graphene – Page 3 – TechConnect Briefs

Novel Graphene Structures: Substantial Capacity Enhancement in Lithium Batteries

Paronyan T.M., Thapa A.K., Sherihy A., Jasinski J.B., Dilip Jangam S.J., University of Louisville, US

Development of high capacity rechargeable battery anode would significantly improve the advanced energy technologies and enhance the energy efficiency of many economic markets, particularly electric grid storages and renewables. Recently, major research has been directed [...]

Mass Production of Graphene and Magnetic Nanoparticle in Arc Discharge Plasma and their Potential Biological Applications

Fang X., The George Washington University, US

Nowadays, mass production of high quality Graphene Platelet Networks (GPNs) and Magnetic Nanoparticles (MNs) are highly requested due to their wide range of applications such as flexible electronics, high-frequency transistors, energy storage, and biomedical applications. [...]

Learning the Physics and Chemistry of Surfaces via Machine Vision and Deep Data Analysis

Ziatdinov M., Maksov A., Kalinin S.V., Oak Ridge National Laboratory, US

The last decade has witnessed an enormous increase in the size and quality of datasets produced by microscopic and spectroscopic experimental techniques. Particularly, the recent advances in scanning transmission electron and scanning probe microscopies have [...]

SU8-graphene: a new photo-patternable conductive polymer composite

Majidian M., Grimaldi C., Baibarac M., Baltog I., Forró L., Magrez A., EPFL, CH

SU8 epoxy is a photo-resist with great intrinsic properties such as high thermal stability, chemical and mechanical robustness along with high sensitivity to UV. Having eight reactive epoxy sites in each monomer molecule, a high [...]

Drying Graphene Nanofluid on Heated Substrate

Chen P., University of Valenciennes, FR

With many extraordinary properties, especially the extremely high thermal conductivity, the graphene has potential applications in energy, electronic, medicine and so on. The addition of graphene nanoparticle to prepare water-based or ethylene-glycol-based nanofluid can significantly [...]

Cotton Fabric Immobilized AuNP@Graphene and ZnO@rGO for Heterogeneous Catalysis and Photocatalysis

Baruah B., Baruah S., West B., Baruah B., Baruah S., Kennesaw State University, US

The present study demonstrates liquid-phase exfoliation of graphene from pristine graphite in presence of surfactant and synthesis of reduced graphene oxide (rGO) via graphene oxide method. Pretreated cotton fabrics are primed with binder molecules before [...]

Graphene Oxide and Reduced Graphene Oxide and Their Water Purification Properties

Baruah B., Baruah S., Kohler G., Baruah B., Baruah S., Kennesaw State University, US

In this study, we synthesized graphene oxide (GO) from graphite with slight modification of literature method. We have deposited purified GO on pure sand to generate GO@sand composite. The GO@sand composite was further reduced chemically [...]

Carbon Nanotubes on Graphene – Interfacial and Electrical Properties

Senegor R., Adesida A., Zhou C., Vyas A.A., Wang P., Yang C.Y., Santa Clara University, US

Continuous downward scaling in silicon integrated circuit technology into the sub-20 nm regime has created critical challenges in chip manufacturing, among them, reliability and performance of on-chip interconnects [1]. Current interconnect materials, Cu and W, [...]

Vertically Aligned Graphene sheets Based Coatings as Nano-micro-structured Electrodes for Enhanced Performance of Supercapacitors

Jang G.G., Keum J.K., Song B., Li L., Hensley D.K., Jiang Y., Hunt A., Moon K-S, Wong C.P., Hu M.Z., Hunt A., Oak Ridge National Laboratory, US

This work develops a molecular engineering approach to control the interspacing of graphene sheets and then an external field approach to induce the re-orientation of the graphene sheets during the deposition process to form a [...]

Mechanical and Dielectric Properties of Polyhedral Oligomeric Silsesquioxanes Modified Graphene Oxide/Polyimide Nanocomposites

Ma C.-C.M., Liao W-H, Hsiao S-T, Wang Y-S, Li S-M, Liao W-H, Lin S-C, Lin S-C, National Tsing Hua University, TW

An effective method is proposed to prepare octa(aminophenyl) silsesquioxane (OAPS) functionalized graphene oxide (GO) reinforced polyimide (PI) composites with a low dielectric constant and ultra-high mechanical properties. The amine-functionalized surface of OAPS-GO is a versatile [...]