Organic and perovskite solar modules innovated by adhesive top electrode and depth-resolved laser patterning

G.D. Spyropoulos, C.O. Ramirez Quiroz, M. Salvador, Y. Hou, N. Gasparini, P. Schweizer, J. Adams, P. Kubis, N. Li, E. Spiecker, T. Ameri, H.-J. Egelhaaf, C.J. Brabec

Research output: Contribution to journalArticlepeer-review


We demonstrate an innovative solution-processing fabrication route for organic and perovskite solar modules via depth-selective laser patterning of an adhesive top electrode. This yields unprecedented power conversion efficiencies of up to 5.3% and 9.8%, respectively. We employ a PEDOT:PSS-Ag nanowire composite electrode and depth-resolved post-patterning through beforehand laminated devices using ultra-fast laser scribing. This process affords low-loss interconnects of consecutive solar cells while overcoming typical alignment constraints. Our strategy informs a highly simplified and universal approach for solar module fabrication that could be extended to other thin-film photovoltaic technologies. © 2016 The Royal Society of Chemistry.
Original languageEnglish
Pages (from-to)2302-2313
Number of pages12
JournalEnergy and Environmental Science
Issue number7
Publication statusPublished - 2016


  • Conducting polymers
  • Electrodes
  • Laminated composites
  • Organic lasers
  • Perovskite
  • Solar cells
  • Solar power generation
  • Depth-resolved
  • Fabrication routes
  • Innovative solutions
  • Laser patterning
  • Photovoltaic technology
  • Power conversion efficiencies
  • Solar module
  • Universal approach
  • Solar cell arrays
  • efficiency measurement
  • electrode
  • film
  • innovation
  • laser method
  • perovskite
  • photovoltaic system

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