{"id":46913,"date":"2017-04-26T14:27:00","date_gmt":"2017-04-26T12:27:00","guid":{"rendered":"http:\/\/www.secowarwick.com\/?page_id=46913\/"},"modified":"2024-01-05T11:13:18","modified_gmt":"2024-01-05T10:13:18","slug":"graphmaster-cvd-reactors-for-large-format-graphene-production","status":"publish","type":"page","link":"https:\/\/www.secowarwick.com\/en\/tech-spotlights\/graphmaster-cvd-reactors-for-large-format-graphene-production\/","title":{"rendered":"GraphMaster CVD reactors for large format graphene production"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_row admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; column_structure=&#8221;2_3,1_3&#8243;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_image src=&#8221;https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/03\/graphene.jpg&#8221; align_tablet=&#8221;center&#8221; align_last_edited=&#8221;on|desktop&#8221; _builder_version=&#8221;4.16&#8243; animation_style=&#8221;slide&#8221; animation_direction=&#8221;left&#8221; animation_duration=&#8221;500ms&#8221; animation_intensity_slide=&#8221;10%&#8221; animation=&#8221;left&#8221; sticky=&#8221;off&#8221; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221; always_center_on_mobile=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221; align_phone=&#8221;center&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2>Developed by SECO\/WARWICK &#8211; one of the world&#8217;s leading manufacturers of heat processing equipment and a technology leader<\/h2>\n<p>With our fully equipped research and development facility and cooperation with the academic centers in Europe, we are able to provide innovative solutions not ofered anywhere else in the world. The Group is made up of companies located in five countries on three continents, and We sell our products Worldwide. We supply our equipment to customers involved in steel, titanium and aluminum production as well as aluminum recycling, forging, automotive, aerospace, commercial heat treating, HVAC\/R, electronics, Wind energy, medical equipment and nuclear industries.<\/p>\n<p>&nbsp;<\/p>\n<h3>For wide range of industrial and R&amp;D applications<\/h3>\n<ul>\n<li>Working temperature up to 1200\u00b0C<\/li>\n<li>Substrate formats up to 500 x 500 mm (larger reactors on request)<\/li>\n<li>Ability to load multiple levels of substrate in one batch<\/li>\n<li>Growth ofgraphene on 3d objects<\/li>\n<li>Flexible control system and intuitive HM<\/li>\n<\/ul>\n<h3>Flexible equipment<\/h3>\n<ul>\n<li>Large formats and\/or small samples can be processed<\/li>\n<li>Different gasses and mixtures can be used<\/li>\n<li>Process can be conducted in vacuum \/ partial pressure and positive pressure (from 10&#8242;; Torr to 1,5 bar absi)<\/li>\n<li>Variable process temperature and heat-up rate<\/li>\n<li>Variable cooling rate in vacuum, still atmosphere or accelerated atmosphere<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>FIND OUT MORE: https:\/\/www.secowarwick.com\/en\/purification-of-graphite-materials\/\u00a0<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td>\n<div id=\"attachment_46916\" style=\"width: 285px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-3.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-46916\" class=\"size-full wp-image-46916\" src=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-3.jpg\" alt=\"High quality CVD graphene in formats up to 500 x 500 mm\" width=\"275\" height=\"184\" srcset=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-3.jpg 275w, https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-3-150x100.jpg 150w\" sizes=\"(max-width: 275px) 100vw, 275px\" \/><\/a><p id=\"caption-attachment-46916\" class=\"wp-caption-text\">High quality CVD graphene in formats up to 500 x 500 mm<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/td>\n<td>\n<div id=\"attachment_46923\" style=\"width: 285px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-4.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-46923\" class=\"size-full wp-image-46923\" src=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-4.jpg\" alt=\"Optical microscope image of graphene layer grown on Cu foil, transferred on to SiO2 substrate shows continuous layer without cracks, holes, etc.\" width=\"275\" height=\"186\" srcset=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-4.jpg 275w, https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-4-150x101.jpg 150w\" sizes=\"(max-width: 275px) 100vw, 275px\" \/><\/a><p id=\"caption-attachment-46923\" class=\"wp-caption-text\">Optical microscope image of graphene layer grown on Cu foil, transferred on to SiO2 substrate shows continuous layer without cracks, holes, etc.<\/p><\/div>\n<p>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\n<p><div id=\"attachment_46932\" style=\"width: 285px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-5.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-46932\" class=\"size-full wp-image-46932\" src=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-5.jpg\" alt=\"SEM (Scanning Electron Microscope) image confirms no macro-defects in the graphene layers. Very few of the second graphene layer seeds (dark islands).\" width=\"275\" height=\"207\" srcset=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-5.jpg 275w, https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-5-150x113.jpg 150w\" sizes=\"(max-width: 275px) 100vw, 275px\" \/><\/a><p id=\"caption-attachment-46932\" class=\"wp-caption-text\">SEM (Scanning Electron Microscope) image confirms no macro-defects in the graphene layers. Very few of the second graphene layer seeds (dark islands).