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| 1 | A review on synthesis of graphene,h-BN and MoS2 for energy storage applications:Recent progress and perspectives显示文摘The significance of graphene and its two-dimensional(2D)analogous inorganic layered materials especially as hexagonal boron nitride(h-BN)and molybdenum disulphide(MoS2)for“clean energy”applications became apparent over the last few years due to their extraordinary properties.In this review article we study the current progress and selected challenges in the syntheses of graphene,h-BN and MoS2 including energy storage applications as supercapacitors and batteries.Various substrates/catalysts(metals/insulator/semiconducting)have been used to obtain graphene,h-BN and MoS2 using different kinds of precursors.The most widespread methods for synthesis of graphene,h-BN and MoS2 layers are chemical vapor deposition(CVD),plasma-enhanced CVD,hydro/solvothermal methods,liquid phase exfoliation,physical methods etc.Current research has shown that graphene,h-BN and MoS2 layered materials modified with metal oxide can have an insightful influence on the performance of energy storage devices as supercapacitors and batteries.This review article also contains the discussion on the opportunities and perspectives of these materials(graphene,h-BN and MoS2)in the energy storage fields.We expect that this witen review article including recent research on energy storage will help in generating new insights for further development and practical applications of graphene,h-BN and MoS2 layers based materials. | Rajesh Kumar Sumanta Sahoo Ednan Joanni Rajesh Kumar Singh Ram Manohar Yadav Rajiv Kumar Verma Dinesh Pratap Singh Wai Kian Tan Angel Perez del Pino Stanislav A.Moshkalev Atsunori Matsuda | 2019 | Nano Research2019,12,11: | 12 |
| 2 | 激光化学气相沉积石墨烯的基底温度场仿真显示文摘为了分析激光化学气相沉积制备石墨烯过程中催化剂基底的静态和动态温度场分布与各个实验参量之间的关系,采用基于ANSYS软件建立有限元分析模型和加载532nm激光热源模型的方法,取得了不同实验参量影响下基底温度场分布和达到反应温度所需时间的数据。结果表明,在基底材料属性、激光功率大小、基底面积尺寸、聚焦光斑直径、反应气体流量的影响下,基底静态温度场的分布与达到反应温度所需时间均不同,可作为制备高质量石墨烯实验的参考依据。采用波长为532nm、功率为3W、聚焦光斑直径为50μm、移动速率为1mm/s的连续型激光器,以镍箔为基底材料,在标准状态下甲烷和氢气流量分别为10m L/min和5m L/min条件下仿真得到的动态温度场符合激光化学气相沉积法制备图案化石墨烯的生长机理。 | 陈永庆 张陈涛 张建寰 | 2015 | 激光技术2015,39,5: | 3 |
| 3 | 基于镀铜SiC-Cu颗粒制备石墨烯片/SiC-Cu和碳纳米管/SiC-Cu增强体显示文摘利用化学气相沉积法(CVD),分别在光沉积镀铜SiC-Cu颗粒和无电镀铜SiC-Cu颗粒表面制备石墨烯片(GNSs)/SiC-Cu和碳纳米管(CNTs)/SiC-Cu增强体。利用拉曼光谱和SEM研究制备温度和保温时间对生成的石墨烯片和碳纳米管的层数和质量的影响。结果表明:利用CVD法,在无电镀铜SiC-Cu颗粒和光沉积镀铜SiCCu颗粒表面均可生成多层GNSs和CNTs;以无电镀铜SiC-Cu颗粒为基体,在1 000℃下保持20 min生成的GNSs质量较好,已经接近单层;利用SEM观察最佳参数下的生成物,可观察到10~45nm直径的CNTs交错分布在圆形铜颗粒之间。 | 刘守法 王晋鹏 吴松林 董锋 | 2017 | 复合材料学报2017,34,11: | 2 |
| 4 | 多层二维材料纳米压痕实验研究显示文摘多层二维材料在诸多应用领域拥有广阔的前景,其力学性能是保证材料和器件性能与服役寿命的关键性因素。然而,在以往的力学表征中,其层间耦合作用对于力学性能测量的影响往往被忽略,对随着厚度增加而带来的弯曲刚度效应也缺乏相应关注。本文基于原子力显微镜的纳米压痕技术研究了多层石墨烯、六方氮化硼和二硫化钼的力学行为,实现了其力学性能的准确测量。实验结果表明,随着二维材料片层厚度的增加,受弯曲刚度影响,其力学行为从薄膜特征向线性板特征转变。对于表现出板行为的材料,我们采用“柔度法”计算其杨氏模量,所得数值与薄膜行为的求解较为一致。同时,我们发现多层二维材料体系中,由于层间相互耦合作用较弱,在变形过程中容易引起层间相对滑移,因而造成所测力学性能的弱化。本文的工作不仅发展了一种测量厚层二维纳米材料力学性能的方法,还揭示了层间耦合作用对于多层二维材料变形行为的影响,为探究二维异质结的结构一性能关系乃至微纳器件的制备加工提供了新的思路。 | 肖钧凯 汪国睿 戴兆贺 缪泓 刘璐琪 张忠 | 2018 | 实验力学2018,33,5: | 1 |
| 5 | Graphene meets biology显示文摘Graphene features a shining star in the material sciences since its discovery in 2004.Biomedical application of graphene-family materials has been driven recently.In this paper,we overviewed the cutting-edge research in the biomedical application of graphene-based biomaterials,such as bio-sensing and bio-imaging,drug/gene delivery and scaffold for tissue engineering.We emphasized on the effect of graphene substrates on cellular behaviors of adhesion,proliferation,and differentiation.The development of three-dimensional scaffolds based on graphenebased nanomaterials and the potential of these constructs in tissue engineering are discussed.The perspectives and challenges are also addressed. | Ning Li Yilin Cheng Qin Song Ziyun Jiang Mingliang Tang Guosheng Cheng | 2014 | Chinese Science Bulletin2014,59,13: | 1 |
| 6 | Effects of the flow rate of hydrogen on the growth of graphene显示文摘Graphene samples with different morphologies were fabricated on the inside of copper enclosures by low pressure chemical vapor deposition and tuning the flow rate of hydrogen.It is found that the flow rate of hydrogen greatly influences the growth of graphene.Thermodynamic analysis indicates that a higher flow rate of hydrogen is favorable to the formation of good quality graphene with regular morphology.However,the mass-transfer process of methane dominates the growth driving force.At very low pressure,mass-transfer proceeds by Knudsen diffusion,and the mass-transfer flux of methane decreases as the flow rate of hydrogen increases,leading to a decrease in the growth driving force.At a higher pressure,mass-transfer proceeds by Fick's diffusion,and the mass-transfer flux of methane is dominated by the gas velocity,whose variation determines the growth driving force variation of graphene. | Yong-gui Shi Yue Hao Dong Wang Jin-cheng Zhang Peng Zhang Xue-fang Shi Dang Han Zheng Chai Jing-dong Yan | 2015 | International Journal of Minerals,Metallurgy and Materials2015,22,1: | 0 |