MRI: Acquisition of a 400 MHz Solid State NMR Spectrometer

从该提案中获得的资金将用于购买一台配备必要附件的400 MHz核磁共振光谱仪，以进行最先进的固态核磁共振材料表征实验。附件将包括双共振，魔角旋转（MAS）探针，这是许多固态核磁共振波谱应用所必需的，以及单共振CRAMPS（组合旋转和多脉冲序列）探针，用于1H核的固态核磁共振波谱。该仪器将大大提高固态核磁共振光谱的能力，用于研究大范围的样品，从而推进西北大学（NU）广泛部门正在进行的跨学科材料研究。将立即受益于精锐凝聚态核磁共振表征能力的研究项目包括研究用于有机合成的新型过渡金属试剂，用于光通信、数据存储和有机晶体管的新型光电子活性固体，用于高效储能和催化的金属-有机框架，硅基笼状结构和具有不同寻常结构的纳米胶囊，石墨烯纳米片和碳纳米棒用于固态电子和高强度材料，新型结构和屏障聚合物，以及固态天然材料，如植物渗出物的树脂和树胶。这种新仪器在环境和可变温度下提供的更灵敏的一维和二维固体核磁共振波谱，将大大有助于对这些材料进行更明确的结构表征，从而更详细地了解它们的功能。通过高通量和快速反馈在内部进行这些研究的能力，不仅可以使NU材料研究更迅速地向前发展，而且还将为研究生提供更完整的教育经验，他们将以动手的方式学习现代固态核磁共振光谱技术，同时将其应用于自己的研究。此外，东北大学化学、化学工程和材料科学与工程专业的高级本科课程将使用该仪器进行实验。随着研究生和本科生转到其他岗位，这些教育效益将远远超出北大。现代核磁共振（NMR）光谱是一种非常强大的技术，用于了解固体材料的结构和功能。这项提案的资金将用于购买最先进的光谱仪，供西北大学材料研究科学家及其学生广泛使用。许多部门正在进行的跨学科研究将受益于拟议仪器提供的结构表征能力，而这些能力目前还没有提供给我们。该仪器的数据将使人们更好地了解目前正在研究的各种固态材料，这些材料对开发更具选择性、效率更高、更环保的催化过程、用于储能的新材料、用于高速通信、数据存储和印刷晶体管的光电材料以及更强、更轻的结构材料至关重要。这个被要求的仪器也将在我们的研究生和本科生的教育计划中发挥重要作用。

Funds obtained from this proposal will be used to acquire a 400 MHz NMR spectrometer equipped with the necessary accessories for conducting state-of-the-art solid state NMR materials characterization experiments. The accessories will include a double-resonance, magic angle spinning (MAS) probe, which is essential for many solid state NMR spectroscopic applications, as well as a single-resonance CRAMPS (Combined Rotation and Multiple Pulse Sequence) probe for solid state NMR spectroscopy of the 1H nucleus. This requested instrumentation will provide greatly improved solid state NMR spectroscopic capabilities for studying a wide range samples, hence advancing the interdisciplinary materials research being conducted in a broad range of departments at Northwestern University (NU). Research programs which would immediately benefit from incisive condensed matter NMR characterization capabilities include those studying novel transition metal reagents for organic synthesis, novel opto-electronically active solids for optical communications, data storage, and organic transistors, metal-organic frameworks for efficient energy storage and catalysis, silicon-based cage structures and nanocapsules having unusual architectures, graphene nanoplatelets and carbon nanorods for solid state electronics and high-strength materials, novel structural and barrier polymers, and solid state natural materials such as resins and gums from plant exudates. The more sensitive one- and two-dimensional solid state NMR spectroscopy at ambient and variable temperatures offered by this new instrument will significantly enable far more definitive structural characterization of these materials, leading to a more detailed understanding of their functionality. The ability to conduct these studies in-house with high throughput and rapid feedback will not only allow NU materials research to move forward more expeditiously, but will also provide a more complete educational experience for graduate students who will learn modern solid state NMR spectroscopic techniques in a hands-on manner while applying it to their own research. Additionally, advanced undergraduate courses in the Chemistry, Chemical Engineering, and Materials Science and Engineering programs at NU will introduce experiments with this instrumentation. These educational benefits will spread far beyond NU as graduate and undergraduate students move on to other positions.Modern Nuclear Magnetic Resonance (NMR) spectroscopy is an extremely powerful technique for understanding the structure and function of solid materials. Funds from this proposal will be used to acquire a state-of-the-art spectrometer for use by a broad community of materials research scientists and their students at Northwestern University. Interdisciplinary research being conducted in many departments will benefit from the structural characterization capabilities offered by the proposed instrument and not currently available to us. The data from this instrument will lead to a better understanding of a wide range of solid state materials currently under study and which are important to the development of more selective, efficient, and environmentally friendly catalytic processes, new materials for energy storage, opto-electronic materials for high-speed communications, data storage, and printed transistors, and stronger, lighter weight structural materials. This requested instrument will also play a major role in educational programs for our graduate and undergraduate students.