2D polarization resolved optical spectroscopy for exploration of conformation, energy transfer and aggregation of macromolecules (conjugated polymers and proteins) within different environments under the goal to contribute to the improvement of organic bu

二维偏振分辨光谱用于探索不同环境中大分子(共轭聚合物和蛋白质)的构象、能量转移和聚集,目标是促进有机产品的改进

基本信息

项目摘要

This project will explore conformation and aggregation of macromolecules using recently developed 2D polarization imaging techniques (2D POLIM). The aim of the investigation is to establish new insight into the organization of the studied macromolecules with the prospect for improved applications in organic electronics. The studied objects, one the one hand, will be conjugated polymers, which due to their electronic and optical properties are suitable for organic electronics. Application of 2D POLIM to diluted solutions of conjugated polymers in liquid crystal (LC) matrices will enable us to evaluate the topology of the polymer chains/particles and measure the extend of energy transfer within these objects. In contrast to amorphous polymer matrices, LCs provide a known local structure, which can be controlled by temperature and electric field. Establishing of unambiguous correlations between the chain size, chain conformation, degree of aggregation and energy transfer efficiency is still lacking. Such knowledge is especially important for organic electronics where the polymer chain morphology seems to be the key for the device performance. On the other hand, investigation of biopolymers in living cells and in vitro is expected to provide new insight in the complex pathways of their functionality and organization. Functional structures play a prominent role in cell biology. By extending our research activities to the investigation of biological materials, we expect to find viable clues for the improvement of organic solar cells. Preliminary investigation proved the power of 2D POLIM to resolve structures in biomedical samples to be superior to conventional fluorescence spectroscopy techniques. In cooperation with the Wallenberg Neuroscience Center, Bio-Medical Center, Lund University aggregation states in proteins will be explored. The ability of 2D POLIM to resolve energy transfer together with particle orientations, provides a more direct approach on interaction of proteins than other fluorescence microscopy techniques.From the investigations of both materials, we expect new insight for the improvement of organic bulk heterojunction solar cells. The already existing collaboration with the Swedish Center for Organic Electronics (COE) will provide us with materials to directly test structures and material compositions motivated by the results from our studies.
该项目将利用最近开发的二维偏振成像技术(2D POLIM)探索大分子的构象和聚集。研究的目的是建立新的见解,研究大分子的组织与前景,以改善在有机电子学中的应用。一方面,研究对象将是共轭聚合物,由于其电子和光学性质,它适合于有机电子学。将二维POLIM应用于液晶(LC)基质中共轭聚合物的稀释溶液,将使我们能够评估聚合物链/颗粒的拓扑结构,并测量这些物体内能量传递的范围。与无定形聚合物基体相比,lc提供了已知的局部结构,可以通过温度和电场控制。建立链的大小、链的构象、聚集程度和能量传递效率之间明确的相关性仍然缺乏。这些知识对于有机电子学尤其重要,因为聚合物链的形态似乎是器件性能的关键。另一方面,对活细胞和体外生物聚合物的研究有望为其功能和组织的复杂途径提供新的见解。功能结构在细胞生物学中起着重要的作用。通过将我们的研究活动扩展到生物材料的研究,我们期望找到改进有机太阳能电池的可行线索。初步研究证明,二维POLIM在生物医学样品中分辨结构的能力优于传统的荧光光谱技术。隆德大学将与瓦伦堡神经科学中心、生物医学中心合作,探索蛋白质的聚集状态。与其他荧光显微镜技术相比,2D POLIM能够分辨能量转移和粒子取向,为蛋白质相互作用提供了更直接的方法。从这两种材料的研究中,我们期望对有机体异质结太阳能电池的改进有新的见解。与瑞典有机电子中心(COE)的现有合作将为我们提供直接测试结构和材料成分的材料,这些材料是由我们的研究结果驱动的。

项目成果

期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Exploring the Electronic Band Structure of Organometal Halide Perovskite via Photoluminescence Anisotropy of Individual Nanocrystals.
  • DOI:
    10.1021/acs.nanolett.6b02012
  • 发表时间:
    2016-08
  • 期刊:
  • 影响因子:
    10.8
  • 作者:
    Daniela Täuber;A. Dobrovolsky;Rafael Camacho;I. Scheblykin
  • 通讯作者:
    Daniela Täuber;A. Dobrovolsky;Rafael Camacho;I. Scheblykin
Fluorescence correlation spectroscopy in thin films at reflecting substrates as a means to study nanoscale structure and dynamics at soft-matter interfaces.
反射基底薄膜中的荧光相关光谱作为研究软物质界面纳米级结构和动力学的一种手段
  • DOI:
    10.1103/physreve.94.012804
  • 发表时间:
    2016
  • 期刊:
  • 影响因子:
    0
  • 作者:
    D. Täuber;K. Radscheit;C. von Borczyskowski;V. Al. Osipov;M. Schulz
  • 通讯作者:
    M. Schulz
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Dr. Daniela Täuber其他文献

Dr. Daniela Täuber的其他文献

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{{ truncateString('Dr. Daniela Täuber', 18)}}的其他基金

Live Cell 2D polarization imaging (Live2DPOLIM) – an imaging technique for observation of nanoscale protein aggregation and molecular (re-)arrangements in live cells
活细胞二维偏振成像 (Live2DPOLIM) – 一种用于观察活细胞中纳米级蛋白质聚集和分子(重新)排列的成像技术
  • 批准号:
    439139881
  • 财政年份:
  • 资助金额:
    --
  • 项目类别:
    Research Grants

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用于胶原组织的偏振分辨二次谐波发生显微镜
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