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HomeKey Engineering MaterialsKey Engineering Materials Vols. 609-610ZnO/Graphene Composites: Synthesis,...

ZnO/Graphene Composites: Synthesis, Characterization and Optical Properties

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Abstract:

ZnO/graphene composites has been synthesized using a one-pot hydrothermal method at moderate temperature of 90°C. Hydrothermal growth was done in an aqueous solution consisting of 20 mL graphene oxide (GO) solution (0.25 mg/mL) with equimolar of zinc acetate [ZAc, Zn (CH₃COO)₂·2H₂ and hexamethylenetetramine (HMTA, C₆H₁₂N₄). The as-synthesized composites was characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and Raman spectroscopy. The results of the characterization indicate that GO was reduced to graphene in the growth process, while ZnO in the form of quantum dots (QDs) or nanoparticles embedded in the graphene sheet. The composites synthesized by this method will have potential applications in bioimaging, gas sensing, optoelectrical materials and devices. The photoluminescence (PL) of the conposites was also investigated.

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Periodical:

Key Engineering Materials (Volumes 609-610)

Pages:

76-81

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.609-610.76

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Online since:

April 2014

Authors:

Ling Wei Hu*, Hua Tian, Yu Xia Zhang, Kun Lu, Ai Hua Jing

Keywords:

Composite, Graphene, Optical Property, ZNO

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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