Solvent effect on microstructure of yttria-stabilized zirconia (YSZ) particles in solvothermal synthesis |
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| Affiliation: | 1. Manchester Materials Science Centre, University of Manchester, Grosvenor Street, Manchester M1 7HS, UK;2. State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 DingXi Road, Shanghai 200050, PR China;1. Department of Materials Engineering, Isfahan University of Technology, P.O. Box. 84156-83111, Isfahan, Islamic Republic of Iran;2. Department of Materials Engineering, Malek Ashtar University of Technology, Isfahan, Shahin-shahr, Islamic Republic of Iran;3. Young Researchers and Elite Club, Kashan Branch, Islamic Azad University, Kashan, Iran;1. Department of Energy Conversion and Storage, Technical University of Denmark (DTU), Frederiksborgvej 399, Roskilde, DK 4000, Denmark;2. Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas, Universidade Federal do ABC Av. dos Estados 5001, Santo André, SP 09210-580, Brazil;1. Laboratory of Powder Technology, École Polytechnique Federale de Lausanne, CH-1015, Switzerland;2. Centre Interdisciplinaire de Microscopie Electronique, École Polytechnique Federale de Lausanne, CH-1015, Switzerland;3. Electron Microscopy and Spectrometry Laboratory, École Polytechnique Federale de Lausanne, CH-1015, Switzerland;1. Research Associate, Department of Prosthetic Dentistry, University Hospital, Ludwig-Maximilians-University, Munich, Germany;2. Scientific Head of Dental Material Unit, Department of Prosthetic Dentistry, Dental School, Ludwig-Maximilians-University Munich, Germany;1. Nano functional Materials Lab, Department of Physics, Cochin University of Science and Technology, Kochi 682022, Kerala, India;2. Department of Physics, Indian Institute of Technology Bombay, Mumbai 400076, India |
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| Abstract: | Using methanol or methanol/2-propanol mixtures as reaction media, yttria-stabilized zirconia (YSZ) particles were synthesized with a solvothermal route. The particles were characterized with X-ray diffractometry (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), laser diffraction technique, and nitrogen adsorption isotherms. Results indicated that cubic/tetragonal YSZ nanocrystals with crystal size lower than 5 nm were obtained and the crystal size depends on solvent composition, reaction temperature and reaction time. For the same reaction temperature and reaction time, the solvent composition also controls YSZ crystal agglomeration behaviour. According to the DLVO theory and analysis of experimental results, the solvent effect on microstructures of YSZ particles in solvothermal synthesis has been discussed. In addition, the mechanism of particle microstructure evolution during solvothermal synthesis has been suggested. |
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