Publication date: 22nd July 2026
The direct conversion of solar energy into chemical fuels represents one of the most promising strategies for achieving a sustainable energy future. Among the emerging classes of photocatalysts, metal halides perovskites and perovskite inspired materials have recently attracted considerable attention owing to their outstanding optoelectronic properties, compositional versatility, and the possibility of tailoring their electronic structure through rational materials engineering. Nevertheless, their practical implementation in solar fuel generation still requires a deeper understanding of the relationship between composition, crystal structure, charge-carrier dynamics, and catalytic activity. This contribution will discuss recent advances in the design of metal halides for solar-driven hydrogen and ammonia production, highlighting how compositional engineering, dimensionality control, alloying strategies, defect chemistry, and heterostructure design can be exploited to optimize visible-light absorption, charge separation, and interfacial reaction kinetics. Particular attention will be devoted to lead-free perovskite-inspired materials based on Bi- and Sb-halides, whose electronic structure can be tuned through metal alloying to achieve significantly reduced band gaps while preserving their intrinsic chemical stability. The role of scalable vapor-phase deposition techniques for producing high-quality thin films and model systems for mechanistic investigations will also be discussed. Beyond materials development, emphasis will be placed on the mechanistic understanding of photocatalytic processes, combining advanced structural and spectroscopic characterization with activity studies to identify the key factors governing charge generation, transport, and surface reaction pathways. These insights provide fundamental design principles for the development of next-generation metal halide photocatalysts and contribute to establishing a rational framework for the realization of efficient, stable, and sustainable solar fuel technologies.
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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.
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
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.