Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV24)
Publication date: 6th February 2024
Hybrid organic-inorganic perovskite solar cells have tremendous potential for scaling up the solar industry. The high tolerance to defects of perovskite materials allows for cheap manufacturing to make high efficiency solar cells. However, the commercialization of perovskite solar cells is being held back by stability issues under light irradiation and electrical current.
To understand the degradation of perovskite solar cells we use electron backscatter diffraction (EBSD) to study the changes of the crystal structure. EBSD is a scanning electron microscope (SEM) technique that resolves the crystal structure and crystal grain orientations with high spatial resolution. Recently, studying organic-inorganic perovskite materials with EBSD has become possible due to the development of a highly sensitive direct detection EBSD system, allowing very low e-beam currents. However, perovskite materials still suffer from damage due to the e-beam and high vacuum environment in the SEM.
Here we present a systematic investigation on the degradation of perovskite materials in the SEM for EBSD measurements. We investigated coatings and optimized system parameters for measuring perovskites. We study damage of the e-beam separately from damage and degradation by the vacuum environment.
With these optimized measurement parameters and protective coatings, we enable the measurement of perovskite materials under real operating conditions: application of light and voltage bias.
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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.