Solution-Processed Monodisperse Nanoelectronic Heterostructures
溶液处理的单分散纳米电子异质结构
基本信息
- 批准号:1505849
- 负责人:
- 金额:$ 37.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-07-01 至 2019-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Nontechnical Description: With the increasing importance of portable and wearable electronic technologies, new materials are needed that combine superlative electronic properties with other requirements such as mechanical flexibility, low power consumption, and scalable manufacturing. Emerging two-dimensional nanoelectronic materials that are atomically thin meet many of these requirements, but no single material can achieve all of them concurrently. Consequently, this project develops heterostructures that synergistically integrate the desirable properties of multiple two-dimensional nanoelectronic materials, thus overcoming the design tradeoffs imposed by single materials utilized in isolation. Solution-processing methods are further employed to achieve highly homogenous nanoelectronic heterostructures in a manner that is compatible with large-scale, low-cost additive manufacturing. The results of this project are disseminated through a comprehensive set of education and outreach activities that include graduate curriculum development, undergraduate laboratories, and a materials science exhibit at the Chicago Museum of Science and Industry.Technical Description: To realize reproducibly high performance in electronic and optoelectronic devices, nanoelectronic materials must be produced via scalable methods that possess high structural monodispersity. Furthermore, the resulting nanoelectronic material components need to be assembled into morphologies that preserve their superior properties and are amenable to subsequent fabrication methods. Towards these goals, dispersion chemistries, solvents, and density gradient media are identified that enable density gradient ultracentrifugation sorting of transition metal dichalcogenides, boron nitride, and black phosphorus with exceptional structural and electronic purities. These high purity samples facilitate fundamental studies of two-dimensional nanoelectronic materials as a function of structural parameters such as thickness and lateral size. In addition, homogeneous two-dimensional nanomaterial dispersions are assembled via vacuum filtration and layer-by-layer assembly to form multi-component bulk heterojunction nanocomposite films and thin-film heterostructures that are suitable for the fabrication and testing of large-area nanoelectronic devices and circuits. In this manner, the role of surface and interfacial chemistry on electronic properties are elucidated at the two-dimensional limit.
非技术描述:随着便携式和可穿戴电子技术的重要性日益增加,需要将卓越的电子性能与机械灵活性、低功耗和可扩展制造等其他要求结合起来的新材料。新兴的原子薄二维纳米电子材料满足了许多这些要求,但没有一种材料可以同时实现所有这些要求。因此,该项目开发了异质结构,可以协同集成多种二维纳米电子材料的理想特性,从而克服单独使用单一材料所带来的设计权衡。进一步采用溶液处理方法,以与大规模、低成本增材制造兼容的方式实现高度均匀的纳米电子异质结构。该项目的成果通过一系列全面的教育和推广活动进行传播,其中包括研究生课程开发、本科生实验室以及芝加哥科学与工业博物馆的材料科学展览。技术描述:在电子和工业领域实现可重复的高性能光电器件、纳米电子材料必须通过具有高结构单分散性的可扩展方法来生产。此外,所得的纳米电子材料组件需要组装成保持其优异性能并适合后续制造方法的形态。为了实现这些目标,我们确定了分散化学、溶剂和密度梯度介质,能够对具有优异结构和电子纯度的过渡金属二硫属化物、氮化硼和黑磷进行密度梯度超速离心分选。这些高纯度样品有助于二维纳米电子材料作为厚度和横向尺寸等结构参数函数的基础研究。 此外,通过真空过滤和逐层组装来组装均匀的二维纳米材料分散体,形成多组分本体异质结纳米复合材料薄膜和薄膜异质结构,适用于大面积纳米电子器件的制造和测试电路。 通过这种方式,在二维极限下阐明了表面和界面化学对电子特性的作用。
项目成果
期刊论文数量(0)
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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Mark Hersam其他文献
Mark Hersam的其他文献
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{{ truncateString('Mark Hersam', 18)}}的其他基金
Northwestern University Materials Research Science and Engineering Center
西北大学材料研究科学与工程中心
- 批准号:
2308691 - 财政年份:2023
- 资助金额:
$ 37.5万 - 项目类别:
Cooperative Agreement
EFRI BRAID: Emulating Cerebellar Temporally Coherent Signaling for Ultraefficient Emergent Prediction
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2317974 - 财政年份:2023
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Standard Grant
Collaborative Research: FET: Medium: Neuroplane: Scalable Deep Learning through Gate-tunable MoS2 Crossbars
合作研究:FET:媒介:神经平面:通过门可调 MoS2 交叉开关进行可扩展深度学习
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2106964 - 财政年份:2021
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2029058 - 财政年份:2020
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$ 37.5万 - 项目类别:
Standard Grant
Probing Fundamental Magneto-Electronic Properties of Two-Dimensional Metal Halides
探测二维金属卤化物的基本磁电性质
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2004420 - 财政年份:2020
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
MRSEC: Center for Multifunctional Materials
MRSEC:多功能材料中心
- 批准号:
1720139 - 财政年份:2017
- 资助金额:
$ 37.5万 - 项目类别:
Cooperative Agreement
REU Site in Nanoscale Science and Engineering
REU 纳米科学与工程网站
- 批准号:
1062784 - 财政年份:2011
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
CEMRI: Multifunctional Nanoscale Material Structures
CEMRI:多功能纳米材料结构
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1121262 - 财政年份:2011
- 资助金额:
$ 37.5万 - 项目类别:
Cooperative Agreement
Preparation, Characterization, and Application of Monodisperse Carbon-Based Nanomaterials
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- 批准号:
1006391 - 财政年份:2010
- 资助金额:
$ 37.5万 - 项目类别:
Continuing Grant
REU Site in Nanoscale Science and Engineering
REU 纳米科学与工程网站
- 批准号:
0755375 - 财政年份:2008
- 资助金额:
$ 37.5万 - 项目类别:
Continuing Grant
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