MRI: Development of Novel Instrumentation to Probe Nanoscale Charge Carrier Dynamics with high Temporal and Spatial Resolution

皮：乔，启泉：1428992题目：核磁共振：新型仪器的开发，以探测具有高时间和空间分辨率的纳米级载流子动力学意义该仪器将显著加速光激活纳米系统(PANS)和高级光伏中心(CAP)将太阳能转换为低成本电能的研究，加强南达科他州立大学S博士项目专注于光伏的研究和教育活动，并帮助南达科他州S吸引顶尖研究人员和学生进行前沿研究。研究团队将把这一工具整合到几门本科和研究生课程中，以提高学生教育和研究培训的质量。这一工具还有望通过加快开发新的具有成本效益的光伏技术和商业化生产用于纳米级GHz瞬变测量的新仪器来刺激经济。该项目将通过积极吸引女性和美洲原住民本科生和研究生的参与，扩大对科学和工程研究的参与。PI将鼓励他的本科生和研究生班上的女学生参与这一项目，并将与部落学院合作，招募美洲原住民学生的参与。技术描述该MRI项目的目标是开发一种基于最先进的原子力显微镜(AFM)的仪器，与偏置调制硬件相集成，以高空间和时间分辨率探测纳米结构和无序材料中的局部载流子动力学。该仪器将使研究人员能够了解和量化各种有机半导体、无机纳米结构及其杂化材料中的电荷传输参数。该集成测量系统将基于集成了调制偏置硬件(函数发生器、频率响应分析仪和调制激光光源)的改进型导电原子力显微镜(C-AFM)扫描头，在各种光伏材料和器件中以高空间(Nm)和时间(亚？S)分辨率探测载流子动力学和MAP载流子密度、传输/复合寿命、扩散长度、迁移率和重组率。

PI: Qiao, QiquanProposal: 1428992Title: MRI: Development of Novel Instrumentation to Probe Nanoscale Charge Carrier Dynamics with high Temporal and Spatial ResolutionSignificanceThis instrumentation will significantly accelerate Photo Activated Nanoscale System (PANS) and the Center for Advanced Photovoltics (CAP) research on converting solar energy into low-cost electricity, enhance the research and education activities of South Dakota State University?s Ph.D. program focused on photovoltaics, and aid South Dakota?s ability to attract top researchers and students to conduct leading-edge research. The research team will integrate this tool into several undergraduate and graduate courses to improve the quality of student education and research training. This tool is also expected to stimulate the economy by speeding up the development of new cost-effective photovoltaic technologies and the commercial production of a new instrument for nanoscale GHz transient measurement. This project will broaden participation in science and engineering research by actively involving female and Native American undergraduate and graduate students. The PI will encourage female students from his undergraduate and graduate classes to participate in this project and will work with tribal colleges to recruit the involvement of Native American students.Technical DescriptionThe objective of this MRI project is to develop a state-of-the-art atomic force microscope (AFM) based instrumentation integrated with bias modulated hardware to probe local charge carrier dynamics in nanostructured and disordered materials with high spatial and temporal resolution. This instrument will enable researchers to understand and quantify charge transport parameters in various organicsemiconductors, inorganic nanostructures, and their hybrids. The integrated measurement system will probe charge carrier dynamics and map carrier density, transport/recombination lifetimes, diffusion length, mobility, and recombination rates with high spatial (nm) and temporal (sub-ìs) resolution in a wide variety of photovoltaic materials and devices based on a modified conductive AFM (C-AFM)scanner head integrated with modulated bias hardware (function generator, frequency response analyzer, and modulated laser sources).