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Mechanism of ethanol/water reverse separation through a functional graphene membrane: a molecular simulation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 347-357 doi: 10.1007/s11705-022-2246-z

Abstract: Graphene-based membranes with tunable apertures and functional groups have shown substantial potentialPristine graphene (PG) exhibits reverse-selective behavior with higher ethanol fluxes than water, resultingIn contrast, water molecules are preferred for hydroxylated graphene membranes because of the synergisticA simulation of the operando condition shows that the PG membrane with an aperture size of 3.8 Å achievesThis study provides new insights into the reverse-selective mechanism of porous graphene membranes and

Keywords： reverse separation     graphene membrane     ethanol/water separation     molecular simulation    

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Hydrophilic/underwater superoleophobic graphene oxide membrane intercalated by TiO

Zhichao Wu, Chang Zhang, Kaiming Peng, Qiaoying Wang, Zhiwei Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 3, doi: 10.1007/s11783-018-1042-y

Abstract: Membrane technology for oil/water separation has received increasing attention in recent years.In this study, the hydrophilic/underwater superoleophobic membrane with enhanced water permeability andantifouling ability were fabricated by synergistically assembling graphene oxide(GO) nanosheets andGO/TiO membrane exhibits hydrophilic and underwater superoleophobic properties with water contact anglemore than 5 times that of the pristine GO membrane.

Keywords： Hydrophilic     Superoleophobic     Graphene oxide     Membrane     Titanium dioxide nanotubes     Oil-water separation    

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Enhanced permeability and biofouling mitigation of forward osmosis membranes via grafting graphene quantum

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1470-1483 doi: 10.1007/s11705-023-2329-5

Abstract: In this paper, graphene oxide quantum dots with amino groups (NH2-GOQDs) were tailored tothe surface of a thin-film composite (TFC) membrane surface for optimizing forward osmosis (FO) membraneThe results jointly demonstrated hydrophilicity and surface roughness of the membrane enhanced afterIn the dynamic biofouling experiment, TFC-100 membrane showed a lower flux decline than TFC membrane.was notably better than that of TFC membrane (63%).

Keywords： forward osmosis membrane     graphene oxide quantum dots     graft modification     anti-fouling membrane     XDLVO    

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Theoretical study on Janus graphene oxide membrane for water transport

Quan Liu, Mingqiang Chen, Yangyang Mao, Gongping Liu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 913-921 doi: 10.1007/s11705-020-1954-5

Abstract: Graphene oxide (GO) membranes have received considerable attention owing to their outstanding water-permeationproperties; however, the effect of the membrane’s microstructures (such as the distribution of oxidizedThe results indicate that the oxidized upper surface endows the GO membrane with considerable water-captureConsequently, using the optimized Janus GO membrane, infinite water selectivity and outstanding water

Keywords： graphene oxide membrane     molecular dynamics simulation     water permeation     water-ethanol separation     oxidized    

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The use of carbon nanomaterials in membrane distillation membranes: a review

Sebastian Leaper, Ahmed Abdel-Karim, Patricia Gorgojo

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 755-774 doi: 10.1007/s11705-020-1993-y

Abstract: Membrane distillation (MD) is a thermal-based separation technique with the potential to treat a wideOf particular interest is the class of carbon-based nanomaterials which includes graphene and carbonTheir use in MD has resulted in improved membrane performance characteristics like increased permeabilityThey have also enabled novel membrane capabilities such as fouling detection and localised heat generationan account of the various uses of carbon nanomaterials for MD applications, focussing on polymeric membrane

Keywords： carbon nanomaterials     graphene     membrane distillation     desalination     carbon nanotubes    

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G-CNTs/PVDF mixed matrix membranes with improved antifouling properties and filtration performance

Xiaoyan Guo, Chunyu Li, Chenghao Li, Tingting Wei, Lin Tong, Huaiqi Shao, Qixing Zhou, Lan Wang, Yuan Liao

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 6, doi: 10.1007/s11783-019-1165-9

