Proceedings of International Conference on Hybrid and Organic Photovoltaics 2015 (HOPV15)
Publication date: 5th February 2015
More than 90% of existing perovskite solar cells are typically prepared by wet solution-coating processes such as spin-coating, which has been the most popular method for solution-processed devices. This method is convenient, but has several disadvantages, such as stress caused by spinning motion, poor uniformity of edges on large areas, and a large amount of wasted solution. These factors make spin-coating unsuitable for coating large active areas. In case of the polymers or small molecules, the change of the deposition technique doesn’t significantly influence material itself. In case of the organic/inorganic hybrids like methylammonium-lead-iodide perovskite their crystals are formed “in situ” from two different precursors while depositing, making scaling up the area even more challenging and difficult. An alternative method for depositing solution is to use printing technique. Here we show, how to obtain and optimize the perovskite films by precise, non-contact digital ink-jet printing technique on foil substrates making the process easily scalable. The printing process is vacuum-free and compatible with mass production environment. High resolution printed patterns could be a step toward simple, light-weight, flexible perovskite module preparation.
Ink jet printed, perovskite "MRS" logo.
sauletech.com
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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.
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