DOI: https://doi.org/10.29363/nanoge.pvspace.2022.009
Publication date: 8th June 2022
Perovskite devices are known to degrade when exposed to far UV radiation [1][2]. The spectrum of sunlight in space, AM0, contains more UV radiation than the typical AM1.5 spectrum used in the industry to characterize photovoltaic devices. Often, Xenon-based light sources are used to mimic the AM1.5 spectrum. Considering the low amount of UV radiation, LED based illumination has the potential to better mimic the AM0 spectrum. Multiple LEDs with different illumination peaks are used in conjunction and controlled independently. To estimate the match of the LED spectrum with AM0, the LEDs are placed behind a monochromator and an EQE is performed on a perovskite. From this EQE, the mismatch factor is obtained. This factor is used to correct the JV curve obtained with the same illumination.
LED based light sources also allow for pure ultraviolet light to investigate the degradation effects of perovskites due to UV light. A sealed chamber allowing for an inert atmosphere was developed for stability measurements. Localized peltier elements and small area near-proximity high-power LEDs allow for very fast cycling in both temperature and irradiance, respectively. Additionally, in operando PL-EL can be performed during stability measurements to extract radiative recombination and, hence, the status of the active layer.
nanoGe is a prestigious brand of successful science conferences that are developed along the year in different areas of the world since 2009. Our worldwide conferences cover cutting-edge materials topics like perovskite solar cells, photovoltaics, optoelectronics, solar fuel conversion, surface science, catalysis and two-dimensional materials, among many others.
Previously nanoGe Spring Meeting (NSM) and nanoGe Fall Meeting (NFM), MATSUS is a multiple symposia conference focused on a broad set of topics of advanced materials preparation, their fundamental properties, and their applications, in fields such as renewable energy, photovoltaics, lighting, semiconductor quantum dots, 2-D materials synthesis, charge carriers dynamics, microscopy and spectroscopy semiconductors fundamentals, etc.
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.