Manufacturing Aligned Arrays of Semiconducting Carbon Nanotubes for Faster and More Energy Efficient Next-Generation Electronics

制造半导体碳纳米管对齐阵列,以实现更快、更节能的下一代电子产品

基本信息

  • 批准号:
    1462771
  • 负责人:
  • 金额:
    $ 30万
  • 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:
    2015-05-01 至 2019-04-30
  • 项目状态:
    已结题

项目摘要

Carbon nanotubes are nanomaterials that are comprised entirely of carbon atoms arranged in a cylinder. The diameter of a carbon nanotube is only about 1 nanometer or 1 billionth of a meter. Carbon nanotubes are among the best conductors of electricity that have ever been discovered. They promise to increase the speed and complexity of computing devices, increase the bandwidth and energy efficiency of commercial and military wireless communications technologies, and lead to new types of unconventional electronics that are not rigid but can be stretched, rolled, and folded. To realize nanotubes' promise, researchers must first learn how to assemble them into aligned arrays on substrates. This award supports fundamental research on a recently discovered manufacturing process for achieving this goal. Inks containing semiconducting carbon nanotubes are spread into thin films on the surface of a water trough. The nanotubes deposit and align themselves on a substrate as it is withdrawn from the trough. The overarching objective of the research is to increase the uniformity and improve the organization of the nanotube arrays to open the door for large-area nanotube array manufacturing for commercial applications. These advances will benefit the U.S. economy, high-tech electronics industries, and society. Moreover, the efforts on nanomaterials metrology and manufacturing will impact the development of new undergraduate laboratories on materials characterization for engineering education.The nanotube assembly occurs via a process called floating evaporative self-assembly. The uniformity and organization of nanotubes will be improved by: (1) determining the mechanisms that direct nanotube organization during floating evaporative self-assembly; (2) controlling packing density and inter-nanotube spacing by using multifunctional polymers to wrap the nanotubes and mediate inter-nanotube interactions during assembly; and (3) developing metrology to understand the link between processing-structure-electrical properties. In preliminary research, floating evaporative self-assembly has been exploited to align arrays of ultrahigh purity semiconducting nanotubes prepared using conjugated polymers as nanotube-differentiating agents. The excellent degree of alignment and control over the packing density of the nanotubes using this method has led to gains in nanotube array field effect transistor performance of 1400x in on/off ratio (at constant conductance) and 30-100x in on-conductance (at constant on/off ratio). Increasing the uniformity of these arrays will open the door for commercial opportunities in thin film applications and macroelectronics. Further controlling the microstructure will open the door for increased conductance and commercial opportunities in high-frequency linear amplifiers and logic transistors.
碳纳米管是完全由碳原子排列在圆柱体中的纳米材料。碳纳米管的直径只有大约1纳米或十亿分之一米。碳纳米管是迄今为止发现的最好的导电体之一。它们有望提高计算设备的速度和复杂性,提高商用和军用无线通信技术的带宽和能效,并导致新型非常规电子产品的出现,这些电子产品不是刚性的,而是可以拉伸,滚动和折叠的。为了实现纳米管的前景,研究人员必须首先学会如何将它们组装成基板上的对齐阵列。该奖项支持对最近发现的实现这一目标的制造工艺进行基础研究。含有半导体碳纳米管的墨水在水槽表面铺展成薄膜。当从槽中取出时,纳米管在衬底上存款并对齐。该研究的总体目标是提高纳米管阵列的均匀性和改善其组织,为大面积纳米管阵列的商业应用打开大门。这些进步将使美国经济、高科技电子产业和社会受益。此外,在纳米材料计量和制造方面的努力将影响工程教育中材料表征的新本科生实验室的发展。纳米管组装通过称为浮动蒸发自组装的过程发生。纳米管的均匀性和组织将通过以下方式得到改善:(1)确定浮动蒸发自组装过程中指导纳米管组织的机制;(2)通过使用多功能聚合物包裹纳米管并调节组装过程中纳米管间的相互作用来控制堆积密度和纳米管间的间距;以及(3)发展计量学以了解加工-结构-电性能之间的联系。在初步的研究中,浮动蒸发自组装已被利用来排列使用共轭聚合物作为纳米管分化剂制备的高纯度半导体纳米管阵列。使用该方法对纳米管的堆积密度的优异的对准程度和控制已经导致纳米管阵列场效应晶体管性能的增益为1400倍的开/关比(在恒定电导下)和30- 100倍的开电导(在恒定开/关比下)。提高这些阵列的均匀性将为薄膜应用和宏电子领域的商业机会打开大门。进一步控制微结构将为高频线性放大器和逻辑晶体管的电导增加和商业机会打开大门。

