CAREER: Investigation of Thermal Transport in Moiré Pattern Structured Materials to Push the Extremes of Thermal Modulation

职业:研究莫尔图案结构材料中的热传输以推动热调制的极限

基本信息

  • 批准号:
    2145417
  • 负责人:
  • 金额:
    $ 50万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-07-01 至 2027-06-30
  • 项目状态:
    未结题

项目摘要

This award is funded in whole or in part under the American Rescue Plan Act of 2021 (Public Law 117-2).Wearable devices made of two-dimensional (2D) materials based on atomically thin crystals such as graphene promise to revolutionize modern microelectronics by enabling high flexibility, intrinsic thinness, and unprecedented device performance. However, one significant challenge to the advancement of diverse and transformative applications is gaining control over thermal transport. For example, thermal transport needs to be increased to compensate for the heating issue caused by the reduced thermal conductivity at high levels of stress and decreased for efficient thermoelectric energy conversion and thermal insulation devices. The overarching goal of this research is to achieve efficient, in-situ, and reversible thermal control via manipulating 2D materials’ Moiré patterns, which are created by adjusting the relative twist angle of mismatching crystal lattice between the two 2D materials. The knowledge learned will potentially push the thermal modulation limits in skin-like wearable devices made of atomically thin 2D materials, and enable modern devices from beyond-Si electronics and sensors to superconducting thermal switches. This project will tightly integrate research, education and outreach, with interactive games, workshops, novel curriculum, hands-on research mentoring, and research tool sharing to engage students in thermal technology.The proposed research aims to create new knowledge about crystal lattice order enabled thermal transport and develop twist angle tuning as a powerful strategy for thermal modulation. The twist angle tuning method applied to 2D Moiré pattern structured materials provides an in-situ, continuous and reversible tuning strategy without the need for changing the materials’ chemical composition, thereby bypassing the challenges associated with traditional wearable devices. Experimental approaches of materials synthesis, device nanofabrication and thermal characterization are emphasized and reinforced by analytical modeling. By systematically varying twist angle as well as the 2D Moiré patterns’ mechanical deformation and global geometry, in-depth understanding of lattice orders, lattice constants, geometry and thermal conductivity will be uncovered. Such knowledge will be a major leap in fundamental understanding of thermal physics, establish thermal modulation principles to achieve desired thermal transport outcomes, and revolutionize future wearable device platforms.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.
该奖项全部或部分由2021年美国救援计划法案(公法117-2)资助。由基于石墨烯等原子级薄晶体的二维(2D)材料制成的可穿戴设备有望通过实现高灵活性、内在薄度和前所未有的设备性能来彻底改变现代微电子技术。然而,推动多样化和变革性应用的一个重大挑战是获得对热传输的控制。例如,需要增加热传输以补偿在高应力水平下由降低的热导率引起的加热问题,并且为了有效的热电能量转换和热绝缘装置而降低热传输。这项研究的首要目标是通过操纵2D材料的莫尔图案来实现有效的、原位的和可逆的热控制,莫尔图案是通过调整两种2D材料之间失配晶格的相对扭曲角来创建的。所学到的知识将有可能推动由原子薄2D材料制成的皮肤可穿戴设备的热调制极限,并使现代设备从超硅电子和传感器到超导热开关。该项目将紧密结合研究,教育和推广,通过互动游戏,研讨会,新颖的课程,动手研究指导和研究工具共享,让学生参与热技术。拟议的研究旨在创造有关晶格有序使热传输的新知识,并开发扭曲角调谐作为热调制的强大策略。应用于2D莫尔图案结构材料的扭转角调谐方法提供了原位、连续和可逆的调谐策略,而无需改变材料的化学成分,从而绕过了与传统可穿戴设备相关的挑战。材料合成,器件纳米加工和热特性的实验方法强调和加强分析建模。通过系统地改变扭转角以及2D莫尔图案的机械变形和全局几何形状,将揭示对晶格有序,晶格常数,几何形状和热导率的深入理解。这些知识将是对热物理基本理解的重大飞跃,建立热调制原理以实现所需的热传输结果,并彻底改变未来的可穿戴设备平台。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响评审标准进行评估,被认为值得支持。

