{"id":48554,"date":"2021-11-30T14:31:54","date_gmt":"2021-11-30T12:31:54","guid":{"rendered":"https:\/\/www.iemn.fr\/?p=48554"},"modified":"2022-11-24T11:06:06","modified_gmt":"2022-11-24T09:06:06","slug":"48554","status":"publish","type":"post","link":"https:\/\/www.iemn.fr\/en\/actualites\/48554.html","title":{"rendered":"Th\u00e8se de Thanh BUI : \u2018Growth of earth abundant material based thin films by sputtering technique for photovoltaics\u2019"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1albewa-6c95581e494cc4f73c3769b16d1ef7b6\">\n.flex_column.av-1albewa-6c95581e494cc4f73c3769b16d1ef7b6{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1albewa-6c95581e494cc4f73c3769b16d1ef7b6 av_one_full  avia-builder-el-0  avia-builder-el-no-sibling  first flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-a9e6aba3f592845249b3fef38672c622\">\n#top .av-special-heading.av-av_heading-a9e6aba3f592845249b3fef38672c622{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-av_heading-a9e6aba3f592845249b3fef38672c622 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-a9e6aba3f592845249b3fef38672c622 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-a9e6aba3f592845249b3fef38672c622 av-special-heading-h3  avia-builder-el-1  el_before_av_hr  avia-builder-el-first'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Th\u00e8se : Thanh BUI : \u2018Growth of earth abundant material based thin films by sputtering technique for photovoltaics\u2019<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div  class='hr av-ss5pje-b898e76014bb589a0e7751104f4a104f hr-default  avia-builder-el-2  el_after_av_heading  el_before_av_textblock'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-kwm2qih1-a827e30ceea9ba4a2e7331c042dd69a6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" >\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13ewzjw-68e036126b913e5028f77311dc66b825\">\n.av_font_icon.av-13ewzjw-68e036126b913e5028f77311dc66b825{\ncolor:#bfbfbf;\nborder-color:#bfbfbf;\n}\n.av_font_icon.av-13ewzjw-68e036126b913e5028f77311dc66b825 .av-icon-char{\nfont-size:60px;\nline-height:60px;\n}\n<\/style>\n<span  class='av_font_icon av-13ewzjw-68e036126b913e5028f77311dc66b825 avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue8c9' data-av_iconfont='entypo-fontello' ><\/span><\/span>\n<h4><strong>Thanh BUI<\/strong><\/h4>\n<p>Soutenance : 2 d\u00e9cembre 2021 \u00e0 14h00<strong><br \/>\n<\/strong>IRCICA \u2013 Parc Scientifique de la Haute Borne<br \/>\n50 Avenue Halley \u2013\u00a0BP 70478<br \/>\n59658 Villeneuve d\u2019Ascq Cedex<\/p>\n<h4>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13ewzjw-b4537b28e7ed5bf60a139b688c253937\">\n.av_font_icon.av-13ewzjw-b4537b28e7ed5bf60a139b688c253937{\ncolor:#800000;\nborder-color:#800000;\n}\n.av_font_icon.av-13ewzjw-b4537b28e7ed5bf60a139b688c253937 .av-icon-char{\nfont-size:30px;\nline-height:30px;\n}\n<\/style>\n<span  class='av_font_icon av-13ewzjw-b4537b28e7ed5bf60a139b688c253937 avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue885' data-av_iconfont='entypo-fontello' ><\/span><\/span><\/h4>\n<p><strong>Lien visio de retransmission :<\/strong><br \/>\n<a href=\"https:\/\/univ-lille-fr.zoom.us\/j\/97118386043?pwd=SEJiYWNZTTkvc0lOa1FMaHNNMU9pQT09\" target=\"_blank\" rel=\"noopener\">https:\/\/univ-lille-fr.zoom.us\/j\/97118386043?pwd=SEJiYWNZTTkvc0lOa1FMaHNNMU9pQT09<\/a><\/p>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-kwm40gav-a4a587ebb4ed7b33f95532d2807f3ac8'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h5>Jury :<\/h5>\n<p>Mireille RICHARD-PLOUET, DR CNRS, IMN, Nantes \u2013 Rapporteur<br \/>\nPhilippe DANIEL, Pr. Universit\u00e9, IMMM, Le Mans \u2013 Rapporteur<br \/>\nWilfried FAVRE, Ing. CEA, INES, Chamb\u00e9ry \u2013 Examinateur<br \/>\nChristophe LETHIEN, Pr. Univ., IEMN, Lille\u00a0\u2013 Examinateur<br \/>\nMathieu HALBWAX, MCF Univ., IEMN, Lille \u2013\u00a0Co-encadrant de th\u00e8se<br \/>\nJean-Pierre VILCOT, DR CNRS, IEMN, Lille \u2013 Directeur de