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新颖的二氧化钛-石墨烯纳米复合材料及其制法和应用
Authors
肖鹏
谷金翠
陈涛
Publication date
20 March 2013
Publisher
Abstract
本发明涉及用于制备石墨烯的方法、利用芘、芘衍生物、萘、萘衍生物中的一种或二种以上作为改性剂来进行石墨烯表面改性的方法,以及利用经表面改性后的石墨烯来与含钛化合物反应并制得TiO2-石墨烯纳米复合材料的方法及其产物。本发明用于制备石墨烯的方法包含(a1)在惰性溶剂中用还原剂对分散的氧化石墨进行还原,从而形成含石墨烯的反应混合物,其中所述还原剂包括硼氢化钠、维生素C或其组合;和(a2)从所述反应混合物中分离出所述的石墨烯。本发明制得的石墨烯为絮凝状并且TiO2-石墨烯纳米复合材料具有高效光催化性能
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Last time updated on 22/01/2018