Published November 3, 2017 | Version v1
Journal article Open

Closing the Cell-to-Module Efficiency Gap: A Fully Laser Scribed Perovskite Minimodule With 16% Steady-State Aperture Area Efficiency

  • 1. CSEM PV-Center, Neuchâtel 2002, Switzerland
  • 2. Centre for Hybrid and Organic Solar Energy, University of Rome "Tor Vergata", Rome 00133, Italy


Organic–inorganic halide perovskite solar cells show increasing power conversion efficiencies, approaching the values of silicon-based devices. To date, however, most of the reported record efficiencies for perovskite solar devices are obtained on single cells with active areas significantly below 1 cm2. Hence, demonstrating highly efficient devices with an upscaled active area is one of the key challenges faced by this technology. Here, we demonstrate the successful use of thin-film laser patterning techniques to produce 14 cm2 modules with steady-state aperture area efficiencies as high as 16% and a geometrical fill factor of 92%.


The project comprising this work is evaluated by the Swiss National Science Foundation and supported in part by and in part by the NRP 70 "Energy Turnaround" Program with financing from the Swiss National Science Foundation and the Swiss Federal Office of Energy, under Grant SI/501072-01. This work was also supported by the European Union's Horizon 2020 research and innovation program under grant No. 653296 (CHEOPS).



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CHEOPS – Production technology to achieve low Cost and Highly Efficient phOtovoltaic Perovskite Solar cells 653296
European Commission