Green synthesis of silver-graphene nanocomposite-based transparent conducting film |
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| Institution: | 1. Advanced Nanoengineering Materials Laboratory, Materials Science Programme, Indian Institute of Technology Kanpur, Kanpur, India;2. Advanced Nanoengineering Materials Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur, India;1. School of Materials Science and Engineering, Tsinghua University, Beijing 100084, PR China;2. Institute of Materials, China Academy of Engineering Physics, Mianyang 621907, PR China;3. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450000, PR China;4. State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China;1. School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia;2. School of Distance Education, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia;3. Faculty of Engineering and Technology, Multimedia University, Jalan Ayer Keroh Lama, 75450 Melaka, Malaysia;1. Department of Physics, Indian Institute of Technology Kanpur, Kanpur 208016, India;2. Department of Condensed Matter Physics and Materials Science, Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba, Mumbai 400 005, India;1. State Grid Henan Electric Power Company, Henan, China;2. Electrical Engineering, University of Utah, Salt Lake City, Utah, USA;1. School of Engineering Science, College of Engineering, University of Tehran, Tehran, Iran;2. Nano Robotics Laboratory, Center of Excellence in Design, Robotics & Automation (CEDRA), School of Mechanical Engineering, Sharif University of Technology, Tehran, Iran;3. School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran;1. Trace Elements Speciation Research Laboratory, Environmental and Analytical Chemistry Division, School of Advanced Sciences, VIT University, Vellore 632014, India;2. Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan, ROC |
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| Abstract: | 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 °C for 1 h marks the best performance of fabricated film with sheet resistance of ~3.4 kΩ/□ and transmittance (550 nm) of ~66.40%, respectively. |
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| Keywords: | Graphene Silver Nanocomposite Reducing agent Sheet resistance Transmittance |
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