Abstract:

The P-OMWCNT-A-GO membrane was fabricated by

It should be due to the enhanced membrane pore

Keywords： carbon nanotubes     graphene oxide     mixed matrix membrane     nanohybrid     antifouling membrane     membrane hydrophilicity    

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Role of oxygen vacancy inducer for graphene in graphene-containing anodes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 326-333 doi: 10.1007/s11705-022-2213-8

Abstract: Currently, graphene is only considered as a conductive additive and expansion inhibitor in oxides/grapheneIn this study, a new graphene role (oxygen vacancy inducer) in graphene/oxides composites anodes, whichDuring high-temperature processing, graphene forms carbon vacancies due to increased thermal vibrationThe findings can result in a better understanding of graphene’s roles in graphene/oxide composite anodes

Keywords： oxide     oxygen vacancy     graphene     anode     density functional theory calculation    

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Ammonia adsorption on graphene and graphene oxide: a first-principles study

Yue PENG, Junhua LI

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 403-411 doi: 10.1007/s11783-013-0491-6

Abstract: Motivated by the recent realization of graphene sensor to detect gas molecules that are harmful to theenvironment, the ammonia adsorption on graphene or graphene oxide (GO) was investigated using first-principlesThe optimal adsorption and orientation of the NH molecules on the graphene surfaces were determined,The for the graphene are small and seem to be independent of the sites and orientations.

Keywords： graphene oxide     first-principles calculations     NH3 adsorption    

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Electroconductive RGO-MXene membranes with wettability-regulated channels: improved water permeability and electro-enhanced rejection performance

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1601-8

Abstract:

● Electroconductive RGO-MXene membranes were fabricated.

Keywords： Reduced graphene oxide     MXene     Membrane     Water permeance     Dye rejection     Electro-assistance    

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Mechanical properties and microstructure of multilayer graphene oxide cement mortar

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1058-1070 doi: 10.1007/s11709-021-0747-3

Abstract: This study reports on the effects of multilayer graphene oxide (MGO) on compressive strength, flexural

Keywords： graphene oxide     cement     mortar     mechanical properties     microstructure    

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Nitrogen-doped graphene approach to enhance the performance of a membraneless enzymatic biofuel cell

Alireza AHMADIAN YAZDI, Jie XU

Frontiers in Energy 2018, Volume 12, Issue 2,   Pages 233-238 doi: 10.1007/s11708-018-0529-3

Abstract: Heteroatom-doping of pristine graphene is an effective route for tailoring new characteristics in termsNitrogen-doped graphene (N-graphene), for instance, has shown excellent performance in many electrochemicalOwing to the excellent sensitivity of N-graphene, the development of highly sensitive and fast-responseThus, here we first synthesized N-graphene via a catalyst-free single-step thermal process, and madeOur findings demonstrate that the electron accepting nitrogen sites in the graphene structure enhances

Keywords： enzymatic fuel cell     nitrogen-doped graphene     reduced graphene oxide     catalyst-free synthesis    

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Preparation and antibacterial property of Polyethersulfone Hybrid Ultrafiltration Membrane Containing

Zhu Junyong,Wang Qiongke,Xu Xin,Liu Chuochuo,Liu Jindun,Zhang Yatao

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 23-29

Abstract:

Graphene oxide provides an ideal substrate for lysozyme immobilizationimmobilized lysozyme of GO used as the addictive was blended with PES to prepare hybrid ultrafiltration membraneMeanwhile, the mechanical strength of hybrid membrane was also increased.The rejection of PVA30000-70000 was 99% and the antibacterial rate of the hybrid membrane against E.

