CAREER: Toward the Rational Design of Multifunctional Nanomaterials: Synthesis and Characterization of Nanostructured Metal-Organic Frameworks

职业：走向多功能纳米材料的合理设计：纳米结构金属有机框架的合成和表征

• 批准号: 0969261
• 负责人: Krista Walton
• 金额: $ 41.96万
• 依托单位: Georgia Tech Research Corporation
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-08-08 至 2015-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0969261&HistoricalAwards=false
• 关键词: CAREER; Toward; Rational; Design; Multifunctional

0846781WaltonThis NSF award by the Chemical and Biological Separations program supports work by Professor Krista Walton at Kansas State University to uncover the fundamental knowledge required to design and synthesize next-generation multifunctional, porous materials with molecule-specific properties for adsorption applications. Metal-organic frameworks (MOFs) represent a new direction in porous materials research that could lead to the creation of designer-specific materials. The rich field of coordination chemistry provides a versatile platform on which these materials may be assembled using an almost infinite set of building blocks. This CAREER award presents an integrated research and education plan for achieving transformative advances in porous materials research.The goal of this work is to explore the possibilities of MOFs as novel porous structures that can be chemically functionalized to attain molecule-specific adsorption properties. Three synergistic research objectives will drive this work: (1) synthesize a new family of metal-organic frameworks based on functionalization of trimesic acid to yield structures with hydrophobic, basic, or acidic adsorption sites, (2) explore multi-component adsorption and humidity effects in a hydrophobic, mixed?]ligand MOF, and (3) employ molecular modeling to uncover fundamental adsorption mechanisms in a mixed-ligand MOF. The fundamental knowledge to be gained from this work does not yet exist for these materials. The sorbent design criteria that can be extracted from this information will provide a major advance in porous materials design.Previous advances in porous materials through solid state chemistry have proceeded in a largely empirical fashion. This work will focus on exploring techniques to control the physical structure and chemical functionality of novel porous materials to achieve targeted adsorption properties. The impact of these findings will reverberate through various interdisciplinary applications including hydrogen storage, site-specific catalysis, adsorptive separations, drug delivery devices, and therapeutic coatings. The objectives of the education plan are to train graduate and undergraduate students in nanotechnology and improve involvement of women in science and engineering by increasing K-6 scientific literacy. Chemical engineering curriculum will be improved by development of a new graduate course in nanoporous materials and a new fixed-bed adsorption computational tool to enhance the undergraduate mass transfer course. A field-training program with three industrial partners will be developed to provide graduate students with societal context for their research area and expose them to important research problems in an industrial setting. A K-6 outreach program will be developed for K-6 education, with a specific emphasis on increasing the participation of women in STEM fields. The PI will develop a new porous materials module for interaction with local elementary schools through both the Women in Engineering and Science Program and Kansas 4-H Club. Project videos and activity methods will be uploaded to YouTube and various K-6 teacher resource websites for broader dissemination. Novel assessment tools will be developed for evaluating outcomes of the K-6 education plan. Results will be published in educational journals.Successful completion of this work will advance the current state of knowledge in porous materials synthesis and will provide new capabilities for creating structures with targeted adsorption properties. The potential impact on adsorption-based technologies is great. A direct impact on adsorption separations (CO2/methane; olefins/paraffins) is expected. Graduate and undergraduate researchers will receive excellent training in nanomaterials and adsorption in the PI's lab and through field-training experiences with industry. Results will be disseminated through peer-reviewed journals and conferences. Educational activities will create new capabilities and resources for K-6 education in nanotechnology. This program will improve the scientific literacy of this age group and boost involvement of women in science and engineering.

由化学和生物分离项目颁发的NSF奖支持堪萨斯州立大学的Krista Walton教授的工作，以揭示设计和合成下一代多功能，具有分子特异性吸附应用特性的多孔材料所需的基础知识。金属有机框架（MOFs）代表了多孔材料研究的一个新方向，可以导致设计师特定材料的创造。丰富的配位化学领域提供了一个多功能的平台，在这个平台上，这些材料可以使用几乎无限的构建模块进行组装。这个职业奖提出了一个综合的研究和教育计划，以实现多孔材料研究的变革性进步。这项工作的目标是探索mof作为一种新型多孔结构的可能性，这种结构可以通过化学官能化来获得分子特异性吸附性能。三个协同研究目标将推动这项工作：(1)合成一个新的基于三聚酸功能化的金属有机框架家族，以产生具有疏水性，碱性或酸性吸附位点的结构；(2)探索多组分吸附和湿度效应在疏水性，混合？(3)利用分子模型揭示混合配体MOF的基本吸附机制。从这项工作中获得的基本知识还不存在于这些材料中。从这些信息中提取的吸附剂设计标准将为多孔材料设计提供重大进展。以前通过固态化学在多孔材料方面取得的进展主要是以经验的方式进行的。本工作将重点探索控制新型多孔材料的物理结构和化学功能的技术，以实现目标吸附性能。这些发现的影响将通过各种跨学科应用产生回响，包括储氢、位点特异性催化、吸附分离、药物输送装置和治疗涂层。教育计划的目标是培养纳米技术的研究生和本科生，并通过提高K-6科学素养来提高妇女对科学和工程的参与。化学工程课程将通过开发纳米多孔材料研究生新课程和新的固定床吸附计算工具来改进本科传质课程。将与三个工业伙伴一起制定实地培训计划，为研究生提供其研究领域的社会背景，并使他们接触工业环境中的重要研究问题。将为K-6教育制定一项K-6外展计划，特别强调增加妇女在STEM领域的参与。PI将开发一种新的多孔材料模块，通过妇女工程与科学项目和堪萨斯4-H俱乐部与当地小学进行互动。项目视频和活动方法将上传到YouTube和各K-6教师资源网站，以便更广泛地传播。将开发新的评估工具来评估K-6教育计划的成果。研究结果将发表在教育期刊上。这项工作的成功完成将推进目前多孔材料合成的知识状态，并将为创建具有目标吸附特性的结构提供新的能力。对吸附技术的潜在影响是巨大的。预计对吸附分离（CO2/甲烷；烯烃/石蜡）有直接影响。研究生和本科生的研究人员将在PI的实验室和工业现场培训经验中接受纳米材料和吸附方面的优秀培训。研究结果将通过同行评议的期刊和会议进行传播。教育活动将为K-6年级的纳米技术教育创造新的能力和资源。该计划将提高这一年龄组的科学素养，并促进妇女参与科学和工程。