Panasonic claims 16% efficiency for its lightweight perovskite module

January 24, 2020
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The perovskite module was prepared on a 30 cm × 30 cm thin glass substrate and had a total thickness of 2 mm. Panasonic attributes the resulting efficiency to the use of an inkjet coating method and to a series of adjustments made to the perovskite's crystal structure. The latter involved replacing methylamine – the standard methylammonium cation – with formamidinium, cesium, and rubidium, though the exact proportions were not disclosed. This announcement puts Panasonic on the front line of perovskite innovation after having co-developed a flexible cell with Sekisui Chemical in 2018. However, clients should be aware of the niche market for single-junction perovskites, which comprises applications like deployments on nonflat surfaces. 

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