{"id":568,"date":"2020-04-24T08:31:00","date_gmt":"2020-04-24T06:31:00","guid":{"rendered":"https:\/\/www.carbon-waters.com\/?p=1934"},"modified":"2023-10-23T11:20:08","modified_gmt":"2023-10-23T09:20:08","slug":"mechanical-exfoliation","status":"publish","type":"post","link":"https:\/\/www.carbon-waters.com\/en\/mechanical-exfoliation\/","title":{"rendered":"How to produce graphene from the mechanical exfoliation method?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Mechanical exfoliation: the process<\/h2>\n\n\n\n<p>This method was first described in 2008 in order to answer the needs for a scalable production process to produce graphene.<\/p>\n\n\n\n<p>This top-down method requires mechanical energy in order to exfoliate graphite. Most commonly, techniques like sonication or high-shear-mixing are utilized. To obtain stable dispersions, it is necessary to add a specific solvent or surfactant.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Advantages and drawbacks<\/h2>\n\n\n\n<p>Depending on the process used, mechanical exfoliation leaves very few defects in the graphene, enabling it to maintain its structure and <a href=\"https:\/\/www.carbon-waters.com\/en\/applications\/\">electrical or thermal properties<\/a>. However, this production method usually leads to a large distribution of graphene flakes in size and thickness.<\/p>\n\n\n\n<p>Moreover, since graphene is hydrophobic by nature, it will tend to reaggregate after dispersion in a solvent. The surfactants or functionalizers chosen therefore play a major role in the stability and final properties of the dispersion. However, the surfactants or solvents used can deteriorate the properties of graphene.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What to remember about the mechanical exfoliation process?<\/h2>\n\n\n\n<p>Although this production method is fairly simple to implement, the quality and purity of exfoliated graphene may not be sufficient for specific applications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mechanical exfoliation: the process This method was first described in 2008 in order to answer the needs for a scalable production process to produce graphene. This top-down method requires mechanical energy in order to exfoliate graphite. Most commonly, techniques like sonication or high-shear-mixing are utilized. To obtain stable dispersions, it is necessary to add a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2204,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[15],"tags":[],"class_list":["post-568","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-graphene-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Graphene production process: Mechanical exfoliation<\/title>\n<meta name=\"description\" content=\"Mechanical exfoliation is a top-down approach that requires mechanical energy in order to exfoliate graphite.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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