Publication date: 21st July 2025
The global challenges of climate change and energy availability demand urgent solutions to reduce our dependence on fossil fuels and promote clean, renewable energy alternatives. Among emerging technologies, (photo)electrocatalysis stands out as a promising pathway to produce sustainable fuels and chemicals with minimal environmental impact, supporting the shift toward a low-carbon future.[1]
This presentation focuses on our recent efforts on the development of bismuth vanadate (BiVO₄) as a photoanode material for solar-driven oxidation reactions. BiVO₄ offers multiple advantages—it is composed of relatively Earth-abundant elements, has chemical stability, favorable electronic properties for charge separation, and remains cost-effective. Nevertheless, its practical application is hindered by intrinsic limitations, including sluggish water oxidation kinetics, rapid charge recombination, low charge carrier mobility, and limited carrier diffusion lengths (~70 nm).[2]
To overcome these challenges, we introduce nanostructuring strategies that significantly enhance the material’s performance.[4-5] By integrating organic hole transport layers and catalytic coatings to form efficient heterostructures, we achieve improved activity and long-term stability. Importantly, these enhancements are compatible with scalable production methods: we demonstrate a continuous flow-synthesis approach for fabricating large-area photoelectrodes (up to 50 cm2) with competitive performance.[3] A central aspect of our research is gaining mechanistic insight. Using a suite of spectroscopic techniques, we probe charge carrier dynamics and interfacial processes, revealing the factors that govern device behavior and identifying pathways for further optimization.[6]
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
The International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.