
Investigation of the dispersion of reduced graphene oxide in ...
2023年10月15日 · Dispersion of rGO in an alkaline environment is studied by different mixing protocols. The shearing force of sand reduces the aggregation of rGO in alkaline environment. Uniformly dispersed rGO is beneficial for improving microstructure of composites.
Experimental investigations on the impact of graphene-based …
2023年8月23日 · The strength of GO-rGO concrete has been investigated. The result shows an 18%, 29%, and 20% increase in compressive, tensile, and flexural strengths, respectively, compared to the nominal mix concrete after 28 days. The mix with 0.02% rGO and 0.06% GO excelled with a significant increase over other mixes.
Incorporation of reduced graphene oxide in waste-based concrete ...
2024年7月1日 · The findings indicate that rGO improves the characteristics of the waste-based concrete. 0.1% is the optimum dosage of rGO to increase the compressive strength (47%), splitting tensile strength (44%), and flexural strength (42%) and decrease the water absorption (45%) and drying shrinkage (35%) of the concrete.
In this research, Graphene Oxide (GO) and reduced Graphene Oxide (rGO) have been prepared through modified Hummers method that uses microwave irradiation and hydrothermal process as reduction methods. This research can be divided into two main steps, i.e. preparation of GO and preparation of rGO.
Development of a one-pot synthesis of rGO in water by ... - Nature
2024年9月27日 · Given some difficulties in obtaining high quality graphene, one of the most popular alternative is the synthesis of the reduced graphene oxide (rGO). This material derives from the reduction of...
GO、rGO 和金属氧化物/rGO 复合材料的简明综述:超级电容器及 …
氧化石墨烯 (GO) 和还原氧化石墨烯 (rGO) 的固有特性在多种应用中得到高度开发。 研究表明,当金属氧化物 (MO) 被引入其表面时,这些纳米颗粒的性能会高度升高。 已经讨论了 GO 和 rGO 的各种报道合成程序,包括将 GO 还原为 rGO 的绿色方法。 本文讨论了石墨烯及其衍生物 GO、rGO 和金属氧化物/rGO (MO/rGO) 复合材料的性能及其在超级电容器和催化中的应用。 讨论了 GO 和 rGO 的结构、振动、光学、形态学和电化学特征。 双电层电容 (EDLC)、伪 …
Mix proportions of rGO dispersions | Download Scientific Diagram
In the present study, graphene oxide (GO), reduced graphene oxide (rGO) and carboxylated graphene (GCOOH) have been incorporated in lime-pozzolan-cement pastes, aiming to develop self-sensing ...
不同还原方法制备的还原氧化石墨烯结构研究,Carbon Letters - X …
通过SEM、XPS、Raman、FTIR和TGA比较了rGO的还原程度和官能团。 热可以去除氧化石墨烯(GO)的大部分含氧基团,热还原是最有效的还原方法。 紫外光可直接作用于不稳定的含氧基团,其还原效率仅次于热还原。
还原氧化石墨烯 (rGO)/复合材料的合成、表征和多功能应用的批判 …
本文回顾了还原氧化石墨烯 (rGO) 的各种新兴特征和未来范围。 提出了通过不同基体开发复合材料的可能性,以评估 Gr 的应用潜力、各种制造技术及其在改善复合材料性能中的作用。
Physical, Compressive Strength, and Microstructural ... - MDPI
2025年2月7日 · Thirty-two ambient cured alkali-activated engineered composites (AAECs) were developed by incorporating MgO, multi-walled carbon nanotubes (MWCNTs), reduced graphene oxide (rGO), and polyvinyl alcohol (PVA) fiber with a one-part dry mix technique using powder-based activators/reagents.