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    • 5. 发明申请
    • HIGHLY OXIDIZED GRAPHENE OXIDE AND METHODS FOR PRODUCTION THEREOF
    • 高度氧化的氧化石墨及其生产方法
    • US20120129736A1
    • 2012-05-24
    • US13321623
    • 2010-05-14
    • James M. TourDmitriy V. Kosynkin
    • James M. TourDmitriy V. Kosynkin
    • C09K8/03C07C67/00C07C39/12C01B31/00C01B31/04C07C37/60C07C245/20B82B3/00B82B1/00
    • C01B31/0476B82Y30/00B82Y40/00C01B32/192C01B32/23C09K8/032
    • A highly oxidized form of graphene oxide and methods for production thereof are described in various embodiments of the present disclosure. In general, the methods include mixing a graphite source with a solution containing at least one oxidant and at least one protecting agent and then oxidizing the graphite source with the at least one oxidant in the presence of the at least one protecting agent to form the graphene oxide. Graphene oxide synthesized by the presently described methods is of a high structural quality that is more oxidized and maintains a higher proportion of aromatic rings and aromatic domains than does graphene oxide prepared in the absence of at least one protecting agent. Methods for reduction of graphene oxide into chemically converted graphene are also disclosed herein. The chemically converted graphene of the present disclosure is significantly more electrically conductive than is chemically converted graphene prepared from other sources of graphene oxide.
    • 在本公开的各种实施方案中描述了高度氧化形式的石墨烯氧化物及其生产方法。 通常,所述方法包括将石墨源与含有至少一种氧化剂和至少一种保护剂的溶液混合,然后在至少一种保护剂存在下用至少一种氧化剂氧化石墨源以形成石墨烯 氧化物。 通过目前描述的方法合成的石墨烯氧化物具有比在不存在至少一种保护剂时制备的氧化石墨烯更高氧化并且维持更高比例的芳香环和芳族结构域的高结构质量。 将氧化石墨烯还原成化学转化的石墨烯的方法也在本文中公开。 本公开的化学转化的石墨烯比由其他氧化石墨烯源生产的化学转化的石墨烯显着更具导电性。