Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV22)
DOI: https://doi.org/10.29363/nanoge.hopv.2022.298
Publication date: 20th April 2022
Realising utility-scale multi-junction perovskite solar cells would represent a fundamental shift in the PV landscape by reducing the levelised cost of electricity and accelerating the global transition to a greener future. As such, developing 2 eV absorber materials for use as a top cell absorber in triple junction cells is of vital importance. Whilst many of the material requirements can readily be met by compositionally tuning the halide ratio in traditional hybrid perovskite solar cells, concerns remain over the toxicity of lead, and light-induced phase segregation. In this work, we present a novel alternative, Cu2AgBiI6, which overcomes these challenges. For the first time, we demonstrate that Cu2AgBiI6 can be thermally evaporated using triple-source co-evaporation. We present a thorough characterisation of its structural and optoelectronic properties, and show annealing films post-deposition in ambient air or I2-vapor greatly improves optoelectronic properties through enhanced photoluminescence and charge carrier lifetime. However, we find that improved optoelectronic properties do not necessarily result in more efficient devices. By correlating structural, compositional, optoelectronic, and device data, we shed new light on this novel material, and provide promising routes to further efficiency gains.
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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.