碳纳米管/石墨烯-氧化铜复合粉体的制备及其光催化性能
Preparation and Photocatalytic Properties of CNTs/rGO-CuO Composite Powder
摘 要
采用喷雾干燥和煅烧的方法制备了碳纳米管/石墨烯-氧化铜（CNTs/rGO-CuO）复合粉体，对复合粉体进行了形貌观察和物相分析，讨论了分解温度、碳纳米管（CNTs）和氧化石墨烯（GO）的质量比、CNTs和GO的质量分数对复合粉体形貌和光催化性能的影响，并对制备工艺进行了优化。结果表明：当分解温度为210℃、CNTs与GO的质量比为1：1、CNTs和GO的质量分数为10%时，制备的复合粉体性能最佳；CNTs与GO形成了一种球状结构，CuO颗粒均匀地分布在球体表面；在可见光照射20 min后，该复合粉体对溶液中甲基橙（MO）的最大降解率能达到98.3%。
氧化石墨烯
喷雾干燥
光催化
carbon nanotube
graphene oxide
spray drying
photocatalysis
Abstract
Carbon nanotubes and reduced graphene oxides with CuO (CNTs/rGO-CuO) composite powder was synthesized by spray drying and post-calcinating method, and the phase and morphology were analyzed. The synthesis conditions that had a significant effect on the morphology and photocatalytic performance of composite powder such as decomposed temperature, carbon nanotubes (CNTs) to graphene oxides (GO) mass ratio, CNTs and GO mass fraction were discussed. The preparation process was optimized. The results show that when the decomposed temperature was 210℃, CNTs to GO mass ratio was 1:1, CNTs and GO mass fraction was 10%, the composite powder had the best property. CNTs and rGO formed a spherical structure and CuO particles were uniformly distributed on the surface of the spherical structure. 98.3% degradation of methyl orange (MO) could be obtained after 20 min under visible light.
中图分类号 O614 DOI 10.11973/jxgccl201707012
所属栏目 新材料 新工艺
基金项目 国家自然科学基金资助项目（51272073）；湖南省自然科学基金资助项目（2017JJ2191）
收稿日期 2016/1/22
修改稿日期 2017/3/22
网络出版日期
作者单位点击查看
备注曾斌(1978-),男,湖南常德人,副教授,博士
引用该论文: ZENG Bin,LIU Wanfeng,ZENG Wujun,CHEN Dan,XIA Qiuying. Preparation and Photocatalytic Properties of CNTs/rGO-CuO Composite Powder[J]. Materials for mechancial engineering, 2017, 41(7): 60～65
曾斌,刘万锋,曾武军,陈丹,夏秋英. 碳纳米管/石墨烯-氧化铜复合粉体的制备及其光催化性能[J]. 机械工程材料, 2017, 41(7): 60～65
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【2】YURDERIA M, BULUTA A, ERTAS Í E. Supported copper-copper oxide nanoparticles as active, stable and low-cost catalyst in the methanolysis of ammonia-borane for chemical hydrogen storage[J]. Applied Catalysis B:Environmental, 2015, 165:169-175.
【3】LI X, HECTOR A L, OWEN J R. Evaluation of Cu3N and CuO as negative electrode materials for sodium batteries[J].Journal of Physical Chemistry C, 2014, 118(51):29568-29573.
【4】ZENG B, CHEN X H, NING X T, et al. CNTs/rGO spheres decorated with CuxO (x=1 or 2) nanoparticles and its photocatalytic performance[J]. Catalysis Communications, 2014, 43(2):235-239.
【5】ZENG B, CHEN X H, LUO Y X, et al. Graphene spheres loaded urchin-like CuxO (x=1 or 2) for use as a high performance photocatalyst[J]. Ceramics International, 2014, 40(3):5055-5059.
【6】ZHU J, QIAN X F. From 2-D CuO nanosheets to 3-D hollow nanospheres:Interface-assisted synthesis, surface photovoltage properties and photocatalytic activity[J]. Journal of Solid State Chemistry, 2010, 183(7):1632-1639.
【7】刘翔, 洪伟良, 赵凤起,等. CuO/CNTs复合催化剂的制备及对FOX-12热分解的催化性能[J]. 固体火箭技术, 2008, 31(5):508-511.
【8】徐政, 陈志刚, 钱君超,等. CeO2-MnO2纳米氧化物/石墨烯复合电极材料的制备及其超级电容性能[J]. 机械工程材料, 2015,39(8):70-75.
【9】付猛, 岳艳娟, 祝雅娟,等. 水热法制备石墨烯及其表征[J]. 机械工程材料, 2013,37(6):84-88.
【10】ZENG B, CHEN X H, NING X T, et al. Electrostatic-assembly three-dimensional CNTs/rGO implanted Cu2O composite spheres and its photocatalytic properties[J]. Applied Surface Science, 2013, 276(3):482-486.
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