<\/p><\/div><\/td>\n<td style=\"text-align: center;\">\n<p><div id=\"attachment_46939\" style=\"width: 285px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-6.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-46939\" class=\"size-full wp-image-46939\" src=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-6.jpg\" alt=\"Graphene domains size up to 0.1 mm (Optical microscope image after oxidation in order for better visualization)\" width=\"275\" height=\"208\" srcset=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-6.jpg 275w, https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-6-150x113.jpg 150w\" sizes=\"(max-width: 275px) 100vw, 275px\" \/><\/a><p id=\"caption-attachment-46939\" class=\"wp-caption-text\">Graphene domains size up to 0.1 mm<br \/>(Optical microscope image after oxidation in order for better visualization)<\/p><\/div><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><\/td>\n<td style=\"text-align: center;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\n<p><div id=\"attachment_46946\" style=\"width: 285px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-7.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-46946\" class=\"size-full wp-image-46946\" src=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-7.jpg\" alt=\"Raman spectrum confirms the high quality of graphene layer grown on copper. No observable D (defective) peak. Small FWHM of 2D peak indicates a true single layer of graphene\" width=\"275\" height=\"220\" srcset=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-7.jpg 275w, https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-7-150x120.jpg 150w\" sizes=\"(max-width: 275px) 100vw, 275px\" \/><\/a><p id=\"caption-attachment-46946\" class=\"wp-caption-text\">Raman spectrum confirms the high quality of graphene layer grown on copper. No observable D (defective) peak. Small FWHM of 2D peak indicates a true single layer of graphene<\/p><\/div><\/td>\n<td style=\"text-align: center;\">\n<p><div id=\"attachment_46953\" style=\"width: 285px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-8.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-46953\" class=\"size-full wp-image-46953\" src=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-8.jpg\" alt=\"Raman spectrum of high quality graphene grown on Cu foil and transferred on to SiO2 substrate. Small FWHM of 2D peak indicates a true single layer of graphene; D peak is not observed, which indicates low defects level.\" width=\"275\" height=\"216\" srcset=\"https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-8.jpg 275w, https:\/\/www.secowarwick.com\/wp-content\/uploads\/2017\/04\/graphen-8-150x118.jpg 150w\" sizes=\"(max-width: 275px) 100vw, 275px\" \/><\/a><p id=\"caption-attachment-46953\" class=\"wp-caption-text\">Raman spectrum of high quality graphene grown on Cu foil and transferred on to SiO2 substrate. Small FWHM of 2D peak indicates a true single layer of graphene; D peak is not observed, which indicates low defects level.<\/p><\/div><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><\/td>\n<td style=\"text-align: center;\"><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>Electrical parameters have been measured based on Hall effect in Van der Pauw configuration at RT over 1cm x 1cm samples of graphene transferred onto Si\/SiO<sub>2<\/sub> substrate.<\/p>\n<ul>\n<li>high carrier concentration:<\/li>\n<\/ul>\n<p>p= 1,257E13<br \/>\n\u00b5= 1148<br \/>\n\u03c1= 433<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>low carrier concentration:<\/li>\n<\/ul>\n<p>p= 2.393E12<br \/>\n\u00b5= 1771<br \/>\n\u03c1= 1476<br \/>\nwhere:<br \/>\np- sheet hole concentration [cm-2]<br \/>\n\u00b5- carrier mobility [cm2\/V\u00b7s]<br \/>\n\u03c1- resistivity [\u03a9\u00b7cm] [\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_selected_documents module_title=&#8221;Product materials&#8221; _builder_version=&#8221;3.0.47&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_document post_id=&#8221;19813&#8243; title=&#8221;GraphMaster&#8221; _builder_version=&#8221;3.0.47&#8243; global_colors_info=&#8221;{}&#8221;][\/et_pb_document][\/et_pb_selected_documents][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Developed by SECO\/WARWICK &#8211; one of the world&#8217;s leading manufacturers of heat processing equipment and a technology leader With our fully equipped research and development facility and cooperation with the academic centers in Europe, we are able to provide innovative solutions not ofered anywhere else in the world. The Group is made up of companies [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":154,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-46913","page","type-page","status-publish"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.secowarwick.com\/en\/wp-json\/wp\/v2\/pages\/46913","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.secowarwick.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.secowarwick.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.secowarwick.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.secowarwick.com\/en\/wp-json\/wp\/v2\/comments?post=46913"}],"version-history":[{"count":1,"href":"https:\/\/www.secowarwick.com\/en\/wp-json\/wp\/v2\/pages\/46913\/revisions"}],"predecessor-version":[{"id":150505,"href":"https:\/\/www.secowarwick.com\/en\/wp-json\/wp\/v2\/pages\/46913\/revisions\/150505"}],"up":[{"embeddable":true,"href":"https:\/\/www.secowarwick.com\/en\/wp-json\/wp\/v2\/pages\/154"}],"wp:attachment":[{"href":"https:\/\/www.secowarwick.com\/en\/wp-json\/wp\/v2\/media?parent=46913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}