Synthesis and Reversible Self-Assembly of Monodisperse Plasmonic Nanorods Permanently Ligated with Photoresponsive Polymers

光响应聚合物永久连接单分散等离子体纳米棒的合成与可逆自组装

基本信息

  • 批准号:
    1903957
  • 负责人:
  • 金额:
    $ 45万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2019
  • 资助国家:
    美国
  • 起止时间:
    2019-07-01 至 2023-06-30
  • 项目状态:
    已结题

项目摘要

In this project funded by the Macromolecular, Supramolecular and Nanochemistry Program in the Division of Chemistry, Professor Zhiqun Lin of the School of Materials Science and Engineering at the Georgia Institute of Technology is developing a new class of nanomaterials which contain polymers on their surfaces that are responsive to light. Nanoparticles are very tiny particles about 500-100,000 times "thinner" than a human hair. However, they have surface area to volume ratios orders of magnitudes larger than seen in traditional materials such as steel, wood, concrete or plastic. As a matter of fact, just a couple of grams of such particles can have an area as enormous as a football field. Combining nanoparticles in a controlled manner to create materials with useful properties is often very tedious and challenging synthetic task. This work greatly simplifies the assembly of nanoparticles into materials by utilizing precisely designed polymers on their surfaces. These polymers when activated by light drive nanoparticles to combine in a controlled manner and therefore act as a photo-switch. Such control by a virtue of polymer architecture and chemistry has the potential to provide important knowledge that could impact the development of useful stimuli-responsive technologies that are often seen in optical cables used for high speed internet, durable "smart fabrics", light sensors, and even drug delivery in cancer therapy. The work has a broader impact through the development of several activities and programs that focus on education of students, especially women and students from underrepresented groups. The research team is further broadening the impact of their work by including and mentoring high school teachers from the greater Atlanta area.This research is focused on the synthesis and reversible self-assembly of monodisperse plasmonic nanorods permanently ligated with photo-responsive polymers. The innovative and highly transformative strategy is focused on (a) designing and crafting monodisperse polymer-tethered plasmonic gold nanorods and nanotubes with accurate control over their dimension, (b) systematic exploration of their structure-dependent optical properties and (c) investigation into light-enabled self-assembly of particles intimately and permanently capped with photo-responsive polymers, and accordingly the reversible optical properties. The knowledge gained from the project has the potential to impact the development of technologies with applications in optics, optoelectronics, catalysis, sensory materials and devices, energy conversion, drug delivery, nanotechnology and biotechnology.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.
在这个由化学系高分子、超分子和纳米化学项目资助的项目中,格鲁吉亚理工学院材料科学与工程学院的林志群教授正在开发一类新的纳米材料,这种材料的表面含有对光敏感的聚合物。 纳米颗粒是非常微小的颗粒,比人的头发“细”500- 100,000倍。 然而,它们的表面积与体积比在传统材料如钢、木材、混凝土或塑料中看到的大几个数量级。 事实上,仅仅几克这样的粒子就可以有一个足球场那么大的面积。以可控的方式组合纳米颗粒以产生具有有用特性的材料通常是非常繁琐且具有挑战性的合成任务。 这项工作极大地简化了纳米颗粒的组装成材料,利用精确设计的聚合物在其表面。 这些聚合物在被光驱动纳米颗粒激活时以受控方式联合收割机结合,因此充当光开关。 通过聚合物结构和化学的优点进行的这种控制具有提供重要知识的潜力,这些知识可能会影响有用的刺激响应技术的发展,这些技术经常出现在用于高速互联网的光缆,耐用的“智能织物”,光传感器,甚至癌症治疗中的药物递送中。 这项工作通过开展若干活动和方案产生了更广泛的影响,这些活动和方案侧重于学生教育,特别是妇女和来自代表性不足群体的学生。 该研究团队正在通过包括和指导来自大亚特兰大地区的高中教师来进一步扩大他们工作的影响。这项研究的重点是单分散等离子体纳米棒的合成和可逆自组装,这些纳米棒与光响应聚合物永久连接。 创新和高度变革性的战略集中在(a)设计和制作单分散聚合物束缚的等离子体金纳米棒和纳米管,并精确控制其尺寸,(B)系统地探索其结构依赖的光学特性,以及(c)研究光响应聚合物紧密和永久覆盖的粒子的光使能自组装,以及相应的可逆光学特性。 从该项目中获得的知识有可能影响光学、光电子、催化、传感材料和设备、能量转换、药物输送、纳米技术和生物技术等应用领域的技术发展。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审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Self-Assembly of Bolaamphiphiles into 2D Nanosheets via Synergistic and Meticulous Tailoring of Multiple Noncovalent Interactions
通过协同和细致的多重非共价相互作用将 Bola 两亲物自组装成二维纳米片
  • DOI:
    10.1021/acsnano.0c09693
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    17.1
  • 作者:
    Li, Zili;Lin, Zhiqun
  • 通讯作者:
    Lin, Zhiqun
Self‐ assembly of block copolymers for biological applications
用于生物应用的嵌段共聚物的自组装
  • DOI:
    10.1002/pi.6327
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    3.2
  • 作者:
    Li, Zili;Lin, Zhiqun
  • 通讯作者:
    Lin, Zhiqun
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Vladimir Tsukruk其他文献

