André Violas
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View article: One‐Step Lithography Nanostructured Au Encapsulation for Light Management in Ultrathin ACIGS Solar Cells
One‐Step Lithography Nanostructured Au Encapsulation for Light Management in Ultrathin ACIGS Solar Cells Open
Ultrathin (Ag,Cu)(In,Ga)Se 2 (ACIGS) solar cells enable material savings, high manufacturing throughput, and application versatility. Moreover, the reduced absorber thickness relieves European concerns about critical raw material shortages…
View article: Bifacial Wide‐Gap (Ag,Cu)(In,Ga)Se<sub>2</sub>Solar Cell with 13.6% Efficiency Using In<sub>2</sub>O<sub>3</sub>:W as a Back Contact Material
Bifacial Wide‐Gap (Ag,Cu)(In,Ga)Se<sub>2</sub>Solar Cell with 13.6% Efficiency Using In<sub>2</sub>O<sub>3</sub>:W as a Back Contact Material Open
This study evaluates In 2 O 3 :W as a transparent back contact material in wide‐gap (bandgap range = 1.44–1.52 eV) (Ag,Cu)(In,Ga)Se 2 (ACIGS) solar cells for potential application as a top cell in a tandem device. High silver concentration…
View article: Development of a Plasmonic Light Management Architecture Integrated within an Interface Passivation Scheme for Ultrathin Solar Cells
Development of a Plasmonic Light Management Architecture Integrated within an Interface Passivation Scheme for Ultrathin Solar Cells Open
In response to climate and resource challenges, the transition to a renewable and decentralized energy system is imperative. Ultrathin Cu(In,Ga)Se 2 (CIGS)‐based solar cells are compatible with such transition due to their low material usa…
View article: Over 100 mV <i>V</i><sub>OC</sub> Improvement for Rear Passivated ACIGS Ultra‐Thin Solar Cells
Over 100 mV <i>V</i><sub>OC</sub> Improvement for Rear Passivated ACIGS Ultra‐Thin Solar Cells Open
A decentralized energy system requires photovoltaic solutions to meet new aesthetic paradigms, such as lightness, flexibility, and new form factors. Notwithstanding, the materials shortage in the Green Transition is a concern gaining momen…
View article: Cu(In,Ga)Se2 based ultrathin solar cells the pathway from lab rigid to large scale flexible technology
Cu(In,Ga)Se2 based ultrathin solar cells the pathway from lab rigid to large scale flexible technology Open
The incorporation of interface passivation structures in ultrathin Cu(In,Ga)Se 2 based solar cells is shown. The fabrication used an industry scalable lithography technique—nanoimprint lithography (NIL)—for a 15 × 15 cm 2 dielectric layer …
View article: Cu(In,Ga)Se2 based ultrathin solar cells: the pathway from lab rigid to large scale flexible technology
Cu(In,Ga)Se2 based ultrathin solar cells: the pathway from lab rigid to large scale flexible technology Open
For the first time, the incorporation of interface passivation structures in ultrathin Cu(In,Ga)Se2 (CIGS) based solar cells is shown in a flexible lightweight stainless-steel substrate. The fabrication was based on an industry scalable li…
View article: On the Importance of Joint Mitigation Strategies for Front, Bulk, and Rear Recombination in Ultrathin Cu(In,Ga)Se<sub>2</sub> Solar Cells
On the Importance of Joint Mitigation Strategies for Front, Bulk, and Rear Recombination in Ultrathin Cu(In,Ga)Se<sub>2</sub> Solar Cells Open
Several optoelectronic issues, such as poor optical absorption and recombination, limit the power conversion efficiency of ultrathin Cu(In,Ga)Se2 (CIGS) solar cells. To mitigate recombination losses, two combined strategies were implemente…
View article: Novel Rear Contact Architectures in CIGS Solar Cells: Modelling and Experimental Fabrication
Novel Rear Contact Architectures in CIGS Solar Cells: Modelling and Experimental Fabrication Open
Cu(In,Ga)Se2 (CIGS) solar cells are amongst the best performing thin-film technologies mainly due to post-deposition treatment (PDT) improvement of the last years. However, the electrical simulation baseline models did not quite follow the…