Innovation, CNCS-UEFISCDI [PN-III-P1-1.1-TE-2016-1544]
- Escuela Politecnica Nacional [PIMI 15-09]
- Secretaria de Educacion Superior, Ciencia, Tecnologia e Innovacion (SENESCYT) from Ecuador
In this paper, ZnO electrodeposition was studied with the presence of graphene oxide (GO) exploited as a possible structure-directing agent. The effect of deposition potential and duration on the morphology and structure of ZnO was analyzed. The morphology and structure of the hybrids was analyzed by Raman spectroscopy, X-ray diffraction (XRD), and Scanning Electron Microscopy (SEM). The Raman results indicate a successful modification of ZnO with GO sheets and a hybridization threshold of 10 mg L-1 by the evolution of the defect related band of ZnO at 580 cm(-1). The morphology results show that a low GO content only slightly influences the morphology and orientation of ZnO nanostructures while a high content as 10 mg L-1 changes the morphology in nanoplates and growth orientation to lateral. The results show that while GO participated in the deposition reaction, it has a two-fold role, also by structure-controlling ZnO, indicating that the approach is valid for the use of GO as a structure-directing agent for the fabrication of ZnO nanostructures by electrodeposition with varying morphologies and orientations.
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