Changes of liquid-crystalline polymer structure with temperature
  • DOI:
    10.1007/bf01045338
  • 发表时间:
    1984-06-01
  • 期刊:
  • 影响因子:
    4.000
  • 作者:
    Vladimir Tsukruk;Valery Shilov;Oksana Lokhonya;Yury Lipatov
  • 通讯作者:
    Yury Lipatov

Vladimir Tsukruk的其他文献

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{{ truncateString('Vladimir Tsukruk', 18)}}的其他基金

Assembly of Novel Branched Ionic Polymers: Chirality Induction and 2D Heterostructures
新型支化离子聚合物的组装:手性感应和二维异质结构
  • 批准号:
    2404081
  • 财政年份:
    2024
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant
Collaborative Research: Organized Nanochannel Materials from Biomolecular Magnetic Organic Frameworks-
合作研究:从生物分子磁性有机框架组织纳米通道材料-
  • 批准号:
    2303580
  • 财政年份:
    2023
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant
Tailored Molecular Transport In Low-Dimensional Hybrid Materials From 1D Nanocrystals And 2D Nanosheets
一维纳米晶体和二维纳米片低维混合材料中的定制分子传输
  • 批准号:
    2202907
  • 财政年份:
    2023
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant
Synthesis and Assembly 2D Heterostructured Hybrid Stacks
合成和组装 2D 异质结构混合堆栈
  • 批准号:
    2200366
  • 财政年份:
    2022
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant
Bio-Optical Computing Devices: Multi-Valued Logic Elements via Photonic Bio-Materials
生物光学计算设备:通过光子生物材料的多值逻辑元件
  • 批准号:
    2203806
  • 财政年份:
    2022
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant
Percolated morphologies of branched-star poly(ionic liquid)s
支化星型聚离子液体的渗透形貌
  • 批准号:
    2001968
  • 财政年份:
    2020
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant
Flexible Bioenabled Chiral Lasing Materials
柔性生物赋能手性激光材料
  • 批准号:
    1803495
  • 财政年份:
    2018
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant
SYNTHESIS, ASSEMBLY, AND ELECTROCHROMIC BEHAVIOR OF NANOSTRUCTURED CONJUGATED POLYMER/METAL INTERFACES
纳米结构共轭聚合物/金属界面的合成、组装和电致变色行为
  • 批准号:
    1506046
  • 财政年份:
    2015
  • 资助金额:
    $ 45万
  • 项目类别:
    Continuing Grant
Responsive Branched Miktoarm and Ionic-Liquid Materials
响应性支化臂和离子液体材料
  • 批准号:
    1505234
  • 财政年份:
    2015
  • 资助金额:
    $ 45万
  • 项目类别:
    Continuing Grant
Nanostructured Surfaces with Selective Biotraps for Sensing
具有用于传感的选择性生物陷阱的纳米结构表面
  • 批准号:
    1401720
  • 财政年份:
    2014
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant

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温敏不育突变体(reversible male sterile)育性转换机制的研究
  • 批准号:
    31770348
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