Preparing silver nanoparticles in supercritical water |
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| Authors: | Kai Li Fu-Shen Zhang |
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| Affiliation: | 1. Department of Polymer Science & Engineering, Chosun University, Gwangju 501-759, South Korea;2. Radiation Research Division for Industry and Environment, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup-si, Jeollabuk-do 580-185, South Korea;1. College of Materials Science and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China;2. Key Laboratory for Solid Waste Management and Environment Safety, Ministry of Education of China, Tsinghua University, Beijing 100084, China;3. School of Environment, Tsinghua University, Beijing 100084, China;1. Electronics and Communication Engineering, Graphic Era University, Dehradun, Uttarakhand, India;2. Sharda University, Greater Noida, India;3. School of Mechanical Engineering, Chonnam National University, Gwangju, South Korea;4. Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology, Daegu, South Korea |
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| Abstract: | ![]()
Silver (Ag) nanoparticles were prepared using Ag microparticles as precursors in supercritical water (SCW). The effect of reaction time on preparing Ag nanoparticles was investigated. The obtained products were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM) measurements. The results indicated that, with the increase of reaction time, Ag microparticles prepared by calcination method with the sizes > 2 μm remained after SCW treatment because of their high crystallinity, but those with the sizes < 1 μm were destroyed and formed many Ag nanoparticles due to the destructive effect of SCW. |
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