Excellence in Research: Development of a Non-Fluorinated Etching Procedure to Prepare MXene Hybrid Materials for Composite Applications
卓越研究:开发非氟化蚀刻工艺来制备用于复合材料应用的 MXene 混合材料
基本信息
- 批准号:2101001
- 负责人:
- 金额:$ 70万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2021
- 资助国家:美国
- 起止时间:2021-06-15 至 2025-05-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
NON-TECHNICAL DESCRIPTION: MXenes are 2D materials with excellent electrical/magnetic properties for use in a number of applications such as electromagnetic radiation shielding, supercapacitors and batteries. In this project, a team of researchers at the Florida A & M University (FAMU), FAMU-FSU (Florida State University) College of Engineering (COE), and Clark Atlanta University (CAU-Chemistry), aim to prepare a class of MXenes with homogenous surface functionality using a less hazardous procedure. This novel method of synthesizing MXenes will open new avenues of developing hybrid materials for different applications and the generation of unique composite materials. Subsequently, this project seeks to increase the number of undergraduate and graduate minority students enrolling in engineering and science programs to pursue advanced degrees through involvement in MXene materials research. Student interest about graduate programs and summer research opportunities will also increase, leading to the establishment of a 2+3 dual-degree engineering program. TECHNICAL DETAILS: MXenes are derived from MAX phases, where the A element, usually aluminum, is removed by etching with toxic hydrogen fluoride. The systematic investigation of MXene with a novel non-fluorine based method using the following research aims to understand the synthesis/etching/exfoliation processes using a non-fluorinated etching procedure allows for control of the resultant microstructure and macroscopic properties crucial to MXenes applications: 1) Preparing MXenes with improved stability and homogenous surface functionality using non-fluorinated etching techniques on MAX phases. 2) Understanding the impact of this etching process on the MXene chemistry, morphology, and chemical environment on rheological, electronic, and magnetic/spin properties. 3) Building a MXene model based on specific functional groups terminations using thermodynamic stability calculations of bromine or other functional group terminations, geometry optimizations for single and bilayer MXene structures, and vibrational frequency calculations to compare with experimental results. 4) Developing novel MXene composite structures for manufacturing devices with desirable magnetic and electronic properties. 5) Exploring the suitability of a novel etch method for other types of MAX phases. The findings from this EiR project will contribute to institutional change by aligning the qualities of interdisciplinary research with educational outcomes and exposing students to new chemical synthesis and exfoliation techniques, instrumentation at the National High Magnetic Field Lab (NHMFL) national user facility, and 3D printing using state-of-the-art equipment to fabricate MXene structures and devices.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
