Ionic interactions to tune mechanical and electrical properties of hydrated liquid crystal graphene oxide films

2017 ◽  
Vol 186 ◽  
pp. 90-97 ◽  
Author(s):  
Mohammad Javadi ◽  
Sina Naficy ◽  
Stephen Beirne ◽  
Sepidar Sayyar ◽  
Rouhollah Jalili ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Liquid Crystal ◽  
Electrical Properties ◽  
Oxide Films ◽  
Ionic Interactions ◽  
Mechanical And Electrical Properties

scholarly journals Investigation of Graphene Derivatives on Electrical Properties of Alkali Activated Slag Composites

Materials ◽  
2021 ◽  
Vol 14 (16) ◽  
pp. 4374
Author(s):  
Wu-Jian Long ◽  
Xuanhan Zhang ◽  
Biqin Dong ◽  
Yuan Fang ◽  
Tao-Hua Ye ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Electrical Properties ◽  
Mechanical Performance ◽  
Structural Defects ◽  
Alkali Activated Slag ◽  
Mechanical And Electrical Properties ◽  
Reduced Graphene ◽  
Graphene Derivatives ◽  
Activated Slag ◽  
Alkali Activated

Reduced graphene oxide (rGO) has been widely used to modify the mechanical performance of alkali activated slag composites (AASC); however, the mechanism is still unclear and the electrical properties of rGO reinforced AASC are unknown. Here, the rheological, mechanical, and electrical properties of the AASC containing rGO nanosheets (0, 0.1, 0.2, and 0.3 wt.%) are investigated. Results showed that rGO nanosheets addition can significantly improve the yield stress, plastic viscosity, thixotropy, and compressive strength of the AASC. The addition of 0.3 wt.% rGO nanosheets increased the stress, viscosity, thixotropy, and strength by 186.77 times, 3.68 times, 15.15 times, and 21.02%, respectively. As for electrical properties, the impedance of the AASC increased when the rGO content was less than 0.2 wt.% but decreased with the increasing dosage. In contrast, the dielectric constant and electrical conductivity of the AASC containing rGO nanosheets decreased and then increased, which can be attributed to the abundant interlayer water and the increasing structural defects as the storage sites for charge carriers, respectively. In addition, the effect of graphene oxide (GO) on the AASC is also studied and the results indicated that the agglomeration of GO nanosheets largely inhibited the application of it in the AASC, even with a small dosage.

scholarly journals Enhanced synthesis method of graphene oxide

2021 ◽  
Vol 3 (1) ◽  
pp. 223-230
Author(s):  
Zineb Benzait ◽  
Pengwan Chen ◽  
Levent Trabzon
Keyword(s):  
Graphene Oxide ◽  
Electrical Properties ◽  
Synthesis Method ◽  
Environmentally Friendly ◽  
Mechanical And Electrical Properties ◽  
Pre Treatment ◽  
Treatment Step

A simple and environmentally friendly pre-treatment step allows the production of graphene oxide with few defects and high mechanical and electrical properties.

scholarly journals Bioinspired wood-like coaxial fibers based on MXene@graphene oxide with superior mechanical and electrical properties

Nanoscale ◽  
2020 ◽  
Vol 12 (41) ◽  
pp. 21325-21333
Author(s):  
Xing Chen ◽  
Jianjun Jiang ◽  
Guoyu Yang ◽  
Chuanbing Li ◽  
Yujun Li
Keyword(s):  
Graphene Oxide ◽  
Electrical Properties ◽  
Mechanical And Electrical Properties ◽  
Coaxial Fibers

Inspired by the structure of wood, a coaxial MXene@GO fiber with a superior mechanical shell and an electrical core is fabricated.

scholarly journals The effect of ambient humidity on the electrical properties of graphene oxide films

2012 ◽  
Vol 7 (1) ◽  
pp. 363 ◽  
Author(s):  
Yao Yao ◽  
Xiangdong Chen ◽  
Jinfeng Zhu ◽  
Baoqing Zeng ◽  
Zuquan Wu ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Electrical Properties ◽  
Oxide Films ◽  
Ambient Humidity

scholarly journals Ice-templated hybrid graphene oxide—graphene nanoplatelet lamellar architectures: tuning mechanical and electrical properties

2021 ◽  
Vol 32 (20) ◽  
pp. 205601
Author(s):  
Pei Yang ◽  
Gustavo Tontini ◽  
Jiacheng Wang ◽  
Ian A Kinloch ◽  
Suelen Barg
Keyword(s):  
Graphene Oxide ◽  
Electrical Properties ◽  
Graphene Nanoplatelet ◽  
Mechanical And Electrical Properties
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