scholarly journals Graphene Functionalization towards Developing Superior Supercapacitors Performance

2021 ◽  
Author(s):  
Abd Elhamid M. Abd Elhamid ◽  
Heba Shawkey ◽  
Ahmed A.I. Khalil ◽  
Iftitan M. Azzouz
Keyword(s):  
Solid State ◽  
Wide Band ◽  
Superior Performance ◽  
Monolayer Graphene ◽  
Dielectric Spacer ◽  
Reduced Graphene ◽  
One Step ◽  
Versatile Technique ◽  
And Performance ◽  
Graphene Functionalization

Graphene is known as the miracle material of the 21st century for the wide band of participating applications and epic properties. Unlike the CVD monolayer graphene, Reduced graphene oxide (RGO) is a commercial form with mass production accessibility via numerous numbers of methods in preparation and reduction terms. Such RGO form showed exceptional combability in supercapacitors (SCs) where RGO is participated to promote flexibility, lifetime and performance. The chapter will illustrate 4 critical milestones of using graphene derivatives for achieving SC’s superior performance. The first is using oxidized graphene (GO) blind with polymer for super dielectric spacer. The other three types are dealing with electrolytic SCs based on RGO. Polyaniline (PANI) was grown on GO for exceptionally stable SCs of 100% retention. Silver decoration of RGO was used for all-solid-state printable device. The solid-state gel electrolyte was developed by adding GO to promote current rating. Finally, laser reduced graphene is presented as a one-step and versatile technique for micropatterning processing. The RGO reduction was demonstrated from a laser GO interaction perspective according to two selected key parameters; wavelength and pulse duration.

One-step solid state preparation of reduced graphene oxide

Carbon ◽  
2012 ◽  
Vol 50 (6) ◽  
pp. 2134-2140 ◽  
Author(s):  
Jianfeng Shen ◽  
Tie Li ◽  
Yu Long ◽  
Min Shi ◽  
Na Li ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Solid State ◽  
Reduced Graphene Oxide ◽  
State Preparation ◽  
Reduced Graphene ◽  
One Step

Synthesis of silver/nitrogen-doped reduced graphene oxide through a one-step thermal solid-state reaction for oxygen reduction in an alkaline medium

2016 ◽  
Vol 324 ◽  
pp. 412-420 ◽  
Author(s):  
Li Ting Soo ◽  
Kee Shyuan Loh ◽  
Abu Bakar Mohamad ◽  
Wan Ramli Wan Daud ◽  
Wai Yin Wong
Keyword(s):  
Graphene Oxide ◽  
Solid State ◽  
Oxygen Reduction ◽  
Reduced Graphene Oxide ◽  
Alkaline Medium ◽  
Solid State Reaction ◽  
Nitrogen Doped ◽  
Reduced Graphene ◽  
One Step

One-step solid-state synthesis of sulfur-reduced graphene oxide composite for lithium-sulfur batteries

2016 ◽  
Vol 685 ◽  
pp. 216-221 ◽  
Author(s):  
Xiaozhong Zhou ◽  
Yujie Li ◽  
Guofu Ma ◽  
Qianru Ma ◽  
Ziqiang Lei
Keyword(s):  
Graphene Oxide ◽  
Solid State ◽  
Reduced Graphene Oxide ◽  
Solid State Synthesis ◽  
Oxide Composite ◽  
Reduced Graphene ◽  
Lithium Sulfur Batteries ◽  
One Step ◽  
Lithium Sulfur

scholarly journals Solid State NMR Spectroscopy a Valuable Technique for Structural Insights of Advanced Thin Film Materials: A Review

Nanomaterials ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1494
Author(s):  
Mustapha El Hariri El Nokab ◽  
Khaled O. Sebakhy
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Solid State ◽  
Solid State Nmr ◽  
Pulse Sequences ◽  
3D Structure ◽  
Spectroscopic Techniques ◽  
Film Research ◽  
Versatile Technique ◽  
Work Done

Solid-state NMR has proven to be a versatile technique for studying the chemical structure, 3D structure and dynamics of all sorts of chemical compounds. In nanotechnology and particularly in thin films, the study of chemical modification, molecular packing, end chain motion, distance determination and solvent-matrix interactions is essential for controlling the final product properties and applications. Despite its atomic-level research capabilities and recent technical advancements, solid-state NMR is still lacking behind other spectroscopic techniques in the field of thin films due to the underestimation of NMR capabilities, availability, great variety of nuclei and pulse sequences, lack of sensitivity for quadrupole nuclei and time-consuming experiments. This article will comprehensively and critically review the work done by solid-state NMR on different types of thin films and the most advanced NMR strategies, which are beyond conventional, and the hardware design used to overcome the technical issues in thin-film research.

Modeling and performance evaluation of antennas coated using monolayer graphene in the millimeter and sub‐millimeter wave bands

2021 ◽  
Author(s):  
Mohammed Taih Gatte ◽  
Ping Jack Soh ◽  
Rasim Azeez Kadhim ◽  
Haider J. Abd ◽  
R. Badlishah Ahmad
Keyword(s):  
Performance Evaluation ◽  
Millimeter Wave ◽  
Monolayer Graphene ◽  
And Performance

Synthesis, characterization, and performance of nanocomposites containing reduced graphene oxide, polyaniline, and cobalt ferrite

2021 ◽  
pp. 412974
Author(s):  
M. Kooti ◽  
A. Naghdi Sedeh ◽  
Kh Gheisari ◽  
A. Figuerola
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Cobalt Ferrite ◽  
Reduced Graphene ◽  
And Performance

Rational construction of a CdS/reduced graphene oxide/TiO2 core–shell nanostructure as an all-solid-state Z-scheme system for CO2 photoreduction into solar fuels

RSC Advances ◽  
2015 ◽  
Vol 5 (107) ◽  
pp. 88409-88413 ◽  
Author(s):  
Libang Kuai ◽  
Yong Zhou ◽  
Wengguang Tu ◽  
Ping Li ◽  
Haijin Li ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Solid State ◽  
Reduced Graphene Oxide ◽  
Solar Fuels ◽  
Photocatalytic Reduction ◽  
Core Shell ◽  
Electron Mediator ◽  
Co2 Photoreduction ◽  
Reduced Graphene ◽  
Rational Construction

An all-solid-state Z-scheme was constructed for the photocatalytic reduction of CO2, consisting of CdS and TiO2 as photocatalysts, and reduced graphene oxide as a solid electron mediator.

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