Publication date: 5th November 2025
For meeting the future electricity demands of a Net-Zero 2050 society, particularly at the terawatt scale, solar technologies that combine high power conversion efficiency with low cost per peak watt are indispensable. Before the emergence of perovskite solar cells (PSCs), only a few material systems could simultaneously satisfy these requirements. This presentation traces the evolution leading to practical solid-state PSCs. It begins with early photovoltaic concepts and the use of inorganic quantum dots such as nanocrystalline PbS as light harvesters—materials that, despite their promise, suffered from severe surface-defect-mediated recombination. Recognizing these limitations, methylammonium lead triiodide (MAPbI3) perovskite was introduced as an alternative light absorber. However, its initial use in liquid-electrolyte dye-sensitized architectures yielded poor efficiencies (3–4% in 2009) and instability due to perovskite dissolution. A major breakthrough came in 2012 with the demonstration of a 9.7% efficient and 500-hour-stable PSC employing a solid-state hole-transporting layer [1], establishing PSCs as a viable photovoltaic technology. Subsequent rapid advancements pushed efficiencies to nearly 27% using FAPbI3 absorbers, surpassing many existing technologies. Current research now centers on further enhancing efficiency and operational durability to enable industrial deployment. Achieving commercially viable PSCs will require intensified efforts in additive and interface engineering, together with a deeper mechanistic understanding of degradation pathways.
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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.