Perovskite solar cells and large area modules (100 cm2) based on an air flow-assisted PbI2 blade coating deposition process

Stefano Razza, Francesco Di Giacomo, Fabio Matteocci, Lucio Cinà, Alessandro Lorenzo Palma, Simone Casaluci, Petra Cameron, Alessandra D'epifanio, Silvia Licoccia, Andrea Reale, Thomas M. Brown, Aldo Di Carlo

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Abstract

The present work focuses on research into alternative and more scalable processes for organometal halide perovskite layer deposition. We compare solar cells fabricated by sequential step deposition of the perovskite layer, where the PbI2 film is deposited using either blade or spin coating. By controlling the crystallization of the PbI2 with air flow, a highly compact layer was obtained with both techniques. The final perovskite structure was then obtained by dipping the substrates in a methylammonium iodide solution. The study and the consequent optimization of the blade coating process and the dipping time, led us to achieve 10 mm2 solar cells with a maximum efficiency of 13.3% and an average efficiency of 12.1%. To prove the scalability of the process, series connected modules were fabricated containing blade coated PbI2 films. The films were laser patterned with a CO2 laser before being dipped in the methylamine iodide solution. A module efficiency of 10.4% was obtained for a 10.1 cm2 active area. An efficiency of 4.3% was measured for a module area of 100 cm2.
Original languageEnglish
Pages (from-to)286-291
JournalJournal of Power Sources
Volume277
Early online date3 Dec 2014
DOIs
Publication statusPublished - 1 Mar 2015

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air flow
blades
solar cells
modules
Perovskite
coatings
Coatings
Iodides
Air
dipping
iodides
coating
Solar cells
Lasers
Spin coating
Crystallization
halides
lasers
Scalability
crystallization

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Perovskite solar cells and large area modules (100 cm2) based on an air flow-assisted PbI2 blade coating deposition process. / Razza, Stefano; Di Giacomo, Francesco; Matteocci, Fabio; Cinà, Lucio; Palma, Alessandro Lorenzo; Casaluci, Simone; Cameron, Petra; D'epifanio, Alessandra; Licoccia, Silvia; Reale, Andrea; Brown, Thomas M.; Di Carlo, Aldo.

In: Journal of Power Sources, Vol. 277, 01.03.2015, p. 286-291.

Research output: Contribution to journalArticle

Razza, S, Di Giacomo, F, Matteocci, F, Cinà, L, Palma, AL, Casaluci, S, Cameron, P, D'epifanio, A, Licoccia, S, Reale, A, Brown, TM & Di Carlo, A 2015, 'Perovskite solar cells and large area modules (100 cm2) based on an air flow-assisted PbI2 blade coating deposition process', Journal of Power Sources, vol. 277, pp. 286-291. https://doi.org/10.1016/j.jpowsour.2014.12.008
Razza, Stefano ; Di Giacomo, Francesco ; Matteocci, Fabio ; Cinà, Lucio ; Palma, Alessandro Lorenzo ; Casaluci, Simone ; Cameron, Petra ; D'epifanio, Alessandra ; Licoccia, Silvia ; Reale, Andrea ; Brown, Thomas M. ; Di Carlo, Aldo. / Perovskite solar cells and large area modules (100 cm2) based on an air flow-assisted PbI2 blade coating deposition process. In: Journal of Power Sources. 2015 ; Vol. 277. pp. 286-291.
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