Design of Multifunctional Nanocomposites through Mixed-Graft Block Copolymer Templating
通过混合接枝嵌段共聚物模板设计多功能纳米复合材料
基本信息
- 批准号:2320956
- 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:2023
- 资助国家:美国
- 起止时间:2023-09-01 至 2025-08-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
PART 1: NON-TECHNICAL SUMMARYPolymer-nanoparticle composites offer numerous advantages over traditional single-component materials for a variety of applications. By combining desirable properties from different materials and creating new functions through unique interactions at the polymer-nanoparticle interfaces, these composites have the potential to revolutionize various fields, including sensing, energy conversion, and soft electronics. This project aims to develop an innovative approach to producing hybrid organic-inorganic materials endowed with multiple independently tunable properties. To achieve this, graft copolymers and functional nanoparticles will be co-assembled. The design of graft copolymers involves the incorporation of dissimilar polymeric side chains into a linear backbone, resulting in the formation of novel ordered nanostructures that are not easily attainable with other materials. The integration of functional nanoparticles into specific domains or interfaces of these nanostructured polymers will enhance their respective functional properties through precisely defined interactions between particles and polymers. The successful development of these nanocomposite materials with independently tunable properties holds great promise for advancing the field of materials science, with potential applications in optoelectronics and energy devices.PART 2: TECHNICAL SUMMARYMixed-graft block copolymers (mGBCPs) that contain dissimilar side chains combine the unique properties of both block copolymers and graft architecture, providing access to materials with synergistically enhanced properties. This project aims to synthesize, process, and characterize mGBCPs, with a primary focus on their applications as template materials for the preparation of multifunctional nanocomposites. Precisely defined side chain sequences in mGBCPs enable the formation of ordered hierarchical nanostructures across a broad range of characteristic length scales. Co-assembly of these mGBCPs with inorganic nanoparticles results in hierarchically structured nanocomposites with control over the size, geometry, and orientation of formed nanoparticle arrays. By rationally engineering the mGBCP structures and polymer-nanoparticle interactions, electronic band structures, photoenergy transfer behaviors, and thermomechanical properties of the nanocomposites can be precisely tuned or optimized. Furthermore, integrating more than one type of functional nanoparticles into mGBCPs through diverse orthogonal polymer-nanoparticle interactions will create a design platform for the discovery of functional materials with multiple independently tunable properties..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.
第一部分:聚合物-纳米颗粒复合材料在各种应用中提供了优于传统单组分材料的许多优点。通过结合不同材料的理想特性,并通过聚合物-纳米颗粒界面的独特相互作用创造新的功能,这些复合材料有可能彻底改变各个领域,包括传感,能量转换和软电子。该项目旨在开发一种创新的方法来生产具有多种独立可调性能的有机-无机杂化材料。为了实现这一点,接枝共聚物和功能性纳米颗粒将被共组装。接枝共聚物的设计涉及将不同的聚合物侧链并入线性主链中,从而形成用其他材料不容易获得的新型有序纳米结构。将功能性纳米颗粒整合到这些纳米结构聚合物的特定区域或界面中将通过颗粒和聚合物之间精确定义的相互作用增强其各自的功能特性。这些纳米复合材料的成功开发具有独立可调的性能具有很大的希望,推进材料科学领域,在光电子和能源devices.Part 2的潜在应用:技术总结混合接枝嵌段共聚物(mGBCPs),含有不同的侧链联合收割机的独特性能的嵌段共聚物和接枝结构,提供访问材料的协同增强性能。该项目旨在合成,加工和表征mGBCPs,主要关注其作为制备多功能纳米复合材料的模板材料的应用。mGBCP中精确定义的侧链序列使得能够在宽范围的特征长度尺度上形成有序的分级纳米结构。这些mGBCP与无机纳米颗粒的共组装导致分级结构的纳米复合材料,其控制所形成的纳米颗粒阵列的尺寸、几何形状和取向。通过合理地设计mGBCP结构和聚合物-纳米颗粒相互作用,可以精确地调节或优化纳米复合材料的电子能带结构、光能传递行为和热机械性能。此外,通过不同的正交聚合物-纳米颗粒相互作用将一种以上类型的功能纳米颗粒整合到mGBCP中,将为发现具有多种独立可调特性的功能材料创造一个设计平台。该奖项反映了NSF的法定使命,并被认为是值得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的支持。
项目成果
期刊论文数量(1)
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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Mingjiang Zhong其他文献
Modification of the surfaces of silicon wafers with temperature-responsive cross-linkable poly[oligo(ethylene oxide) methacrylate]-based star polymers.
用温度响应型可交联聚[低聚(环氧乙烷)甲基丙烯酸酯]星形聚合物对硅片表面进行改性。
- DOI:
- 发表时间:
2012 - 期刊:
- 影响因子:9.5
- 作者:
Sangwoo Park;Mingjiang Zhong;Taeheon Lee;H. Paik;K. Matyjaszewski - 通讯作者:
K. Matyjaszewski
Nanoporous Polystyrene and Carbon Materials with Core-Shell Nanosphere-Interconnected Network Structure
具有核壳纳米球互连网络结构的纳米多孔聚苯乙烯和碳材料
- DOI:
10.1021/ma2013207 - 发表时间:
2011-07 - 期刊:
- 影响因子:5.5
- 作者:
Hongchen Dong;Joanna Pietrasik;Mietek Jaroniec;Hongkun He;Hyung Ju Ryu;Mingjiang Zhong;Chin Ming Hui;Eun Kyung Kim;Dingcai Wu;Krzysztof Matyjaszewski;Tomasz Kowalewski;Zhenghui Li - 通讯作者:
Zhenghui Li
Mingjiang Zhong的其他文献
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{{ truncateString('Mingjiang Zhong', 18)}}的其他基金
Development of Stereospecific Controlled/Living Radical Polymerization Using Rationally Engineered Chain-End Capping Agents
使用合理设计的链封端剂开发立体定向受控/活性自由基聚合
- 批准号:
2108681 - 财政年份:2021
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
Design of Mixed-Graft Block Copolymers for Emerging Applications
新兴应用的混合接枝嵌段共聚物的设计
- 批准号:
2003875 - 财政年份:2020
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
CAREER: Synthesis of Hierarchically Structured Polymeric Materials Enabled by Polymerization-Induced Branching
职业:通过聚合诱导支化实现分级结构聚合物材料的合成
- 批准号:
1845184 - 财政年份:2019
- 资助金额:
$ 30万 - 项目类别:
Continuing Grant
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