Printed light-trapping nanorelief Cu electrodes for full-solution processed flexible organic solar cells

Kan Li, Yaokang Zhang, Hongyu Zhen, Liyong Niu, Xu Fang, Zhike Liu, Feng Yan, Weidong Shen, Haifeng Li, Zijian Zheng

Research output: Journal article publicationJournal articleAcademic researchpeer-review

3 Citations (Scopus)


Light-trapping nanorelief metal electrodes have been proven to be an effective approach to improve the absorption performance of flexible organic solar cells (FOSCs). These nanorelief electrodes have been made by conventional vacuum deposition techniques, which are difficult to integrate with rollto- roll fabrication processes. To address this challenge, this paper reports, for the first time, the fabrication of highly conductive nano relief Cu electrodes on the flexible substrates through solution printing and polymer-assisted metal deposition at room temperature in the air. FOSCs made with these printed nanorelief Cu electrodes possess not only much improved power conversion efficiency, by 13.5%, but also significant enhancement in flexibility when compared with those made with flat Cu electrodes. Because of the low material and fabrication cost, these printed nanorelief Cu electrodes show great promise in roll-to-roll fabrication of FOSCs in the future.
Original languageEnglish
Article number074006
JournalMaterials Research Express
Issue number7
Publication statusPublished - 1 Jul 2016


  • Cu electrodes
  • Flexible organic solar cells
  • Polymer-assisted metal deposition
  • Printable
  • Solution processed

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Metals and Alloys


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