Developing sustainable and carbon neutral alternatives to support our fuel demand is a technological challenge. Harnessing solar energy to produce hydrogen (H2) as a fuel will be a good choice as combustion of H2 has no negative environmental impact. To design efficient artificial photosynthesis assembly to store solar energy, it is imperative to study photoinduced electron ransfer processes with variuos multimolecular systems in water. In our group we synthesized mononuclear Ni and Cu complexes that can act as catalyst for hydrogen evolution reaction (HER). These complexes are supported by tetradenate amine/pyridine ligand. In this talk recent results about synthesis, characterization and potential of these complexes toward photoinduced electron transfer with CDTe QD as photosensitizer will be discussed. In the past, we have also investigated effect of electron donating groups on the pyridine ring of the ligand toward H2 production. Data will be presented here which discuss structure-activity relationship of these complexes toward electron-transfer rates.

Unedrstanding photoinduce electron transfer processes of a bimolecular assembly of MPA-CDTeQD phtosensitizer and coordination complexes

ACS Spring 2022

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