Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV24)
Publication date: 6th February 2024
In recent years, lead (Pb)-halide perovskite has garnered the scientific community's attention due to its impressive optoelectronic properties.[1] However, the inherent toxicity of Pb, its regulation, and concerns over stability, have hindered its commercial viability and limited the optoelectronic applications of lead halide perovskites to the laboratory.[1] This has been a driving force for the development of Pb-free perovskite-related materials, leading to the exploration of “Elpasolites” metal halide double perovskites (HDP) and layered metal halide double perovskites (LHDP).[1-3] In theory this has been a promising avenue of research with both HDPs A₂M(I)M(III)X₆ and LHDPs A₄M(II)M(III)₂X₁₂ having increased compositional space.[3] While the development of HDPs has solved concerns of Pb toxicity and shows improved stability compared to lead halide perovskites, they´ve generally exhibited indirect and unsuitable bandgaps, alongside difficulty with the fabrication of homogenous films for device applications.[1-3] LHDPs have also been demonstrated to have increased stability relative to lead halide perovskites, have more suitable bandgaps for photovoltaics applications compared to HDPs, and are easy to modulate their optical and magnetic properties.[4] Of the LHDPs Cs₄CuSb₂Cl₁₂ has shown promising optoelectronic properties with high stability and wide spectral absorbance and tuneable bandgap through the effects of quantum confinement.[5] In this work we have focused on the synthesis of the LDHP Cs₄CuSb₂Cl₁₂ nanocrystals by hot injection method which exhibit higher bandgap (~1.92 eV) compared to its bulk materials (~1.0 eV)[5]. Further, its intermediate alloys with transition metals have been explored to modulate their optoelectrical and structural properties for their implementation in optoelectronics and other applications.[5]
We would like to thank the Spanish Ministry of Science and Innovation (ARISE, PID2019111774RB-100) & HERALD (FUNDACIÓN BBVA) for financial assistance.
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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.