Keywords： Graphene oxide     Lysozyme     Polyethersulfone Ultrafiltration membrane     Antibacterial property    

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Effect of graphene and its derivatives on thermo-mechanical properties of phase change materials and

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 150-186 doi: 10.1007/s11708-021-0795-3

Abstract: Therefore, in the present review the progress made in deploying the graphene (Gr) in PCMs in the last

Keywords： phase change materials (PCMs)     graphene     thermal conductivity     characterization    

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Electrocatalytic debromination of BDE-47 at palladized graphene electrode

Hongtao YU, Bin MA, Shuo CHEN, Qian ZHAO, Xie QUAN, Shahzad AFZAL

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 180-187 doi: 10.1007/s11783-013-0552-x

Abstract: Graphene electrodes (Ti/Gr) were prepared by depositing Gr sheets on Ti substrate, followed by an annealing

Keywords： graphene     palladium     debromination     BDE-47    

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Synthesis of hydrophobic carbon nanotubes/reduced graphene oxide composite films by flash light irradiation

Kai Wang, Jinbo Pang, Liwei Li, Shengzhe Zhou, Yuhao Li, Tiezhu Zhang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 376-382 doi: 10.1007/s11705-018-1705-z

Abstract:

Carbon nanotubes/graphene composites have superior mechanical, electrical and electrochemistry propertiesvapor depositions, or lead to insufficient extrusion of carbon nanotubes in the chemical reductions of grapheneoxide, e.g., fully embedding between the compact graphene oxide sheets.As a consequence, the formation of standalone carbon nanotubes over graphene sheets remains of high interestsHerein we use the facile flash light irradiation method to induce the reduction of graphene oxides in

Keywords： carbon nanotubes     graphene composite     flash irradiation method     reduced graphene oxide     contact angles    

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Title Author Date Type Operation

Mechanism of ethanol/water reverse separation through a functional graphene membrane: a molecular simulation

Journal Article

Hydrophilic/underwater superoleophobic graphene oxide membrane intercalated by TiO

Zhichao Wu, Chang Zhang, Kaiming Peng, Qiaoying Wang, Zhiwei Wang

Journal Article

Enhanced permeability and biofouling mitigation of forward osmosis membranes via grafting graphene quantum

Journal Article

Theoretical study on Janus graphene oxide membrane for water transport

Quan Liu, Mingqiang Chen, Yangyang Mao, Gongping Liu

Journal Article

The use of carbon nanomaterials in membrane distillation membranes: a review

Sebastian Leaper, Ahmed Abdel-Karim, Patricia Gorgojo

Journal Article

G-CNTs/PVDF mixed matrix membranes with improved antifouling properties and filtration performance

Xiaoyan Guo, Chunyu Li, Chenghao Li, Tingting Wei, Lin Tong, Huaiqi Shao, Qixing Zhou, Lan Wang, Yuan Liao

Journal Article

Role of oxygen vacancy inducer for graphene in graphene-containing anodes

Journal Article

Ammonia adsorption on graphene and graphene oxide: a first-principles study

Yue PENG, Junhua LI

Journal Article

Electroconductive RGO-MXene membranes with wettability-regulated channels: improved water permeability and electro-enhanced rejection performance

Journal Article

Mechanical properties and microstructure of multilayer graphene oxide cement mortar

Journal Article

Nitrogen-doped graphene approach to enhance the performance of a membraneless enzymatic biofuel cell

Alireza AHMADIAN YAZDI, Jie XU

Journal Article

Preparation and antibacterial property of Polyethersulfone Hybrid Ultrafiltration Membrane Containing

Zhu Junyong,Wang Qiongke,Xu Xin,Liu Chuochuo,Liu Jindun,Zhang Yatao

Journal Article

Effect of graphene and its derivatives on thermo-mechanical properties of phase change materials and

Journal Article

Electrocatalytic debromination of BDE-47 at palladized graphene electrode

Hongtao YU, Bin MA, Shuo CHEN, Qian ZHAO, Xie QUAN, Shahzad AFZAL

Journal Article

Synthesis of hydrophobic carbon nanotubes/reduced graphene oxide composite films by flash light irradiation

Kai Wang, Jinbo Pang, Liwei Li, Shengzhe Zhou, Yuhao Li, Tiezhu Zhang

Journal Article