th\u00e8se<\/p>\n<h5>Summary:<\/h5>\n<p>Les r\u00e9sultats th\u00e9oriques publi\u00e9s sur le mat\u00e9riau ZnSnN2 le font apparaitre comme un mat\u00e9riau semiconducteur \u00e0 grand gap. Dans ce travail, ses qualit\u00e9s de mat\u00e9riau abondant et \u00e0 faible empreinte \u00e9cologique nous ont particuli\u00e8rement int\u00e9ress\u00e9s, en particulier, pour son utilisation en tant que mat\u00e9riau inorganique en film mince pour la r\u00e9alisation de l\u2019absorbeur de la cellule sup\u00e9rieure d\u2019une cellule tandem dont la cellule inf\u00e9rieure serait en silicium. Nous avons r\u00e9alis\u00e9 une \u00e9tude param\u00e9trique de l\u2019influence des conditions de d\u00e9p\u00f4t, atmosph\u00e8re, pression, temp\u00e9rature par pulv\u00e9risation cathodique et de la composition ainsi obtenue sur les propri\u00e9t\u00e9s cristallines, \u00e9lectriques et optiques des films. La cristallographie a \u00e9t\u00e9 analys\u00e9e par diffraction de rayons X (DRX) et la composition par spectroscopie de rayons X \u00e0 dispersion d\u2019\u00e9nergie (EDX). Des mesures par Effet Hall ont permis d\u2019obtenir les caract\u00e9ristiques \u00e9lectriques et la spectroscopie UV-Visible l\u2019\u00e9valuation du gap optique. En fonctions des param\u00e8tres de d\u00e9p\u00f4t, de grandes variations \u00e0 la fois sur la densit\u00e9 de porteurs, de 1017 to of 1020 cm-3, et sur la valeur du gap optique, de 1.6 to 2.3 eV ont \u00e9t\u00e9 obtenues. Des structures de type photoconducteur et photodiode ont \u00e9t\u00e9 fabriqu\u00e9es pour \u00e9valuer les propri\u00e9t\u00e9s photo\u00e9lectriques. Bien qu\u2019un photocourant ait pu \u00eatre mesur\u00e9, aucune fonctionnalit\u00e9 de type \u00ab\u00a0photodiode\u00a0\u00bb n\u2019a pour l\u2019instant pu \u00eatre mise en \u00e9vidence.<\/p>\n<h5>Abstract:<\/h5>\n<p>By literature reports, ZnSnN2 has been pointed out as a potential high bandgap semiconductor material. We particularly investigated on it as an earth abundant and low environmental footprint material for photovoltaic application, and more specifically as a thin film inorganic top absorber for tandem cells based on silicon bottom cell. In this work, ZnSnN2 has been deposited using magnetron sputtering and a parametric study of the influence of its deposition parameters on the material properties has been carried out. The effect of sputtering atmosphere, pressure, temperature and composition were so investigated. The crystal structure of the films has been characterized by X-ray diffraction (XRD) and their composition by energy-dispersive X-ray spectroscopy (EDS). Electrical characterization has been made using Hall Effect measurements and optical properties determined from UV-Vis spectroscopy. Wide variations of carrier density and optical bandgap have been experimentally observed, from 1017 to of 1020 cm-3 and from 1.6 to 2.3 eV, respectively. The photoelectric characteristics of ZnSnN2 have been assessed by fabricating photoconductor and photodiode structures. Although some photocurrent could have been retrieved under 1 sun solar illumination, no photodiode behavior has been obtained.<\/p>\n<\/div><\/section><\/p><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":48556,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,199,316],"tags":[],"class_list":["post-48554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-these","category-theses-2022"],"_links":{"self":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/48554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/comments?post=48554"}],"version-history":[{"count":0,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/48554\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media\/48556"}],"wp:attachment":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media?parent=48554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/categories?post=48554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/tags?post=48554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}