40
views
0
recommends
+1 Recommend
2 collections
    1
    shares

      Authors - publish your SDGs-related research with EDP Sciences. Find out more.

      Authors - did you know EPJ Photovoltaics has been awarded the DOAJ Seal for “best practice in open access publishing”?

      • Indexed in Web of Science (Emerging Sources Citation Index) and Scopus
      • Part of the European Physical Journal (EPJ) series of peer-reviewed journals covering the whole spectrum of pure and applied physics, including related interdisciplinary subjects 

      Instructions for authors, online submission and free e-mail alerts all available at epj-pv.org

      • Record: found
      • Abstract: found
      • Article: found
      Is Open Access

      Investigation of co-evaporated polycrystalline Cu(In,Ga)S 2 thin film yielding 16.0 % efficiency solar cell

      research-article

      Read this article at

      ScienceOpenPublisher
      Bookmark
          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          The interest for pure sulfide Cu(In,Ga)S 2 chalcopyrite thin films is increasing again because their optical properties make them relevant candidates to be applied as top cell absorbers in tandem structures. Nonetheless, their use as so is still hindered by the level of single-junction cells performance achieved so far, which are far below those demonstrated by selenide absorbers. Amongst the reasons at the origin of the limited efficiency of Cu(In,Ga)S 2-based solar devices, one can mention the poor tolerance of S-chalcopyrite to Cu deficiency. In fact, Cu-poor Cu(In,Ga)S 2 films contain CuIn 5S 8 thiospinel secondary phase which is harmful for device performance. In the present work, we investigate Cu(In,Ga)S 2 thin films grown by a modified three-stage process making use of graded indium and gallium fluxes during the first stage. The resulting absorbers are single phase and made of large grains extended throughout the entire film thickness. We propose that such a morphology is a proof of the recrystallization of the entire film during the synthesis. Devices prepared from those films and buffered with bath deposited CdS demonstrate outstanding efficiency of 16.0%. Replacing CdS by Zn(O,S) buffer layer leads to increased open circuit voltage and short circuit current; however, performance become limited by lowered fill factor.

          Related collections

          Most cited references15

          • Record: found
          • Abstract: not found
          • Article: not found

          Effects of heavy alkali elements in Cu(In,Ga)Se2solar cells with efficiencies up to 22.6%

            Bookmark
            • Record: found
            • Abstract: not found
            • Article: not found

            Cd-Free Cu(In,Ga)(Se,S)$_{2}$ Thin-Film Solar Cell With Record Efficiency of 23.35%

              Bookmark
              • Record: found
              • Abstract: not found
              • Article: not found

              High‐efficiency CuInxGa1−xSe2solar cells made from (Inx,Ga1−x)2Se3precursor films

                Bookmark

                Author and article information

                Journal
                epjpv
                https://www.epj-pv.org
                EPJ Photovoltaics
                EPJ Photovolt.
                EDP Sciences
                2105-0716
                28 July 2022
                28 July 2022
                2022
                : 13
                : ( publisher-idID: epjpv/2022/01 )
                : 17
                Affiliations
                [1 ] Nantes Université, CNRS, Institut des Matériaux de Nantes Jean Rouxel, IMN, , 44000 Nantes, France,
                [2 ] Université de Rennes, INSA Rennes, CNRS, Institut FOTON - UMR 6082, , 35000 Rennes, France,
                [3 ] CNRS, Institut Photovoltaïque d'Île de France, Ecole polytechnique-Institut polytechnique de Paris, Chimie Paristech-PSL, UMR 9006, , 91120 Palaiseau, France,
                Author notes
                Article
                pv220015
                10.1051/epjpv/2022014
                7069a83f-db23-4898-8462-04ad4509a32f
                © N. Barreau et al., published by EDP Sciences, 2022

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 28 March 2022
                : 16 May 2022
                : 23 May 2022
                Page count
                Figures: 7, Tables: 0, Equations: 0, References: 18, Pages: 7
                Categories
                Semiconductor Thin Films
                Special Issue on ‘Recent Advances in Spectroscopy and Microscopy of Thin-films Materials, Interfaces, and Solar Cells 2021', edited by A. Vossier, M. Gueunier-Farret, J.-P. Kleider and D. Mencaraglia
                Regular Article
                Custom metadata
                EPJ Photovolt. 13, 17 (2022)
                yes
                2022
                2022
                2022
                national-agreement-fr_2022

                Sustainable & Green chemistry,Materials technology,Semiconductors,Materials for energy,Technical & Applied physics,Renewable energy
                Thin film solar cell,CIGS,wide bandgap,high efficiency,sulfide

                Comments

                Comment on this article