Time resolved spectroscopy of 21st century materials

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This project is a physical chemistry project that will involve the development of advanced computational andspectroscopic techniques for the investigation of novel 21st century materials. We will focus on the use of state-ofthe-art, time resolved, transient absorption and emission spectroscopy to interrogate a range of compounds bothorganic and inorganic compounds of potential industrial relevance. In the first instance, we will investigate thephotophysical properties of a range of quinoxalene based iridium complexes, which are remarkably useful astunable phosphors. We will use both experimental and computational chemistry techniques to assist in theunderstanding of the electronic character of these complexes, for example examining the position and intensity ofabsorption and emission bands relative to the ligand design and binding motifs, and how the magnitude of the spinorbit coupling matrix elements alter the emissive properties. We then seek to use this structure-activity informationto inform upon the rational design of inorganic complexes synthesized for their high triplet-triplet annihilationupconversion efficiencies, and how we might maximise the electron energy transfers involved in the upconversionprocess.