项目成果

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Michael Arnold其他文献

Nano-scale Turing Patterns in Electrodeposited Hybrid Thin Films
电镀混合薄膜中的纳米级图灵图案
  • DOI:
  • 发表时间:
    2016
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Matthew White;Lina Sun;He Sun;Yuta Ogawa;Syu Uno;Yu Jiang;Michael Arnold;Bin Du;Benjamin Himberg;Tsukasa Yoshida
  • 通讯作者:
    Tsukasa Yoshida
Simultaneous ferromagnetic and semiconductor–metal transition in EuO
  • DOI:
    10.1016/j.physc.2007.03.240
  • 发表时间:
    2007-09-01
  • 期刊:
  • 影响因子:
  • 作者:
    Michael Arnold;Johann Kroha
  • 通讯作者:
    Johann Kroha
Leisure and Death: An Anthropological Tour of Risk, Death, and Dying.
休闲与死亡:风险、死亡和垂死的人类学之旅。
  • DOI:
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Jonathan Skinner and Adam Kaul (eds.) Maribeth Erb;Keith Egan;Kathleen M. Adams;Adam Kaul;Shingo Iitaka;Cyril Schafer;Ruth McManus;Ray Casserly;Rachel A. Horner Brackett;Tamara Kohn;Michael Arnold;Martin Gibbs;James Meese;Bjorn Nansen;Stavro
  • 通讯作者:
    Stavro
Advancing the Use of Laparoscopy in Trauma: Repair of Intraperitoneal Bladder Injuries
推进腹腔镜在创伤中的应用:腹膜内膀胱损伤的修复
  • DOI:
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Michael Arnold;Caroline Lu;Bradley W. Thomas;G. Sachdev;Kyle W. Cunningham;R. Vaio;B. Heniford;R. Sing
  • 通讯作者:
    R. Sing
The impact of abnormal BMI on surgical complications after pediatric colorectal surgery.
BMI异常对小儿结直肠手术后手术并发症的影响。
  • DOI:
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    2.4
  • 作者:
    Angela M. Kao;Michael Arnold;T. Prasad;A. Schulman
  • 通讯作者:
    A. Schulman

Michael Arnold的其他文献

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{{ truncateString('Michael Arnold', 18)}}的其他基金

I-Corps: Novel Aligned Carbon Nanotube Arrays for Radiofrequency Technologies
I-Corps:用于射频技术的新型对齐碳纳米管阵列
  • 批准号:
    2313213
  • 财政年份:
    2023
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
Molecules in 2D h-BN
2D h-BN 中的分子
  • 批准号:
    2102643
  • 财政年份:
    2021
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
Directed Self-Assembly of Block Copolymer Thin Films into Useful Organized Patterns for Microelectronics and Nanofabrication.
将嵌段共聚物薄膜定向自组装成微电子和纳米制造有用的组织图案。
  • 批准号:
    2011254
  • 财政年份:
    2020
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
Engineering Atomically Precise Nanochannels Using Layered 2D Sheets to Enable Chemical Separation Membranes with Exceptional Permeance and Size-Selectivity
使用分层二维片设计原子级精确的纳米通道,使化学分离膜具有卓越的渗透性和尺寸选择性
  • 批准号:
    1705503
  • 财政年份:
    2017
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
SNM: Carbon Nanotubes Wafers
SNM:碳纳米管晶圆
  • 批准号:
    1727523
  • 财政年份:
    2017
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
CAREER: Overcoming Heterogeneity: Ultra-monodisperse Semiconducting Carbon with Parts per Million and Billion Polydispersity
职业:克服异质性:具有百万分之一和十亿分度多分散性的超单分散半导体碳
  • 批准号:
    1350537
  • 财政年份:
    2014
  • 资助金额:
    $ 30万
  • 项目类别:
    Continuing Grant
Fabrication of Large-Area and Large-Bandgap Semiconducting Graphene Materials
大面积、大带隙半导体石墨烯材料的制备
  • 批准号:
    1129802
  • 财政年份:
    2011
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
Collaborative Proposal: Genetic architecture of reproductive isolation and introgression in experimental and natural hybrid zones in Louisiana Irises
合作提案:路易斯安那鸢尾实验区和自然杂交区生殖隔离和基因渗入的遗传结构
  • 批准号:
    0949479
  • 财政年份:
    2010
  • 资助金额:
    $ 30万
  • 项目类别:
    Continuing Grant
Functional Atomic Membranes for High-Performance Organic Photovoltaic Materials
用于高性能有机光伏材料的功能原子膜
  • 批准号:
    1033346
  • 财政年份:
    2010
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant
RAPID: Evolutionary Effects of the Deepwater Horizon Oil Spill on Coastal Louisiana Iris Populations
RAPID:深水地平线漏油事件对路易斯安那州沿海鸢尾种群的进化影响
  • 批准号:
    1049757
  • 财政年份:
    2010
  • 资助金额:
    $ 30万
  • 项目类别:
    Standard Grant

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PFI-TT: Commercial scale production of aligned polymer nanofiber materials and yarns
PFI-TT:定向聚合物纳米纤维材料和纱线的商业规模生产
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