Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV16)
Publication date: 28th March 2016
During the short time since their discovery, organic-inorganic halide perovskites have exploded in popularity as promising light harvesters for photovoltaic devices with published power-conversion efficiencies (PCEs) now exceeding 21%. While the majority of research in the field employs fluorine-doped tin oxide (FTO) coated glass, the bulk associated with glass makes roll-to-roll upscaled production inherently difficult. Tin-doped indium oxide (ITO) coated polymer substrates have also been investigated but suffer from mechanical fragility and uncertain materials costs as a result of indium’s volatile price. Metallic substrates offer a scalable, low-cost and robust alternative to such transparent conducting oxides (TCOs). Previous processing methods carried out on titanium metal foils as substrates produced efficiencies in excess of 10%, however such methods may not be applicable to lower-cost metals such as steels owing to detrimental surface oxidation from high temperature sintering treatments.
In this work, we present flexible perovskite solar cells using very low cost, commercially viable metallic substrates. By reducing processing temperatures, we are able to produce efficient devices on flexible metal foils including steel, nickel and zinc, which would otherwise be unavailable due to thermal oxidation. We examine the interaction between metal substrate, thermally evolved oxide and photovoltaic active layers using XPS in order to highlight the requirement for low temperature processing. In addition, we present relatively large active-area cells fabricated using scalable printing techniques which offer routes to the eventual commercialisation of such devices.
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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.