以Hummers法制备的氧化石墨烯和管径为30~50 nm、长50~100
μm的碳纳米管为原料，采用水热还原法及冷冻干燥处理制备了石墨烯气凝胶和石墨烯/碳纳米管气凝胶，研究了气凝胶的物相组成、微观形貌和弹性性能，分析了碳纳米管对弹性性能的影响机理。结果表明：两种气凝胶均具有三维多孔结构，碳纳米管均匀地分布在石墨烯上，并且缠绕在石墨烯片层的内壁和片层间的连接点处；石墨烯/碳纳米管气凝胶的可回复压缩变形量高达90%，远大于石墨烯气凝胶的；碳纳米管可以有效地防止层叠石墨烯片层间的滑动，提高石墨烯的结构稳固性。
所属栏目
新材料 新工艺江苏省自然科学基金资助项目（BK20140869）；南京邮电大学引进人才基金资助项目（NY213082）
收稿日期
2015/7/312016/11/18
作者单位
刁煜:南京邮电大学光电工程学院, 南京 210023
汤厚睿:南京邮电大学光电工程学院, 南京 210023
吕鹏:南京邮电大学光电工程学院, 南京 210023
备注
刁煜(1993-),女,江苏淮安人,本科生。
引用该论文:
DIAO Yu,TANG Hou-rui,LÜ,Peng.Preparation and Elasticity Property of Graphene/Carbon Nanotube Aerogel[J].Materials for mechancial engineering,2017,41(2):72～76
刁煜,汤厚睿,吕鹏.石墨烯/碳纳米管气凝胶的制备及其弹性性能[J].机械工程材料,2017,41(2):72～76
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