Development of water impermeable graphene barrier coating materials.

不透水石墨烯阻隔涂层材料的开发。

• 批准号: 477716-2015
• 负责人: Veinot, Jonathan
• 金额: $ 1.82万
• 依托单位: University of Alberta
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2015
• 资助国家: 加拿大
• 起止时间: 2015-01-01 至 2016-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=579032
• 关键词: Development; water; impermeable; graphene; barrier

Graphene is a unique nanomaterial derived from graphite; in fact, it can be conveniently viewed as a single atomic layer of graphite and entirely composed bonded carbon atoms. The unique chemical bonding of these atoms leads to promising properties including hydrophobicity, tunable electrical conductivity and mechanical strength. Large area graphene membranes have attracted much attention because of their unique impermeable barrier properties to gases and liquids. Despite the promise of these materials, their application is limited by the preparation of large area defect-free films. Existing chemical vapor deposition methods used to produce these graphene films are highly specialized and costly. More importantly, the film possesses many defects and tend to wrinkle. The presented partnership between Graphene Leaders Canada Inc. (GLC) and the Veinot Laboratory at the University of Alberta aims to build on existing GLC technologies and develop new solution- and spray coating-based methods to fabricate "chemically stitched" large area graphene-based membranes for filtration applications.

石墨烯是一种源自石墨的独特纳米材料;事实上，它可以方便地被视为石墨的单个原子层和完全由键合的碳原子组成。这些原子的独特化学键合导致有前途的性质，包括疏水性，可调的导电性和机械强度。大面积石墨烯膜由于其独特的气体和液体不可渗透性而引起了人们的广泛关注。尽管这些材料的前景，它们的应用是有限的大面积无缺陷薄膜的制备。用于生产这些石墨烯膜的现有化学气相沉积方法是高度专业化且昂贵的。更重要的是，该膜具有许多缺陷并且倾向于起皱。石墨烯领导者加拿大公司（Graphene Leaders Canada Inc.）(GLC)阿尔伯塔大学的Veinot实验室旨在建立现有的GLC技术，并开发新的基于溶液和喷涂的方法，以制造用于过滤应用的“化学缝合”大面积石墨烯膜。