Proceedings of 13th Conference on Hybrid and Organic Photovoltaics (HOPV21)
Publication date: 11th May 2021
Metal halide perovskite solar cells (PSCs) are one of the most promising photovoltaic technologies to date, with their reported power conversion efficiencies (PCEs) increasing from 3.8 % in 2009 to over 25 % today. In this study, we aim to improve the photovoltaic parameters of PSCs through interface engineering. Specifically, we focus on enhancing device open circuit voltage (Voc), which is one of the most limiting parameters associated with losses in PCE.
Numerous studies have shown that Voc losses can be attributed to non-radiative recombination within bulk perovskite films and/or at the interface between charge transport layers. Here, strategies to improve Voc by suppressing non-radiative losses through interface engineering will be discussed. Specifically, we investigate two triarylamine polymer derivatives- PTAA and PF8TAA -as hole transport layers (HTLs) in FACsPbI3 PSCs. Using a suite of optical, structural and electrical characterisation techniques we study modifications in microstructure, absorption and stability of PSCs prepared using these HTLs. Our results focus on the impact of the energy of the highest occupied molecular orbital (HOMO) level of the HTL and the impact this has on device performance and lifetime.
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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.