Laser Processing Optimization for Large-Area Perovskite Solar Modules

Stefano Razza, Sara Pescetelli, Antonio Agresti and Aldo Di Carlo
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Stefano Razza: CHOSE—Centre for Hybrid and Organic Solar Energy, Electronic Engineering Department, University of Rome Tor Vergata, via del Politecnico 1, 00133 Rome, Italy
Sara Pescetelli: CHOSE—Centre for Hybrid and Organic Solar Energy, Electronic Engineering Department, University of Rome Tor Vergata, via del Politecnico 1, 00133 Rome, Italy
Antonio Agresti: CHOSE—Centre for Hybrid and Organic Solar Energy, Electronic Engineering Department, University of Rome Tor Vergata, via del Politecnico 1, 00133 Rome, Italy
Aldo Di Carlo: CHOSE—Centre for Hybrid and Organic Solar Energy, Electronic Engineering Department, University of Rome Tor Vergata, via del Politecnico 1, 00133 Rome, Italy

Energies, 2021, vol. 14, issue 4, 1-15

Abstract: The industrial exploitation of perovskite solar cell technology is still hampered by the lack of repeatable and high-throughput fabrication processes for large-area modules. The joint efforts of the scientific community allowed to demonstrate high-performing small area solar cells; however, retaining such results over large area modules is not trivial. Indeed, the development of deposition methods over large substrates is required together with additional laser processes for the realization of the monolithically integrated cells and their interconnections. In this work, we develop an efficient perovskite solar module based on 2D material engineered structure by optimizing the laser ablation steps (namely P1, P2, P3) required for shaping the module layout in series connected sub-cells. We investigate the impact of the P2 and P3 laser processes, carried out by employing a UV pulsed laser (pulse width = 10 ns; λ = 355 nm), over the final module performance. In particular, a P2 process for removing 2D material-based cell stack from interconnection area among adjacent cells is optimized. Moreover, the impact of the P3 process used to isolate adjacent sub-cells after gold realization over the module performance once laminated in panel configuration is elucidated. The developed fabrication process ensures high-performance repeatability over a large module number by demonstrating the use of laser processing in industrial production.

Keywords: perovskite solar cells and modules; P1, P2, P3 laser scribe; scaling-up; monolithic interconnections; 2D materials (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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