Proceedings of Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP24)
Publication date: 18th October 2023
A lot of methods are being used to enhance power conversion efficiency(PCE) of perovsktie solar cells(PSC), and one of the method is additive engineering. Additive engineering can improve perovskite film crystallization and reduce defect density. In organic-inorganic hybrid solar cells, crown ether molecules have been utilized to passivate perovskite defect at interfaces or grain boundaries. However, this strategy has been underexploited in perovskite photovoltaics, and the underlying mechanisms are not well understood. Herein, we studied influence of crown ether derivatives, 15C5(15-crown-5), B15C5(Benzo-15-crown-5, 2A-15C5((15-crown-5)-2-methylamine), 4A-B15C5(4’-aminobenzo-15-crown-5 on perovskite crystal growth and solar cell device performance. We demonstrate the propensity of crown ether modulators to interact with Pb2+ cations at the perovskite interface by density functional theory calculations. This has been shown to facilitate oriented crystal growth and homogeneous film formation, as revealed by X-ray diffraction analysis complemented by scanning electron microscopy. As a result, we found that crown ether derivatives controlled perovskite crystal growth by interacting with Pb2+, and consequently we succeed to improve PCE.
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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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