Proceedings of 6th International Conference on Hybrid and Organic Photovoltaics (HOPV14)
Publication date: 1st March 2014
We fabricated the first perovskite-based monolithic series-type module showing very promising results in terms of the power conversion efficiency, the reproducibility of the fabrication process and long-term stability. To achieve these results, important innovative procedures were implemented in order to realize an efficient up-scaling process including:
- a customised formulation of TiO2 paste to realize a uniform thin titania scaffold by Screen Printing technique
- a proper cleaning procedure of the CH3NH3PbI3-xClx on the interconnection area between single cells to realize a patterned perovskite deposition
- a c-TiO2 patterned deposition
Furthermore, two different HTMs were used, i.e. the Spiro-OMeTAD and the P3HT polymer both reaching a PCE equal to 5.1%. The P3HT was utilized as cost-effective alternative material also to test the reproducibility of the fabrication process. These fabrication processes were here used for the first time to define a reproducible fabrication procedure applicable to large area. To achieve better performance in terms of PCE and long-term stability, future developments will concentrate on the study of efficient sealants, the optimisation of the perovskite deposition and the cleaning procedure of the interconnection area between neighbouring cells.
Perovskite-based solar module: Module Image and Up-scaling procedures
Di Giacomo F., Razza S., Matteocci F., D'Epifanio A., Licoccia S., Reale A., Brown T.M., Di Carlo A., High efficiency CH3NH3PbI(3−x)Clx perovskite solar cells with poly(3-hexylthiophene) hole transport layer. Journal of Power Sources 2014, 251, 152-156. Matteocci F., Razza S., Di Giacomo F., Casaluci S., Mincuzzi G., Brown T.M.,D'Epifanio A., Licoccia S., Di Carlo A.. Solid-state solar modules based on mesoscopic organometal halide perovskite: a route towards the up-scaling process. DOI: 10.1039/C3CP55313B.
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