Electromechanics of Bioinspired Switchable-Surface Nanocomposites
仿生可转换表面纳米复合材料的机电
基本信息
- 批准号:1662288
- 负责人:
- 金额:$ 39.83万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-09-01 至 2023-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Geckos can rapidly turn on and off the adhesive force of their feet and keep them from fouling during running on dusty walls, while some desert beetles can use their forewings to collect drinking water from fog. Mimicking these natural surfaces could result in novel materials with unique capabilities for numerous applications. In this project, an integrated experimental and computational approach will synthetically reproduce the desired biological features to create a new class of nanocomposites with tunable stickiness and self-cleaning characteristics. The anticipated long-term research outcome is a technical platform for developing the next generation of engineered materials, potentially useful for self-cleaning, sensing, nano-manipulation and assembly, and water harvesting in extremely arid regions, to mention a few. This research involves several disciplines including mechanics, materials science, biology, and nanotechnology. The multi-disciplinary platform will provide opportunities for underrepresented groups to participate in advanced research. Similarly, undergraduate research fellowships will be supported to provide exposure to engineering students to wide-ranging education and skills.In this project, new biomimetic wrinkle graphene-based nanocomposites with tunable adhesion and self-cleaning capabilities will be fabricated by mimicking the unique features of the biological structures found on gecko footpads and beetle forewings. A multiscale atomistic and micromechanics modeling approach will be used to interpret experimental results and to address how the biomimetic features can be translated into enhanced switchability, self-cleaning, and controlled release capabilities. The adhesive force and deformations will be measured with advanced microscopy tools and high-rate image capture, and a physics-based modeling approach will be developed to understand electromechanics of the biomimetic thin films. The modeling and experiments will be integrated to link the nanoscale phenomena to macroscopic performance. The results of this research will provide novel smart materials and a fundamental understanding of switching mechanisms for the design and development of the materials with unique performance features of practical significance.
壁虎可以迅速打开和关闭它们脚的附着力,并在尘土飞扬的墙壁上奔跑时防止它们弄脏,而一些沙漠甲虫可以用它们的前翼从雾中收集饮用水。模仿这些自然表面可以产生具有独特功能的新型材料,用于许多应用。在这个项目中,一个综合的实验和计算方法将综合再现所需的生物特征,以创建一类新的纳米复合材料,具有可调的粘性和自清洁特性。预期的长期研究成果是开发下一代工程材料的技术平台,可能用于自清洁,传感,纳米操纵和组装以及极端干旱地区的水收集等。这项研究涉及几个学科,包括力学,材料科学,生物学和纳米技术。多学科平台将为代表性不足的群体提供参与高级研究的机会。同样,本科生研究奖学金将得到支持,为工程专业学生提供广泛的教育和技能。在该项目中,将通过模仿壁虎脚垫和甲虫前翅上生物结构的独特特征,制造具有可调粘附力和自清洁能力的新型仿生褶皱石墨烯基纳米复合材料。一个多尺度的原子和微观力学建模方法将被用来解释实验结果,并解决如何仿生功能可以转化为增强的可切换性,自清洁,和控制释放能力。粘附力和变形将使用先进的显微镜工具和高速率图像捕获进行测量,并将开发基于物理的建模方法来理解仿生薄膜的机电学。将建模和实验相结合,将纳米级现象与宏观性能联系起来。本研究的结果将为设计和开发具有独特性能特征的新型智能材料和开关机制提供基本的理解,具有实际意义。
项目成果
期刊论文数量(23)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Effect of pressure quenching on the structures and properties of borosilicate glasses: Insights from molecular dynamics simulations
压力淬火对硼硅酸盐玻璃结构和性能的影响:分子动力学模拟的见解
- DOI:10.1016/j.nocx.2022.100112
