Comparing strategies for improving efficiencies in vacuum processed Cu2ZnSnSe4 solar cells
In this study, we detail a Cu2ZnSnSe4 based solar cell fabrication process based on the selenization of metallic precursor stacks with elemental Se. 9.4% efficient devices without antireflection coating have been obtained. First, reproducibility issues of the process are carefully shown and discusse...
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Veröffentlicht in: | Journal of renewable and sustainable energy 2018-07, Vol.10 (4) |
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description | In this study, we detail a Cu2ZnSnSe4 based solar cell fabrication process based on the selenization of metallic precursor stacks with elemental Se. 9.4% efficient devices without antireflection coating have been obtained. First, reproducibility issues of the process are carefully shown and discussed. It is demonstrated that device performances are strongly impacted by the precise control of the precursor composition. Then, starting from this robust process, a review of existing strategies to improve kesterite efficiencies is conducted. A significant increase in efficiency (+1.4% absolute efficiency and +50 mV VOC) is obtained with absorber surface treatment and post-annealing, while no effect of Ge incorporation in the precursor stack is observed. This contradictory result to most of the recent publications raises the question of the universality of this strategy to improve kesterite solar cell performance. Finding a universal activation step to boost kesterite efficiencies and bring it to the market remains a crucial need for the community. |
doi_str_mv | 10.1063/1.5034526 |
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Finding a universal activation step to boost kesterite efficiencies and bring it to the market remains a crucial need for the community.</description><subject>Antireflection coatings</subject><subject>Copper zinc tin selenide</subject><subject>Photovoltaic cells</subject><subject>Precursors</subject><subject>Reproducibility</subject><subject>Selenium</subject><subject>Silicon wafers</subject><subject>Solar cells</subject><subject>Surface treatment</subject><issn>1941-7012</issn><issn>1941-7012</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqdkE1LAzEQhoMoWKsH_0HAk8Lq5GPT7FEWv6DgoXrpJYRsUlJ2kzXZLfjv3dKCnj3NwPMw8_IidE3gnoBgD-S-BMZLKk7QjFScFAsg9PTPfo4uct4CCAolnaF1HbteJx82OA9JD3bjbcYuJuy7PsXdHljnvPE2mD3yAe-0GccOT9jYnG2D65GuwyqsLMc5tjphY9s2X6Izp9tsr45zjj6fnz7q12L5_vJWPy4LwwQdCkPBOOcErxwRVDqwRkJlG15poYU0DhiU2k35ZSUrUQqoJCeNsYKXRDvK5ujmcHcK9DXaPKhtHFOYXioKciEYBbGYrNuDZVLMOVmn-uQ7nb4VAbWvThF1rG5y7w5uNn7Qg4_hf_Iupl9R9Y1jPw5vfHU</recordid><startdate>201807</startdate><enddate>201807</enddate><creator>Grenet, Louis</creator><creator>Suzon, Md Abdul Aziz</creator><creator>Emieux, Fabrice</creator><creator>Roux, Frédéric</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-3162-9747</orcidid><orcidid>https://orcid.org/0000-0003-0580-2929</orcidid></search><sort><creationdate>201807</creationdate><title>Comparing strategies for improving efficiencies in vacuum processed Cu2ZnSnSe4 solar cells</title><author>Grenet, Louis ; Suzon, Md Abdul Aziz ; Emieux, Fabrice ; Roux, Frédéric</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c362t-c20cfff649f1628f0ec809ed49a6a68cf0305af941898965609841dce6451af23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Antireflection coatings</topic><topic>Copper zinc tin selenide</topic><topic>Photovoltaic cells</topic><topic>Precursors</topic><topic>Reproducibility</topic><topic>Selenium</topic><topic>Silicon wafers</topic><topic>Solar cells</topic><topic>Surface treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Grenet, Louis</creatorcontrib><creatorcontrib>Suzon, Md Abdul Aziz</creatorcontrib><creatorcontrib>Emieux, Fabrice</creatorcontrib><creatorcontrib>Roux, Frédéric</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of renewable and sustainable energy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Grenet, Louis</au><au>Suzon, Md Abdul Aziz</au><au>Emieux, Fabrice</au><au>Roux, Frédéric</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparing strategies for improving efficiencies in vacuum processed Cu2ZnSnSe4 solar cells</atitle><jtitle>Journal of renewable and sustainable energy</jtitle><date>2018-07</date><risdate>2018</risdate><volume>10</volume><issue>4</issue><issn>1941-7012</issn><eissn>1941-7012</eissn><coden>JRSEBH</coden><abstract>In this study, we detail a Cu2ZnSnSe4 based solar cell fabrication process based on the selenization of metallic precursor stacks with elemental Se. 9.4% efficient devices without antireflection coating have been obtained. 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subjects | Antireflection coatings Copper zinc tin selenide Photovoltaic cells Precursors Reproducibility Selenium Silicon wafers Solar cells Surface treatment |
title | Comparing strategies for improving efficiencies in vacuum processed Cu2ZnSnSe4 solar cells |
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