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      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

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      Grain boundary assisted photocurrent collection in thin film solar cells

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          Abstract

          The influence of absorber grain boundaries on the photocurrent transport in chalcopyrite based thin film solar cells has been calculated using a two dimensional numerical model. Considering extreme cases, the variation in red response is more expressed than in one dimensional models. These findings may offer an explanation for the strong influence of buffer layer preparation on the spectral response of cells with small grained absorbers.

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          The electrical properties of polycrystalline silicon films

          John Seto (1975)
          Article 0 comments Cited 547 times – based on 0 reviews     Review now
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            Anomalous grain boundary physics in polycrystalline CuInSe2: the existence of a hole barrier.

            Clas Persson, Alex Zunger (2003)
            First-principles modeling of grain boundaries (GB) in CuInSe2 semiconductors reveals that an energetic barrier exists for holes arriving from the grain interior (GI) to the GB. Consequently, the absence of holes inside the GB prevents GB electrons from recombining. At the same time, the GI is purer in polymaterials than in single crystals, since impurities segregated to the GBs. This explains the puzzle of the superiority of polycrystalline CuInSe2 solar cells over their crystalline counterpart. We identify a simple and universal mechanism for the barrier, arising from reduced p-d repulsion due to Cu-vacancy surface reconstruction. This discovery opens up possibilities for the future design of superior polycrystalline devices.
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              Grain-boundary recombination in Cu(In,Ga)Se2 solar cells

              Markus Gloeckler, James Sites, Wyatt Metzger (2005)
              Article 0 comments Cited 48 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (publisher-id): epjpv
                Title: EPJ Photovoltaics
                Subtitle: an Open Access Journal in Photovoltaics
                Abbreviated Title: EPJ Photovolt.
                Publisher: EDP Sciences
                ISSN (Electronic): 2105-0716
                Publication date Final: 15 June 2015
                Publication date (Print): 2015
                Publication date (Electronic): 15 June 2015
                Publication date Given-online-pub: 15 June 2015
                Volume: 6
                Issue: ( publisher-idID: epjpv/2015/01 )
                Electronic Location Identifier: 60101
                Affiliations
                [1 ] Helmholtz-Zentrum Berlin für Materialien und Energie, , Hahn-Meitner-Platz 1, 14109 Berlin, Germany,
                [2 ] Weierstraß-Institut für Angewandte Analysis und Stochastik, , Mohrenstr. 39, 10117 Berlin, Germany,
                Author notes
                Article
                Publisher ID: pv150006
                DOI: 10.1051/epjpv/2015006
                SO-VID: 0f1aac8a-2351-42ef-bfe1-244fee22b030
                Copyright © © Harndt et al., published by EDP Sciences, 2015
                License:

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

                History
                Date received : 25 February 2015
                Date accepted : 22 May 2015
                Page count
                Figures: 6, References: 25, Pages: 5
                Categories
                Subject: Modelling
                Custom metadata
                idline EPJ Photovoltaics 6, 60101 (2015)
                cover_date 2015
                first_year 2015
                last_year 2015

                ScienceOpen disciplines: Sustainable & Green chemistry,Materials technology,Semiconductors,Materials for energy,Technical & Applied physics,Renewable energy
                Data availability:
                ScienceOpen disciplines: Sustainable & Green chemistry, Materials technology, Semiconductors, Materials for energy, Technical & Applied physics, Renewable energy

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