Published May 18, 2018 | Version v1
Journal article Open

Low Temperature, Solution-processed Perovskite solar cells and modules with an Aperture Area efficiency of 11%

Authors/Creators

  • 1. C.H.O.S.E. (Centre for Hybrid and Organic Solar Energy), Department of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, Rome 00133, Italy
  • 2. Department of Sciences, University Roma Tre, Via della Vasca Navale 79, 00146 Rome, Italy
  • 3. IOM-CNR Laboratorio TASC, SS 14, km 163,5 Basovizza, I-34149 Trieste, Italy Elettra-Sincrotrone Trieste S.C.p.A., S.S. 14 km 163.5, 34149 Basovizza, Trieste, Italy
  • 4. IOM-CNR Laboratorio TASC, SS 14, km 163,5 Basovizza, I-34149 Trieste, Italy
  • 5. C.H.O.S.E. (Centre for Hybrid and Organic Solar Energy), Department of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, Rome 00133, Italy LASE - Laboratory for Advanced Solar Energy, National University of Science and Technology "MISiS", 119049 Leninskiy prosect 6. Moscow, Russia

Description

Planar perovskite solar cells and modules were realized by using low temperature solution-process fabrication procedures. The photovoltaic performance was improved by optimizing a SnO2 electron transport layer and its interface with the perovskite layer. We achieved a power conversion efficiency (PCE) of 17.3% on small area cell (0.09 cm2) with negligible hysteresis and a steady-state PCE equal to 17.4%. Furthermore, shelf life tests showed a relative decrease of only 5% in PCE from its initial value after 1000 h of storage in dark conditions in air (RH 20%). Up-scaling of the technology was implemented entirely in air with fabrication of modules with a high aperture ratio of 91%. The modules delivered a maximum PCE of 13.1% obtained on an active area of 13.8 cm2 and of 11.9% on an aperture area of 15.2 cm2 representing state of art performance for fully low temperature solution processed planar perovskite solar modules

Notes

The CHOSE team gratefully acknowledges the project funding of PERSEO-"PERovskite-based Solar cells: towards high Efficiency and lOng-term stability" (Bando PRIN 2015-Italian Ministry of University and Scientific Research (MIUR) no. 20155LECAJ), the European Union's Horizon 2020 Framework Program for funding Research and Innovation under Grant agreement no. 653296 (CHEOPS) for funding and the Italian Ministry of Economic Development in the framework of the Operating Agreement with ENEA for Research on the Electric System PAR 2016), A.D.C. gratefully acknowledge financial support of the Ministry of Education and Science of the Russian Federation in the framework of Megagrant (№14.Y26.31.0027).

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Additional details

Funding

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