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Au-decorated porous structure graphene with enhanced sensing performance for low-concentration NO2 detectionYan-Yan Fan1,2,3,4,5,Hai-Ling Tu1,2,4,Yu Pang3,5,Feng Wei1,2,4,Hong-Bin Zhao1,2,4,Yi... with porous structure graphene on polyethylene terephthalate substrates operating at room temperature.The gas sensor exhibited good performance with response of 1.2%and a fast response time within 30 s......
Tribological properties of copper matrix composites reinforced with homogeneously dispersed graphene nanosheetsXin Gao1,Hongyan Yue1,Erjun Guo1,Shaolin Zhang2,Longhui Yao1,Xuanyu Lin1,Bao Wang1,Enhao Guan11. School of Materials Science and Engineering, Harbin University of Science and Technology2. Department of Physics, Dongguk University摘 要:Graphene......
Novel Formaldehyde Sensor based on Hydrogen Peroxide/Melamine Modulated Photoluminescence of Nitrogen-doped Graphene Quantum Dots张玉,SU Xingguang,马强Department of Analytical Chemistry, College of Chemistry, Jilin University摘 要:A modulated photoluminescence nanosensor was developed for the quantitative detection of formaldehyde with nitrogen-doped graphene......
Deformation treatment and microstructure of graphene-reinforced metal matrix nanocomposites: A review of graphene post-dispersionYong Mei1,2,Pu-zhen Shao3,Ming Sun3,Guo-qin Chen3,Murid Hussain4,Feng... of Advanced Brazing Filler Materials & Technology, Zhengzhou Research Institute of Mechanical Engineering Co., Ltd.摘 要:Graphene/aluminum(Gr/Al) composites have......
+能稳定地吸附于石墨烯表面的H2位置,Na+与石墨烯间以弱离子键结合,因此,随着石墨烯质量分数增加,石墨烯对Na+的吸附作用使土样内部的NaCl浓度有所上升,这也可能在一定程度上促进最终膨胀变形率进一步减小. 图3 石墨烯质量分数对混合物膨胀变形的影响 Fig. 3 Effect of graphene mass fraction on swelling strain of mixtures... relationships of bentonite/graphene mixtures 2.4 微观机理 上述试验结果表明,石墨烯质量分数,NaCl浓度以及上覆荷载都会对膨润土/石墨烯混合物的膨胀变形特性产生影响.为了进一步阐释膨润土/石墨烯混合物在化-力耦合作用下的膨胀变形机制,采用扫描电子显微镜对试验结束后的试样进行分析,结果如图7所示.从图7可以看出:纯膨润土颗粒表面粗糙且形成了较大的集合体,集合体间有较大的孔......
Histogram method for reliable thickness measurements of graphene films using atomic force microscopy(AFM)Yaxuan Yao,Lingling Ren,Sitian Gao,Shi LiDivision of Nano-Metrology and Materials Measurement, National Institute of Metrology摘 要:Atomic force microscopy(AFM) is a commonly used technique for graphene thickness measurement.However, due to surface......
of Saccharomyces cerevisiae loaded by nano-Fe3O4 on uranium[J]. The Chinese Journal of Nonferrous Metals, 2012, 22(2): 604-610. [4] GEIM A K, NOVOSELOV K S. The rise of graphene[J]. Nature Materials, 2007, 6(3): 183-191. [5] KATSNELSON M I. Graphene: Carbon in two dimensions[J]. Materials Today, 2007, 10(1): 20-27. [6] NAM S W,JUNG C,LI H,YU M,FLORA J R V,BOATENG L K, HER N, ZOH K D, YOON Y. Adsorption......
Trans. Nonferrous Met. Soc. China 28(2018) 2265-2273 Preparation and catalytic behavior of reduced graphene oxide supported cobalt oxide hybrid nanocatalysts for CO oxidation Yan WANG1,4, Ze-hua..., Beijing 100101, China; 4. Collaborative Innovation Center of Coal Work Safety of Henan Province, Jiaozuo 454003, China Received 30 October 2016; accepted 6 June 2017 Abstract: The reduced graphene oxide......
烯纳米片对铜基复合材料性能的影响[J]. 中国有色金属学报, 2021, 31(6): 1516-1525. DOI: 10.11817/j.ysxb.1004.0609.2021-35990 XIONG Cai-zi, LI Duo-sheng, YE Yin, et al. Effect of thermally reduced graphene nanosheets... 氧化石墨烯和rGO的拉曼光谱图和红外光谱图 Fig. 3 Raman spectra and FTIR of graphene oxide and rGO 图4所示为氧化石墨烯和rGO的XPS光谱.如图4(a)所示,XPS光谱定量估计了氧化石墨烯和rGO上C,O的含量,分析在H2气氛下进行的热还原对氧化石墨烯还原程度影响.氧化石墨烯在450 ℃,H2作用下进行热还原,氧化石墨烯......
Quantitative Analysis of Graphene Sheet Content in Wood Char Powders during Catalytic PyrolysisYan-Jia Liou,Wu-Jang HuangDepartment of Environmental Engineering and Science,National Ping-Tung University of Science and Technology,Ping-Tung County,Taiwan,China摘 要:<正>The quantitative characterization of the graphene sheet content in carbon-containing......