非技术描述:MXene是具有优异电/磁性能的2D材料,可用于电磁辐射屏蔽、超级电容器和电池等多种应用。在这个项目中,佛罗里达A M大学(FAMU),FAMU-FSU(佛罗里达州立大学)工程学院(COE)和克拉克亚特兰大大学(化学)的一组研究人员旨在使用危害较小的程序制备一类具有均匀表面功能的MXene。这种合成MXene的新方法将为开发用于不同应用的杂化材料和生成独特的复合材料开辟新的途径。随后,该项目旨在通过参与MXene材料研究,增加少数民族本科生和研究生报名参加工程和科学课程以攻读高级学位的人数。学生对研究生课程和暑期研究机会的兴趣也将增加,从而建立2+3双学位工程课程。 技术细节:MXene来自MAX阶段,其中A元素,通常是铝,通过有毒的氟化氢蚀刻去除。使用以下研究的新型非氟基方法对MXene进行系统研究,旨在了解使用非氟化蚀刻程序的合成/蚀刻/剥离过程,从而控制对MXene应用至关重要的所得微观结构和宏观性质:1)在MAX相上使用非氟化蚀刻技术制备具有改善的稳定性和均匀表面功能的MXene。2)了解此蚀刻工艺对MXene化学、形态和化学环境对流变学、电子和磁性/自旋特性的影响。3)使用溴或其他官能团终止的热力学稳定性计算,单层和双层MXene结构的几何优化以及振动频率计算,基于特定官能团终止构建MXene模型,以与实验结果进行比较。4)开发新型MXene复合材料结构,用于制造具有理想磁性和电子特性的器件。5)探索新的蚀刻方法对其他类型MAX相的适用性。EiR项目的研究结果将有助于机构变革,使跨学科研究的质量与教育成果保持一致,并使学生接触新的化学合成和剥离技术,国家高磁场实验室(NHMFL)国家用户设施的仪器,和3D打印技术该奖项反映了NSF的法定使命,并被认为值得通过使用基金会的智力价值和更广泛的影响审查标准。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Natalie Arnett其他文献
Invited Contributions to STEM Education
STEM 教育特邀贡献
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
Sylvia L. Mendez;Sarah E. Cooksey;Kathryn Watson;Comas Haynes;Tammy McCoy;Natalie Arnett - 通讯作者:
Natalie Arnett
Natalie Arnett的其他文献
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{{ truncateString('Natalie Arnett', 18)}}的其他基金
Partnership for Research and Education in Materials:Fueling Opportunities for Successful and TransformativE Retention of Chemistry Majors (PREM to FOSTER-Chem) in Graduate Programs
材料研究和教育合作伙伴关系:为研究生课程中化学专业(PREM 至 FOSTER-Chem)的成功和变革性保留提供机会
- 批准号:
2122142 - 财政年份:2021
- 资助金额:
$ 70万 - 项目类别:
Standard Grant
Collaborative Research: The AGEP Engineering Alliance: A Model to Advance Historically Underrepresented Minority Postdoctoral Scholars and Early Career Faculty in Engineering
合作研究:AGEP 工程联盟:促进历史上代表性不足的少数族裔博士后学者和工程领域早期职业教师的模式
- 批准号:
1821019 - 财政年份:2019
- 资助金额:
$ 70万 - 项目类别:
Standard Grant
CAREER: SusChEM: Synthesis and Characterization of Disulfonated Poly(arylene ether sulfone 2,4,6-Trichloro-1,3,5-triazine) Hybrid Copolymers
职业:SusChEM:二磺化聚(亚芳基醚砜 2,4,6-三氯-1,3,5-三嗪)杂化共聚物的合成和表征
- 批准号:
2006757 - 财政年份:2019
- 资助金额:
$ 70万 - 项目类别:
Continuing Grant
HBCU-UP TIP: Integrating Innovative Polymer Chemistry Research into the Introductory General Chemistry Two Course Sequence- Fostering STEM Interest and Retention
HBCU-UP 提示:将创新的聚合物化学研究融入普通化学入门两门课程序列中 - 培养 STEM 兴趣和保留率
- 批准号:
1533516 - 财政年份:2015
- 资助金额:
$ 70万 - 项目类别:
Standard Grant
CAREER: SusChEM: Synthesis and Characterization of Disulfonated Poly(arylene ether sulfone 2,4,6-Trichloro-1,3,5-triazine) Hybrid Copolymers
职业:SusChEM:二磺化聚(亚芳基醚砜 2,4,6-三氯-1,3,5-三嗪)杂化共聚物的合成和表征
- 批准号:
1454451 - 财政年份:2015
- 资助金额:
$ 70万 - 项目类别:
Continuing Grant
Research Initiation Award Grant: Synthesize and Characterize of Disulfonated Poly(arylene ether sulfone-tetrachlorocyclotriphosphazene) Hybrid Copolymers
研究启动奖:二磺化聚(亚芳基醚砜-四氯环三磷腈)杂化共聚物的合成和表征
- 批准号:
1137573 - 财政年份:2011
- 资助金额:
$ 70万 - 项目类别:
Standard Grant
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