• Unveiling the role of copper content in the crystal structure and phase stability of epitaxial Cu(In,Ga)S2 films on GaP/Si(001).
  Eugène Bertin, Olivier Durand, Antoine Létoublon, Charles Cornet, Ludovic Arzel, Leo Choubrac, Rozenn Bernard, Eric Gautron, Sylvie Harel, Maud Jullien, Tony Rohel, Lionel Assmann and Nicolas Barreau.
  Materials Science in Semiconductor Processing 2023, 166, 107685
• On the role of sodium and copper off-stoichiometry in Cu (In,Ga)S-2 for photovoltaic applications: Insights from the investigation of more than 500 samples.
  Leo Choubrac, Eugène Bertin, Fabien Pineau, Ludovic Arzel, Thomas Lepetit, Lionel Assmann, Thamer Aloui, Sylvie Harel and Nicolas Barreau.
  Progress in Photovoltaics 2023, 31, 971-980

• Investigation of co-evaporated polycrystalline Cu(In,Ga)S2 thin film yielding 16.0 % efficiency solar cell.
  Nicolas Barreau, Eugène Bertin, Alexandre Crossay, Olivier Durand, Ludovic Arzel, Sylvie Harel, Thomas Lepetit, Lionel Assmann, Eric Gautron and Daniel Lincot.
  EPJ Photovolt. 2022, 13, 17

• 17.2% efficiency Culn(1-x)Ga(x)Se(2) thin-film based mini-module thanks to alternative architecture yielding 81% fill factor.
  Justine Lorthioir, Ludovic Arzel, Stephane Ginestar, Lionel Assmann and Nicolas Barreau.
  Epj Photovoltaics 2019, 10, 4

• High {Efficiency} {Solar} {Cell} {Based} on {Full} {PVD} {Processed} {Cu}({In},{Ga}){Se}-2/{CdIn}2S4 {Heterojunction}.
  Nicolas Barreau, Agathe Frelon, Thomas Lepetit, Eric Gautron, Nicolas Gautier, Rodrigo Ribeiro-Andrade, Nicoleta Nicoara, Sascha Sadewasser, Pawel Zabierowski, Ludovic Arzel, Leo Choubrac, Sylvie Harel, Catherine Deudon, Camille Latouche, Stephane Jobic, Maite Caldes, Lionel Assmann, Polyxeni Tsoulka, Emmanuel V. Pean, Justine Lorthioir, Frederic Geschier, Isabelle Braems, Matthieu Moret, Olivier Briot and Guy Ouvrard.
  Solar Rrl 2017, 1, UNSP 1700140

• Microstructural characterization of chemical bath deposited and sputtered Zn(O,S) buffer layers.
  E. Gautron, M. Buffiere, S. Harel, L. Assmann, L. Arzel, L. Brohan, J. Kessler and N. Barreau.
  Thin Solid Films 2013, 535, 175-179

• Impact of Cu-rich growth on the CuIn1-xGaxSe2 surface morphology and related solar cells behaviour.
  N. Barreau, J. Laehnemann, F. Couzinie-Devy, L. Assmann, P. Bertoncini and J. Kessler.
  Sol. Energy Mater. Sol. Cells 2009, 93, 2013-2019