- 发表时间:2022
- 期刊:
- 影响因子:0
- 作者:Ren, Mengguo;Du, Jincheng
- 通讯作者:Du, Jincheng
Bioinspired Smart Materials With Externally-Stimulated Switchable Adhesion
- DOI:10.3389/fnano.2021.667287
- 发表时间:2021-09
- 期刊:
- 影响因子:0
- 作者:Jie Wang;Yiyang Wan;Xiaowei Wang;Z. Xia
- 通讯作者:Jie Wang;Yiyang Wan;Xiaowei Wang;Z. Xia
Effect of modifier cation field strength on the structures of magnesium oxide containing aluminoborosilicate glasses
改性剂阳离子场强对含氧化镁铝硼硅酸盐玻璃结构的影响
- DOI:10.1111/ijag.16599
- 发表时间:2022
- 期刊:
- 影响因子:2.1
- 作者:Tuheen, Manzila Islam;Du, Jincheng
- 通讯作者:Du, Jincheng
The structures of iron silicate glasses with varying iron redox ratios from molecular dynamics simulations and EXAFS analysis
根据分子动力学模拟和 EXAFS 分析得出具有不同铁氧化还原比的硅酸铁玻璃的结构
- DOI:10.1016/j.jnoncrysol.2023.122713
- 发表时间:2024
- 期刊:
- 影响因子:3.5
- 作者:Tuheen, Manzila I.;Wilkins, Malin C.Dixon;McCloy, John;Du, Jincheng
- 通讯作者:Du, Jincheng
Highly Switchable Adhesion of N-Doped Graphene Interfaces for Robust Micromanipulation
- DOI:10.1021/acsami.8b18793
- 发表时间:2019-02-06
- 期刊:
- 影响因子:9.5
- 作者:Wan, Yiyang;Gao, Yong;Xia, Zhenhai
- 通讯作者:Xia, Zhenhai
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Jincheng Du其他文献
Molecular Dynamics Simulations of Oxide Glasses
- DOI:
10.1007/978-3-319-93728-1_32 - 发表时间:
2019 - 期刊:
- 影响因子:0
- 作者:
Jincheng Du - 通讯作者:
Jincheng Du
Monte Carlo simulation of borosilicate glass dissolution using molecular dynamics-generated glass structures
使用分子动力学生成的玻璃结构对硼硅酸盐玻璃溶解进行蒙特卡罗模拟
- DOI:
10.1016/j.jnoncrysol.2019.119601 - 发表时间:
2019 - 期刊:
- 影响因子:3.5
- 作者:
S. Kerisit;Jincheng Du - 通讯作者:
Jincheng Du
Short and medium range structures of 80GeSe2–20Ga2Se3 chalcogenide glasses
80GeSe2–20Ga2Se3硫系玻璃的短程和中程结构
- DOI:
10.1088/1361-648x/aaaf36 - 发表时间:
2018 - 期刊:
- 影响因子:0
- 作者:
E. Petracovschi;L. Calvez;L. Cormier;D. Coq;Jincheng Du - 通讯作者:
Jincheng Du
Local structure, composition, and crystallization mechanism of a model two-phase "composite nanoglass".
模型两相“复合纳米玻璃”的局部结构、成分和结晶机制。
- DOI:
10.1063/1.4941334 - 发表时间:
2016 - 期刊:
- 影响因子:0
- 作者:
S. Chattopadhyay;S. Kelly;T. Shibata;M. Balasubramanian;S. G. Srinivasan;Jincheng Du;R. Banerjee;P. Ayyub - 通讯作者:
P. Ayyub
PD-L1-targeted polymer-peptide-immune nanomedicine synergizes radiotherapy for durable tumor control
靶向 PD-L1 的聚合物-肽-免疫纳米药物与放疗协同作用以实现持久的肿瘤控制
- DOI:
10.1016/j.bioactmat.2025.05.017 - 发表时间:
2025-09-01 - 期刊:
- 影响因子:20.300
- 作者:
Jincheng Du;Chuwen Luo;Ya Liu;Wenye Tan;Kun Wang;Jiachong Chi;Linlin Liu;Yajun Xu;Zhaohui Tang;Xuesi Chen - 通讯作者:
Xuesi Chen
Jincheng Du的其他文献
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{{ truncateString('Jincheng Du', 18)}}的其他基金
GOALI: Collaborative Research: Understanding Composition-Structure-Chemical Durability Relationships in Multicomponent Oxide Glasses: Influence of Mixed Network Former Effect
目标:合作研究:了解多组分氧化物玻璃中的成分-结构-化学耐久性关系:混合网络形成器效应的影响
- 批准号:
1508001 - 财政年份:2015
- 资助金额:
$ 39.83万 - 项目类别:
Continuing Grant
GOALI/Collaborative: Impact of Mixed Network Formers on the Structure and Properties of Oxide Glasses
GOALI/协作:混合网络形成剂对氧化物玻璃结构和性能的影响
- 批准号:
1105219 - 财政年份:2011
- 资助金额:
$ 39.83万 - 项目类别:
Standard Grant
Integrated Experimental and Simulation Studies of the Structure and Dissolution Mechanism of Bioactive Glasses
生物活性玻璃结构与溶解机理的综合实验与模拟研究
- 批准号:
0907593 - 财政年份:2009
- 资助金额:
$ 39.83万 - 项目类别:
Continuing Grant
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