Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV24)
Publication date: 6th February 2024
The swift advancement of perovskite solar cell technology positions them as compelling contenders for the next wave of thin film photovoltaic devices, whether utilized as standalone solar cells or integrated into tandem structures with silicon modules etc. The appeal of perovskite solar cells stems from their facile processing conditions, tuneable properties, and high efficiency. Additive engineering has proved to be an impeccable technique to augment their stability and optimize performance. However, the impact of the additives on the fundamental mechanisms governing charge carrier generation and recombination is still ambiguous.
In this presentation, I will discuss the study of fluorinated additives on the carrier dynamics of hybrid perovskite films through ultrafast spectroscopy. In our previous investigation, these additives tended to phase separate during the deposition process, concentrating at the surface of the perovskite film. We, therefore, probed the surface and bulk of the film using transient reflectance and transmission measurements. The Maximum Entropy Method (MEM) was used to obtain a lifetime distribution and the most probable model was used for fitting the decay kinetics. The investigation revealed that the presence of the additive at a low concentration led to faster recombination occurring near the film surface. The correlation of these kinetics to the device performance will also be discussed.
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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.