Proceedings of Catalyst Design Strategies for Photo- and Electrochemical Fuel Synthesis (ECAT25)
Publication date: 19th December 2024
Recent advancements in the molecular design of organic semiconductors have significantly boosted their optoelectronic properties, achieving notable gains in organic photovoltaic device's efficiency and, more recently, serving as photocatalysts for solar-to-fuel production. [1] In my talk, I will discuss the challenge of the solar-driven synthesis of sustainable fuels and the potential role of organic semiconductor photocatalysts for artificial photosynthesis. I will then introduce our recent investigations on the correlation of the charge carrier dynamics and photocatalytic efficiency of polymer nanoparticulate systems by combining advanced optical transient spectroscopies over twelve orders of magnitude in time and using pulsed and continuous light illumination. [1,2] I will focus on single conjugated polymer nanoparticles and donor/acceptor bulk heterojunction nanoparticles photocatalysts, addressing the correlation between charge carrier lifetime and photocatalyst performance for hydrogen production, and discussing the similarities and differences between the function of such organic nanoparticle photocatalysts and thin films fabricated from the same materials.
We acknowledge financial support from Generalitat de Valencia (CIDEIG/2023/17)
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