Over 6% Efficient Cu(In,Ga)Se2Solar Cell Screen-Printed from Oxides on Fluorine-Doped Tin Oxide

Viviana Sousa, Bruna F. Gonçalves, Yitzchak S. Rosen, José Virtuoso, Pedro Anacleto, M. Fátima Cerqueira, Evgeny Modin, Pedro Alpuim, Oleg I. Lebedev, Shlomo Magdassi, Sascha Sadewasser, Yury V. Kolen'Ko

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


A new approach to fabricate copper, indium, gallium diselenide (CIGSe) solar cells on conductive fluorine-doped tin oxide (FTO) reached an efficiency of over 6% for a champion photovoltaic device. Commercial oxide nanoparticles are formulated into high-quality screen-printable ink based on ethyl cellulose solution in terpineol. The high homogeneity and good adhesion properties of the oxide ink play an important role in obtaining dense and highly crystalline photoabsorber layers. This finding reveals that solution-based screen-printing from readily available oxide precursors provides an interesting cost-effective alternative to current vacuum- and energy-demanding processes of the CIGSe solar cell fabrication.

Original languageAmerican English
Pages (from-to)3120-3126
Number of pages7
JournalACS Applied Energy Materials
Issue number4
StatePublished - 27 Apr 2020

Bibliographical note

Funding Information:
We thank the members of the Nanochemistry Research Group at INL for valuable discussions. This work was supported by ERDF COMPETE 2020 and Portuguese FCT funds under the PrintPV project (PTDC/CTM-ENE/5387/2014, Grant Agreement No. 016663). B.F.G. is grateful to the FCT for the SFRH/BD/121780/2016 grant.

Publisher Copyright:
© 2020 American Chemical Society.


  • CIGSe
  • ink formulation
  • microstructure
  • oxide nanoparticles
  • photovoltaics
  • screen-printing


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