Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV23)
Publication date: 30th March 2023
Laboratory scale power conversion efficiencies (PCE) of ABX3 type perovskite solar cells has increased to over 25%. However, the typical solution-processed method involves spin-cast, antisolvents, or gas quench and uses N,N-Dimethylformamide (DMF) solvent, making it challenging to transfer for scalable fabrication. Here, we optimize a completely antisolvents/gas and DMF free solvent system for FAPbI3 based p-i-n architecture solar cells using 2-methoxyethanol. Incorporating a non-volatile and Pb2+ co-ordinating N-Methylpyrrolidone additive helps in achieving rapid dying while the deposition process at room temperature. In comparison to commonly used Pb2+ co-ordinating agents (such as DMSO or DMPU DMAc), we see no precipitation formation at any concentration. Along with high reproducibility, we recorded the highest PCE of 20.07 % [Jsc=24.19mA.cm2, Voc=1.03V and FF=80.04%] for an area of 25mm2, owing to enhanced photoluminescence quantum efficiencies, compact and pin-hole free morphology, and highly oriented crystal structure. The expansion of this technique to the processing of large areas would be straightforward.
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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.
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