One-step room-temperature exfoliation of graphite to 100% few-layer graphene with high quality and large size

2018 ◽  
Vol 6 (31) ◽  
pp. 8343-8348 ◽  
Author(s):  
Ting Liu ◽  
Xuesha Zhang ◽  
Mengjie Liu ◽  
Wenyu Wu ◽  
Kang Liu ◽  
...  

A mechanistic scheme of room-temperature chemical exfoliation of graphite into graphene.

Nanoscale ◽  
2013 ◽  
Vol 5 (16) ◽  
pp. 7202 ◽  
Author(s):  
Liyong Niu ◽  
Mingjian Li ◽  
Xiaoming Tao ◽  
Zhuang Xie ◽  
Xuechang Zhou ◽  
...  

Polymers ◽  
2021 ◽  
Vol 13 (10) ◽  
pp. 1550
Author(s):  
Vineet Kumar ◽  
Anuj Kumar ◽  
Minseok Song ◽  
Dong-Joo Lee ◽  
Sung-Soo Han ◽  
...  

The increasing demand for polymer composites with novel or improved properties requires novel fillers. To meet the challenges posed, nanofillers such as graphene, carbon nanotubes, and titanium dioxide (TiO2) have been used. In the present work, few-layer graphene (FLG) and iron oxide (Fe3O4) or TiO2 were used as fillers in a room-temperature-vulcanized (RTV) silicone rubber (SR) matrix. Composites were prepared by mixing RTV-SR with nanofillers and then kept for vulcanization at room temperature for 24 h. The RTV-SR composites obtained were characterized with respect to their mechanical, actuation, and magnetic properties. Fourier-transform infrared spectroscopy (FTIR) analysis was performed to investigate the composite raw materials and finished composites, and X-ray photoelectron spectroscopy (XPS) analysis was used to study composite surface elemental compositions. Results showed that mechanical properties were improved by adding fillers, and actuation displacements were dependent on the type of nanofiller used and the applied voltage. Magnetic stress-relaxation also increased with filler amount and stress-relaxation rates decreased when a magnetic field was applied parallel to the deformation axes. Thus, this study showed that the inclusion of iron oxide (Fe3O4) or TiO2 fillers in RTV-SR improves mechanical, actuation, and magnetic properties.


Nano Letters ◽  
2011 ◽  
Vol 11 (11) ◽  
pp. 4607-4611 ◽  
Author(s):  
Ferry Prins ◽  
Amelia Barreiro ◽  
Justus W. Ruitenberg ◽  
Johannes S. Seldenthuis ◽  
Núria Aliaga-Alcalde ◽  
...  

Crystals ◽  
2018 ◽  
Vol 8 (12) ◽  
pp. 449
Author(s):  
Shuxian Cai ◽  
Xingfang Liu ◽  
Xin Zheng ◽  
Zhonghua Liu

Ordered graphene ribbons were grown on the surface of 4° off-axis 4H-SiC wafers by sublimation epitaxy, and characterized by using scanning electron microscopy (SEM), atomic force microscopy (AFM) and micro-Raman spectroscopy (μ-Raman). SEM showed that there were gray and dark ribbons on the substrate surface, and AFM further revealed that these ordered graphene ribbons had clear stepped morphologies due to surface step-bunching. It was shown by μ-Raman that the numbers of graphene layers of these two types of regions were different. The gray region was composed of mono- or bilayer ordered graphene ribbon, while the dark region was of tri- or few-layer ribbon. Meanwhile, ribbons were all homogeneous and had a width up to 40 μm and a length up to 1000 μm, without micro defects such as grain boundaries, ridges, or mono- and few-layer graphene mixtures. The results of this study are useful for optimized growth of high-quality graphene film on silicon carbide crystal.


2018 ◽  
Vol 18 (8) ◽  
pp. 898-904 ◽  
Author(s):  
Hongxia Wang ◽  
Leimei Sheng ◽  
Xinluo Zhao ◽  
Kang An ◽  
Zhongmin Ou ◽  
...  

2014 ◽  
Vol 50 (3) ◽  
pp. 1317-1322 ◽  
Author(s):  
Xiang-feng Wu ◽  
Jie Zhang ◽  
Ya-fang Zhuang ◽  
Jing Li ◽  
Liu-chun Han ◽  
...  

RSC Advances ◽  
2020 ◽  
Vol 10 (59) ◽  
pp. 35957-35957
Author(s):  
Shubhda Srivastava ◽  
Shubhendra K. Jain ◽  
Govind Gupta ◽  
T. D. Senguttuvan ◽  
Bipin Kumar Gupta

Correction for ‘Boron-doped few-layer graphene nanosheet gas sensor for enhanced ammonia sensing at room temperature’ by Shubhda Srivastava et al., RSC Adv., 2020, 10, 1007–1014. DOI: 10.1039/C9RA08707A


Carbon ◽  
2012 ◽  
Vol 50 (2) ◽  
pp. 612-621 ◽  
Author(s):  
Taeseon Hwang ◽  
Joon Suk Oh ◽  
Jung-Pyo Hong ◽  
Gi-Yong Nam ◽  
Ah-Hyun Bae ◽  
...  

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