Well controlled reduction, N-doping and cross-linking of graphene hydrogel: As good template for photocatalytic reaction
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.146945
Abstract: Abstract The combination of semiconductor nanoparticles (NPs) and graphene in the form of composite aerogels has become a valid strategy for improving the photocatalytic performance. However, the disorderly aggregation of NPs and the complexity of… read more here.
Keywords: reduction; graphene hydrogel; well controlled; template ... See more keywords
Hierarchical construction of high-performance all-carbon flexible fiber supercapacitors with graphene hydrogel and nitrogen-doped graphene quantum dots
Sign Up to like & getrecommendations! Published in 2019 at "Carbon"
DOI: 10.1016/j.carbon.2019.08.040
Abstract: Abstract Carbon-based flexible fiber-based supercapacitors (FFSCs) are promising power sources for portable and wearable electronics, but their applications are limited by low energy density due to a lower specific capacitance of common carbon materials. We… read more here.
Keywords: nitrogen doped; flexible fiber; carbon; capacitance ... See more keywords
Self-assembly of flexible graphene hydrogel electrode based on crosslinked pectin-cations.
Sign Up to like & getrecommendations! Published in 2018 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2018.04.078
Abstract: Pectin, natural polysaccharide biopolymer, was chelated with cations (Mg2+/Ca2+) to form an interwoven framework. Herein, the graphene hydrogel electrodes were self-assembled by the synergistic effects of pectin-cations. The optimum combination proportion was determined, the Mg2+/Ca2+-pectin… read more here.
Keywords: pectin cations; self assembly; hydrogel; graphene hydrogel ... See more keywords
Electrodepositing manganese oxide into a graphene hydrogel to fabricate an asymmetric supercapacitor
Sign Up to like & getrecommendations! Published in 2018 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2018.09.025
Abstract: Abstract Asymmetric supercapacitors possess advantages of elevated capacitance, extended output voltage, and then improved power-energy characteristic. Here we report on a composite electrode prepared by electrodepositing manganese oxide into a graphene hydrogel and its capacitive… read more here.
Keywords: asymmetric supercapacitor; graphene hydrogel; oxide graphene; manganese oxide ... See more keywords
Application of three-dimensional graphene hydrogels for removal of ofloxacin from aqueous solutions
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Nanotechnology, Monitoring and Management"
DOI: 10.1016/j.enmm.2019.100274
Abstract: Abstract Antibiotics widely use around the world. There is an increasing demand for the removal of antibiotics from water due to their toxicity to living beings and the adsorption process regarded as a promising method… read more here.
Keywords: graphene hydrogels; graphene hydrogel; removal ofloxacin; graphene ... See more keywords
Adsorption mechanism and effect of moisture contents on ciprofloxacin removal by three-dimensional porous graphene hydrogel.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2019.04.021
Abstract: The three-dimensional (3D) porous graphene hydrogel (GH) was synthetized by an environmentally friendly one-step hydrothermal reduction method. The characterization methods, such as Environmental scanning electron microscope, Contact angle, and Fourier transform infrared spectroscopy, were used… read more here.
Keywords: three dimensional; dimensional porous; adsorption; moisture ... See more keywords
Achieving commercial-level mass loading in ternary-doped holey graphene hydrogel electrodes for ultrahigh energy density supercapacitors
Sign Up to like & getrecommendations! Published in 2018 at "Nano Energy"
DOI: 10.1016/j.nanoen.2018.02.007
Abstract: Enabling fast ion diffusion in thick electrodes (100–200 μm, ~10 mg cm−2) is critical for their practical application in state-of-the-art supercapacitors (SCs). We developed a three-dimensional (3D) boron, nitrogen, and phosphorus ternary-doped holey graphene hydrogel… read more here.
Keywords: holey graphene; graphene hydrogel; energy; graphene ... See more keywords
Facile synthesis of g-C3N4 quantum dots/graphene hydrogel nanocomposites for high-performance supercapacitor
Sign Up to like & getrecommendations! Published in 2022 at "RSC Advances"
DOI: 10.1039/d1ra08962e
Abstract: This work demonstrates a facile one-pot method for preparing graphitic carbon nitride (g-C3N4) quantum dots/graphene hydrogel (CNQ/GH) nanocomposites using a hydrothermal process, in which graphene sheets of a graphene hydrogel (GH) are decorated with g-C3N4… read more here.
Keywords: c3n4 quantum; quantum dots; supercapacitor; graphene hydrogel ... See more keywords
Effective and high-voltage supercapacitors with graphene hydrogel in neutral aqueous solution
Sign Up to like & getrecommendations! Published in 2018 at "Integrated Ferroelectrics"
DOI: 10.1080/10584587.2018.1457382
Abstract: ABSTRACT A simple and environmentally friendly route was developed to synthesize graphene hydrogel (GH) from ascorbic acid with mesoporous structure. The symmetric supercapacitors were packaged using GH as electrodes (GH\\GH). GH\\GH supercapacitor in the neutral… read more here.
Keywords: voltage; graphene hydrogel; neutral aqueous; effective high ... See more keywords
In-situ Growth of Flower-Like MnO2/Graphene Hydrogel Mesoporous Electrode Material for Supercapacitors
Sign Up to like & getrecommendations! Published in 2020 at "Integrated Ferroelectrics"
DOI: 10.1080/10584587.2020.1728629
Abstract: Abstract A simple and environmentally friendly route is developed to produce flower-like MnO2/graphene hydrogel (MnO2/GH) composites with mesoporous structure. The results show that flower-like MnO2 is firmly adhered to the surface and interior of GH.… read more here.
Keywords: graphene hydrogel; flower like; like mno2; mno2 composites ... See more keywords
Graphene hydrogel supported palladium nanoparticles as an efficient and reusable heterogeneous catalysts in the transfer hydrogenation of nitroarenes using ammonia borane as a hydrogen source
Sign Up to like & getrecommendations! Published in 2017 at "Pure and Applied Chemistry"
DOI: 10.1515/pac-2017-0714
Abstract: Abstract Addressed herein is a facile one-pot synthesis of graphene hydrogel (GHJ) supported Pd nanoparticles (NPs), namely Pd-GHJ nanocomposites, via a novel method that comprises the combination of hydrothermal treatment and polyol reduction protocols in… read more here.
Keywords: graphene hydrogel; heterogeneous catalysts; hydrogenation; ghj nanocomposites ... See more keywords