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      Synthesis of hexagonal structured wurtzite and chalcopyrite CuInS 2 via a simple solution route

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      Author(s): 1 , 1 , 1 , 1 ,
      Publication date (Electronic):
      Journal: Nanoscale Research Letters
      Publisher: Springer
      Keywords: wurtzite, chalcopyrite, hexagonal structure, CuInS2

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          Abstract

          Wurtzite semiconductor CuInS 2 [CIS] has been reported in recent years. As a kind of metastable structure, it is a great challenge to synthesize pure wurtzite CIS at low temperature. In this paper, via a simple and quick solution route, we synthesize both wurtzite- and chalcopyrite-structure CIS. Well-controlled wurtzite CIS hexagonal plates are obtained when an appropriate agent is added. The influence of the used agent triethanolamine [TEA] has also been studied, and it turns out that without TEA, chalcopyrite CIS with a kind of rare morphology is formed through this method.

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          Synthesis of CulnS2, CulnSe2, and Cu(InxGa(1-x))Se2 (CIGS) nanocrystal "inks" for printable photovoltaics.

          Matthew G Panthani, Vahid Akhavan, Brian Goodfellow … (2008)
          Chalcopyrite copper indium sulfide (CuInS2) and copper indium gallium selenide (Cu(InxGa(1-x))-Se2; CIGS) nanocrystals ranging from approximately 5 to approximately 25 nm in diameter were synthesized by arrested precipitation in solution. The In/Ga ratio in the CIGS nanocrystals could be controlled by varying the In/Ga reactant ratio in the reaction, and the optical properties of the CulnS2 and CIGS nanocrystals correspond to those of the respective bulk materials. Using methods developed to produce uniform, crack-free micrometer-thick films, CulnSe2 nanocrystals were tested in prototype photovoltaic devices. As a proof-of-concept, the nanocrystal-based devices exhibited a reproducible photovoltaic response.
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            Low-cost inorganic solar cells: from ink to printed device.

            Heather Platt, E Habas, Tobias W. Giessen … (2010)
            Article 0 comments Cited 84 times – based on 0 reviews     Review now
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              Development of CuInSe2 nanocrystal and nanoring inks for low-cost solar cells.

              S. H. Kim, Robert W Birkmire, Eric Stach … (2008)
              The creation of a suitable inorganic colloidal nanocrystal ink for use in a scalable coating process is a key step in the development of low-cost solar cells. Here, we present a facile solution synthesis of chalcopyrite CuInSe 2 nanocrystals and demonstrate that inks based on these nanocrystals can be used to create simple solar cells, with our first cells exhibiting an efficiency of 3.2% under AM1.5 illumination. We also report the first solution synthesis of uniform hexagonal shaped single crystals CuInSe 2 nanorings by altering the synthesis parameter.
              Article 0 comments Cited 74 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Nanoscale Res Lett
                Title: Nanoscale Research Letters
                Publisher: Springer
                ISSN (Print): 1931-7573
                ISSN (Electronic): 1556-276X
                Publication date Collection: 2011
                Publication date (Electronic): 25 October 2011
                Volume: 6
                Issue: 1
                Page: 562
                Affiliations
                [1 ]State Key Laboratory of Silicon Materials and Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China
                Article
                Publisher ID: 1556-276X-6-562
                DOI: 10.1186/1556-276X-6-562
                PMC ID: 3213247
                PubMed ID: 22027183
                SO-VID: 48f60b8e-3ca9-4e5f-ae16-2fc484e170a8
                Copyright © Copyright ©2011 Sheng et al; licensee Springer.
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 11 July 2011
                Date accepted : 25 October 2011
                Categories
                Subject: Nano Express

                ScienceOpen disciplines: Nanomaterials
                Keywords: hexagonal structure,cuins2,wurtzite,chalcopyrite
                Data availability:
                ScienceOpen disciplines: Nanomaterials
                Keywords: hexagonal structure, cuins2, wurtzite, chalcopyrite

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