Optical Sensing and Energy Transfer in Luminescent and Conductive COORNET Mixed-Matrix Membranes

这一联合方案的目的是研究发光配位网络(COORNETs)和发光SURMOF薄膜中的基本光物理性质和能量传递，以及两者在包括导电聚合物基质的聚合物膜中的嵌入。除了分析研究外，还将对能量传递机制进行模拟和建模。此外，将对比研究COORNETs/SURMOF/复合材料与相关大气气体水分和氧气相互作用的光物理过程，因为通过向分析物或从分析物传递能量对发光进行调制而读出的传感器是主要的传感器功能。COORNET/SURMOF发光的氧和水敏感性应通过将其嵌入到有机聚合物薄膜中来控制、调制和利用，因为这种嵌入到聚合物薄膜中会影响光物理参数(过程、强度、路径和机制中的能量传递、寿命和效率)。因此，该项目通过机制研究和光物理性质的调节来解决基础科学问题。这将有助于更好地理解所涉及的过程，包括用于传感的属性调制的能量转移及其性质。此外，该项目还对COORNET成型的基本方面做出了贡献，并解决了COORNET/SURMOF-聚合物兼容性、化学稳定性和聚合物渗透性等参数。所有这些都与小分子的传感/检测有关。因此，复合材料的目标是在稳定性、操纵性和长期监控方面超过经典的络合物和块状COORNETs，同时保持发光传感过程的一般敏感性。通过将导电聚合物与发光COORNET和SURMOF相结合，将开发出从新型传感器到新型MOF电致发光器件的新型光电子元件和器件。电致发光是配位化学的一项重大成就。

The objective of this joint proposal is to study the fundamental photophysical-properties and energy transfer in luminescent coordination networks (COORNETs) and in luminescent SURMOF thin films as well as the embedding of both into polymer membranes including conductive polymer matrixes. In addition to analytical investigations, simulation and modeling of energy transfer mechanisms will be performed. Furthermore, the photophysical processes accompanying the interaction of COORNETs/SURMOFs/composites with the relevant atmospheric gases moisture and oxygen will be investigated in comparison, as a sensor read out by modulation of the luminescence by energy transfer to or from analytes acts as the main sensor function. Oxygen and water sensitivity of COORNET/SURMOF luminescence shall be controlled, modulated and utilized by embedding them in organic polymer films, as photophysical parameters (processes, intensity, energy transfer in pathways and mechanism, lifetimes and efficacy) can be affected by such embedding of COORNETs/SURMOFs into polymer films. Thereby, the project addresses fundamental science by mechanistic investigation and modulation of photophysical properties. This will lead to a better understanding of the processes involved including energy transfer and its nature for the property modulation used for sensing. Furthermore, the project also contributes to the fundamental aspect of COORNET shaping and addresses parameters such as COORNET/SURMOF-polymer compatibility, chemical stability and polymer permeability. All of them are relevant for the sensing/detection of small molecules. Thereby, composites are aimed at that exceed classic complexes and the bulk COORNETs in stability, handling and long-term monitoring while retaining the general sensitivity of the luminescence sensing process. By combining conductive polymers with luminescent COORNETs and SURMOFs, novel optoelectronic components and devices shall be developed ranging from new sensors to novel MOF based electroluminescence devices. Electro¬luminescence constitutes a major achievement for coordination chemistry.