项目成果

期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
On the role of crystal defects on the lattice thermal conductivity of monolayer WSe2 (P63/mmc) thermoelectric materials by DFT calculation
  • DOI:
    10.1016/j.spmi.2021.107057
  • 发表时间:
    2021-07
  • 期刊:
  • 影响因子:
    3.1
  • 作者:
    Yingtao Wang;Xian Zhang
  • 通讯作者:
    Yingtao Wang;Xian Zhang
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Xian Zhang其他文献

The dissolution and passivation mechanism of chalcopyrite in bioleaching: An overview
生物浸出中黄铜矿的溶解和钝化机制:概述
  • DOI:
    10.1016/j.mineng.2019.03.014
  • 发表时间:
    2019-06
  • 期刊:
  • 影响因子:
    4.8
  • 作者:
    Hongbo Zhao;Yisheng Zhang;Xian Zhang;Lu Qian;Menglin Sun;Yu Yang;Yansheng Zhang;Jun Wang;Hyunjung Kim;Guanzhou Qiu
  • 通讯作者:
    Guanzhou Qiu
Isothermal crystallization kinetics and mechanical properties of poly(butylene terephthalate)/attapulgite nanocomposites
聚对苯二甲酸丁二醇酯/凹凸棒石纳米复合材料的等温结晶动力学和力学性能
  • DOI:
    10.1007/s00396-013-3142-3
  • 发表时间:
    2014-04
  • 期刊:
  • 影响因子:
    2.4
  • 作者:
    Kang Zheng;Lin Chen;Xian Zhang;Xingyou Tian
  • 通讯作者:
    Xingyou Tian
Deficiency of mouse mast cell protease 4 mitigates cardiac dysfunctions in mice after myocardium infarction
小鼠肥大细胞蛋白酶4缺乏可减轻小鼠心肌梗塞后的心脏功能障碍
  • DOI:
    10.1016/j.bbadis.2019.01.011
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Yunzhe Wang;Cong-Lin Liu;Wenqian Fang;Xian Zhang;Chongzhe Yang;Jie Li;Jing Liu;Galina K. Sukhova;Michael F. Gurish;Peter Libby;Guo-Ping Shi;Jinying Zhang
  • 通讯作者:
    Jinying Zhang
Choroid plexus papilloma of the fourth ventricle developing postoperative intracranial and rectal hemorrhage three times: A case report
第四脑室脉络丛乳头状瘤术后三次颅内、直肠出血一例报告
  • DOI:
    10.1007/s11805-010-0060-8
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Hengzhu Zhang;L. She;Lin Yang;Xian Zhang;Lun Dong;Xiao;L. Shen;Jian Li
  • 通讯作者:
    Jian Li
Conceiving Naturally After IVF: the effect of assisted reproduction on obstetric interventions and child health at birth
体外受精后自然受孕:辅助生殖对产科干预和儿童出生健康的影响
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Fabio I. Martinenghi;Xian Zhang;L. Rombauts;Georgina M. Chambers
  • 通讯作者:
    Georgina M. Chambers

Xian Zhang的其他文献

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{{ truncateString('Xian Zhang', 18)}}的其他基金

LEAPS-MPS: Tailoring the Thermal Properties of Flexible Two-Dimensional (2D) Heterostructures
LEAPS-MPS:定制柔性二维 (2D) 异质结构的热性能
  • 批准号:
    2137883
  • 财政年份:
    2022
  • 资助金额:
    $ 50万
  • 项目类别:
    Continuing Grant
Conference on Standards for Interlinear Glossed Texts in Related Languages
相关语言行间注释文本标准会议
  • 批准号:
    2015980
  • 财政年份:
    2020
  • 资助金额:
    $ 50万
  • 项目类别:
    Standard Grant

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