US-Egypt Cooperative Research: Plasma-Assisted Chemical Vapor Synthesis versus Conventional Synthesis Methods of Advanced Ceramic Nanopowders

美国-埃及合作研究：先进陶瓷纳米粉末的等离子体辅助化学气相合成与传统合成方法

• 批准号: 1445577
• 负责人: H. Y. Sohn
• 金额: $ 11.22万
• 依托单位: University of Utah
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-10-01 至 2017-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1445577&HistoricalAwards=false
• 关键词: US; Egypt; Cooperative; Research; Plasma

This project supports a cooperative research project by Dr. H.Y. Sohn of the University of Utah, Salt Lake City, Utah and Mohamed Khedr fo the Beni-Suef University, Beni Suef, Egypt. They plan to study "Plasma-Assisted Chemical Vapor Synthesis versus Conventional Synthesis Methods of Advanced Ceramic Nanopowders." The research techniques will be applied to nanosized ceramic oxide powders which have important applications as advanced materials in many technological areas such as electronics, energy conversion, aircraft, catalysis, and structural materials. Improving the synthetic methods to prepare these materials will promote their cost-effective use in the many applications that rely on attractive properties such as high catalytic and electro-catalytic activity, superior mixing characteristics required for use in a host of applications such as coatings and fillers, enhanced sintering properties, and superior electronic and optical properties.The Chemical Vapor Synthesis (CVS) process for producing nanoparticles provides unique features that are often difficult to achieve with more conventional synthesis techniques, producing uniformly sized nanoparticles that also possess highly uniform compositions. This project aims to compare the properties of the materials prepared by the plasma vapor synthsis method with materials prepared using conventional methods. The proposed work will apply a plasma reactor to CVS of nanosized oxide powders as well as using an electrical resistance heated furnace. The oxide nanopowders made by the plasma-assisted CVS process will be carefully characterized to determine their properties for a range of applications. In the U.S. partner's laboratory, the CVS method has been applied to the synthesis of metallic and intermetallic fine powders and these results provide confidence that the process can be advantageously applied to the synthesis of useful ceramic powders. The research will contribute to the increased development of the plasma-assisted chemical vapor synthesis process as an advanced tool for producing many useful materials. The project will also promote the training of young scientists in this field, especially providing training opportunities for underrepresented groups in the U.S. and junior scientists in Egypt. The PI will actively recruit women and other minority students to assist in the performance of the project. Participants from both the U.S. and Egypt will also gain experience on international collaboration by mutual visits and exchange of ideas. The results of the proposed activities is expected to be disseminated broadly through conferences and publications, promoting applications of this technology that will benefit the scientific community and the general public. This project is funded through the US-Egypt Joint Science and Technology Fund Program. Support for the U.S. side of these cooperative projects is provided to the National Science Foundation by the U.S. Department of State. The Egyptian Government provides support for the Egyptian side of the collaboration.

该项目支持H.Y.博士的合作研究项目。位于犹他州湖城的犹他州大学的Sohn和位于埃及贝尼苏夫的贝尼苏夫大学的Mohamed Khedr。他们计划研究“等离子体辅助化学气相合成与先进陶瓷纳米粉末的传统合成方法”。“这些研究技术将应用于纳米陶瓷氧化物粉末，这些粉末作为先进材料在电子、能源转换、飞机、催化和结构材料等许多技术领域具有重要应用。改进制备这些材料的合成方法将促进它们在依赖于有吸引力的性能的许多应用中的成本有效的使用，所述有吸引力的性能例如高催化和电催化活性，用于许多应用例如涂料和填料中所需的上级混合特性，增强的烧结性能，化学气相合成法（CVS）是一种新型的纳米晶材料，具有优良的上级电学和光学性能。制备纳米颗粒的方法提供了通常难以用更常规的合成技术实现的独特特征，产生尺寸均匀的纳米颗粒，其也具有高度均匀的组成。本计画旨在比较电浆气相沉积法与传统方法所制备材料的性质。拟议的工作将适用于等离子体反应器的CVS的纳米尺寸的氧化物粉末，以及使用电阻加热炉。通过等离子体辅助CVS工艺制成的氧化物纳米粉末将被仔细表征，以确定它们在一系列应用中的特性。在美国合作伙伴的实验室中，CVS方法已被应用于金属和金属间化合物细粉末的合成，这些结果提供了信心，该工艺可以有利地应用于有用的陶瓷粉末的合成。这项研究将有助于等离子体辅助化学气相合成工艺的发展，作为生产许多有用材料的先进工具。该项目还将促进该领域年轻科学家的培训，特别是为美国代表性不足的群体和埃及的初级科学家提供培训机会。公共教育学院将积极招收妇女和其他少数民族学生，以协助实施该项目。来自美国和埃及的与会者还将通过互访和交流思想来获得国际合作的经验。预计拟议活动的结果将通过会议和出版物广泛传播，促进这一技术的应用，使科学界和公众受益。该项目由美国-埃及联合科学技术基金项目资助。这些合作项目的美方支持由美国国务院提供给国家科学基金会。埃及政府为合作的埃及方面提供支持。