Scalable Nanomanufacturing of Large-area Two-dimensional Tellurene for High-performance Wearable Piezoelectric Devices

用于高性能可穿戴压电器件的大面积二维碲烯的可扩展纳米制造

• 批准号: 1762698
• 负责人: Wenzhuo Wu
• 金额: $ 41.38万
• 依托单位: Purdue University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2018
• 资助国家: 美国
• 起止时间: 2018-10-01 至 2022-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1762698&HistoricalAwards=false
• 关键词: Scalable; Nanomanufacturing; Large; area; Two

Piezoelectric nanomaterials convert mechanical signals into electrical power and promise to revolutionize emerging self-powered technologies. Current methods for making piezoelectric nanomaterials are restricted by growth substrates, reaction pressure and temperature, which limits their economic manufacture. This award supports fundamental research to provide needed knowledge for the development of a low-temperature, substrate-free, scalable nanomanufacturing process. The novel process involves solution-based nanomanufacturing of a new piezoelectric nanomaterial, two-dimensional tellurene, with high productivity and high quality. Piezoelectric nanomaterials exhibit superior mechanical and piezoelectric properties to their bulk counterparts and are increasingly preferred for applications in energy, healthcare, sensors, and biomedical and wearable devices. Therefore, results from this research benefits the U.S. economy and society. This research involves several disciplines including manufacturing, materials science, electrical engineering, device physics, and data science. The multi-disciplinary approach helps broaden participation of women and underrepresented groups in research and positively impacts engineering education.Hydrothermal solution process can overcome several limitations existing in nanomaterial manufacturing. These range from energy budget, scalability, environmental control, and working temperature. However, some scientific barriers are yet to be overcome to realize the full potential of the hydrothermal solution process for manufacturing of 2D nanomaterials. This research is will fill the knowledge gap on the mechanisms for the 2D tellurene formation during hydrothermal synthesis. The objectives are (1) to explore the unique advantage and capability of low-cost, scalable solution-based manufacturing for growth of tellurene nanomaterials with control over their production yield, morphology and dimensions, and (2) to uncover the process-structure-property-functionality relationships in designing, manufacturing, and integrating the tellurene-based wearable piezoelectric nanodevices. The research team will pursue a physics-based theoretical model to predict the structural and piezoelectric properties of tellurene manufactured by the hydrothermal process and conduct experiments to verify the model. The research team will test the hypothesis that surfactant type and concentration are the determining factors for controlling the thickness and hence the piezoelectric behavior of tellurene, and in so doing, will establish the relationships between process parameters and material functionality (e.g., piezoelectricity) in hydrothermal nanomanufacturing.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.

压电纳米材料将机械信号转化为电能，有望彻底改变新兴的自供电技术。目前制备压电纳米材料的方法受到生长基质、反应压力和温度的限制，限制了其经济制造。该奖项支持基础研究，为开发低温、无基板、可扩展的纳米制造工艺提供所需的知识。该新型工艺涉及基于溶液的新型压电纳米材料二维碲的纳米制造，具有高生产率和高质量。压电纳米材料在机械和压电性能方面优于其块状材料，越来越多地应用于能源、医疗保健、传感器、生物医学和可穿戴设备。因此，这项研究的结果有利于美国的经济和社会。这项研究涉及多个学科，包括制造、材料科学、电气工程、器件物理和数据科学。多学科方法有助于扩大妇女和代表性不足的群体在研究中的参与，并对工程教育产生积极影响。水热溶液法可以克服纳米材料制造中存在的一些限制。这些范围包括能源预算、可扩展性、环境控制和工作温度。然而，要充分发挥水热溶液工艺制造二维纳米材料的潜力，还需要克服一些科学障碍。该研究将填补水热合成过程中二维碲形成机理方面的知识空白。目标是：(1)探索低成本、可扩展的基于解决方案的碲纳米材料制造的独特优势和能力，并控制其产量、形态和尺寸；(2)揭示设计、制造和集成碲基可穿戴压电纳米器件的工艺-结构-性能-功能关系。研究小组将寻求一个基于物理的理论模型来预测水热法制备碲的结构和压电性能，并进行实验来验证该模型。研究小组将测试表面活性剂的类型和浓度是控制厚度和碲的压电行为的决定因素的假设，这样做将建立水热纳米制造中工艺参数和材料功能（例如压电性）之间的关系。该奖项反映了美国国家科学基金会的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。

项目成果

Phase transition in two-dimensional tellurene under mechanical strain modulation

• DOI: 10.1016/j.nanoen.2019.01.040
• 发表时间: 2019-04
• 期刊: Nano Energy
• 影响因子: 17.6
• 作者: Yuan Xiang;Shengjie Gao;Rong-guang Xu;Wenzhuo Wu;Y. Leng

Anisotropic thermal conductivity in 2D tellurium

• DOI: 10.1088/2053-1583/ab4eee
• 发表时间: 2020-01-01
• 期刊: 2D MATERIALS
• 影响因子: 5.5
• 作者: Huang, Shouyuan;Segovia, Mauricio;Xu, Xianfan
• 通讯作者: Xu, Xianfan

Solution-synthesized chiral piezoelectric selenium nanowires for wearable self-powered human-integrated monitoring

• DOI: 10.1016/j.nanoen.2018.12.003
• 发表时间: 2019-02
• 期刊: Nano Energy
• 影响因子: 17.6
• 作者: Min Wu;Yixiu Wang;Shengjie Gao;Ruoxing Wang;Chenxiang Ma;Zhiyuan Tang;Ning Bao;Wenxuan Wu

Hybrid printing of wearable piezoelectric sensors

• DOI: 10.1016/j.nanoen.2021.106522
• 发表时间: 2021-09-22
• 期刊: NANO ENERGY
• 影响因子: 17.6
• 作者: Du, Yipu;Wang, Ruoxing;Zhang, Yanliang
• 通讯作者: Zhang, Yanliang

Quantum Hall effect of Weyl fermions in n-type semiconducting tellurene

• DOI: 10.1038/s41565-020-0715-4
• 发表时间: 2020-06-29
• 期刊: NATURE NANOTECHNOLOGY
• 影响因子: 38.3
• 作者: Qiu, Gang;Niu, Chang;Ye, Peide D.
• 通讯作者: Ye, Peide D.