Ultrafast Spectroscopy of Organic and Hybrid Optoelectronic Materials

在博士课程中，Ben将利用高强度红外激光器的经验开发有机和混合光电材料光谱学的新工具。他将为光谱实验开发新光源，该实验基于通过相干激光诱导等离子体传播的超快脉冲。该光源将用于产生强而短的光脉冲，其带宽跨越太赫兹和可见光区域。然后，开发的光源将用于激发，随后探测光谱实验中的光电材料，以揭示有关激发态动力学的新信息。Ben将把开发的光源应用于塑料材料的红外和太赫兹光谱，包括混合铅卤化物钙钛矿和有机大分子，包括新型共轭聚合物和所谓的非富勒烯电子受体。该技术将进一步授权使用多个激发脉冲和光谱干涉。在超快实验中获得的结果将有助于电子器件的开发，特别是太阳能电池和发光二极管。

Over the course of the PhD, Ben will use with experience with high intensity IR lasers to develop new tools in the spectroscopy of Organic and Hybrid optoelectronic materials. He will develop new light source for spectroscopy experiments that is based on ultrafast pulses propagating through coherent laser induced plasma. This sources will be used for generating intense and short optical pulses with bandwidths spanning the terahertz and visible regions. The developed light source will then be used to excite, and subsequently probe, optoelectronic materials in spectroscopic experiments to reveal new information about the dynamics of the excited states. Ben will apply the developed source for IR and THz spectroscopy of plastic materials including hybrid lead-halide perovskites and organic macromolecules including new types of conjugated polymers and so-called non-fullerene electron acceptors. The technique will be further empowered by the use of multiple excitation pulses and spectral interferometry. The results obtained in ultrafast experiments will be instrumental for electronic device development, particularly solar cells and light emitting diodes.