期刊
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
卷 90, 期 -, 页码 76-84出版社
ELSEVIER
DOI: 10.1016/j.physe.2017.03.015
关键词
Graphene; Silver; Nanocomposite; Reducing agent; Sheet resistance; Transmittance
资金
- Indian Institute of Technology Kanpur, India
In the present work, silver nanoparticles (Ag NPs)/graphene nanocomposite has been synthesized successfully by simple solvothermal method via green route. Citric acid is used as green reducing agent for the reduction of graphene oxide (GO) and Ag ions. Silver nitrate is used as a precursor material for Ag NPs. As synthesized Ag NPs/graphene nanocomposite has been characterized by X-ray diffraction, Raman spectroscopy, Fourier transform infra-red spectroscopy, UV-vis spectroscopy, thermal gravimetric analysis, field emission scanning electron microscopy, and X-ray photoelectron spectroscopy. Experimental results confirm the reduction of GO and the successful formation of Ag NPs decorated graphene nanosheets. In addition, spray coating technique is employed for the fabrication of transparent conducting films. Enhancement in the optoelectrical signatures has been achieved using thermal graphitization of fabricated films. Thermal graphitization at 800 degrees C for 1 h marks the best performance of fabricated film with sheet resistance of similar to 3.4 k Omega/square and transmittance (550 nm) of 66.40%, respectively.
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