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Graphene-like -BN supported polyhedral NiS/NiS nanocrystals with excellent photocatalytic performance

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1537-1549 doi: 10.1007/s11705-021-2094-2

Abstract: In this work, h-BN/NiS2/NiS composites were prepared via a simple solvothermal methodThe 7 wt-% h-BN/NiS2/NiS composites were characterized via a larger specific surfaceThe experimental result indicated that the photoreduction efficiency of the 7 wt-% h-BN/NiSgraphene-likeh-BN promoted transportation of photoinduced charges on the surface of the h-BN/NiS

Keywords： graphene-like h-BN     h-BN/NiS2/NiS composites     photocatalysis     Cr(VI) reduction    

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Photocatalytic water splitting of ternary graphene-like photocatalyst for the photocatalytic hydrogen

Yan Zhang, Yuyan Zhang, Xue Li, Xiaohan Zhao, Cosmos Anning, John Crittenden, Xianjun Lyu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1248-7

Abstract: present paper reports a facile method called the hydrothermal method, which was used to prepare ternary graphene-like) in 4 h.The experimental results showed that the ternary graphene-like photocatalyst has a strong photocatalyticThe optimal evolution H2 in 4 h conditions wasobtained as follows: The loading weight of Mo was 8.19Under the optimum conditions, the evolution of H2 in 4 h could reach 4.2030 mL.

Keywords： Water splitting     Visible light     Graphene-like photocatalyst     Response surface methodology    

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Bamboo-like -doped carbon nanotubes encapsulating M(Co, Fe)-Ni alloy for electrochemical production ofsyngas with potential-independent CO/H ratios

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 498-510 doi: 10.1007/s11705-021-2082-6

Abstract: The electrochemical conversion of CO2-H2O into CO-H2 using renewableLow-cost electrocatalysts to produce tunable syngas with a potential-independent CO/H2 ratioThe MxNi-NCNT samples exhibited bamboo-like nanotubular structures with a large specificConsequently, syngas with a wide range of CO/H2 ratios, from 0.5:1 to 3.4:1, can be producedMore importantly, stable CO/H2 ratios of 2:1 and 1.5:1, corresponding to the ratio to produce

Keywords： reduction of CO2     syngas     N-doped carbon nanotubes     encapsulated alloy nanoparticles     CO/H<    

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visible-photocatalytic hydrogen evolution and simultaneous organic pollutant degradation over an urchin-like

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1566-z

Abstract:

● An urchin-like OMS/ZIS composite was fabricated by a facile solvothermal

Keywords： Dual-functional photocatalysts     Oxygen-doped MoS2/ZnIn2S4     H2   

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Engineering the electronic and geometric structure of VO/BN@TiO heterostructure for efficient aerobic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 276-287 doi: 10.1007/s11705-022-2242-3

Abstract: Particle size governs the electronic and geometric structure of metal nanoparticles (NPs), shaping their catalytic performances in heterogeneous catalysis. However, precisely controlling the size of active metal NPs and thereafter their catalytic activities remain an affordable challenge in ultra-deep oxidative desulfurization (ODS) field. Herein, a series of highly-efficient VOx/boron nitride nanosheets (BNNS)@TiO2 heterostructures, therein, cetyltrimethylammonium bromide cationic surfactants serving as intercalation agent, BNNS and MXene as precursors, with various VOx NP sizes were designed and controllably constructed by a facile intercalation confinement strategy. The properties and structures of the prepared catalysts were systematically characterized by different technical methods, and their catalytic activities were investigated for aerobic ODS of dibenzothiophene (DBT). The results show that the size of VOx NPs and V5+/V4+ play decisive roles in the catalytic aerobic ODS of VOx/BNNS@TiO2 catalysts and that VOx/BNNS@TiO2-2 exhibits the highest ODS activity with 93.7% DBT conversion within 60 min under the reaction temperature of 130 °C and oxygen flow rate of 200 mL·min–1, which is due to its optimal VOx dispersion, excellent reducibility and abundant active species. Therefore, the finding here may contribute to the fundamental understanding of structure-activity in ultra-deep ODS and inspire the advancement of highly-efficient catalyst.

Keywords： oxidative desulfurization     boron nitride     vanadium     MXene     intercalation confinement    

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Degradation of Azo dye direct black BN based on adsorption and microwave-induced catalytic reaction

Shanshan Ding, Wen Huang, Shaogui Yang, Danjun Mao, Julong Yuan, Yuxuan Dai, Jijie Kong, Cheng Sun, Huan He, Shiyin Li, Limin Zhang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-1003-x

Abstract: novel microwave catalyst MgFe O -SiC was synthesized via sol-gel method, to remove azo dye Direct Black BN(DB BN) through adsorption and microwave-induced catalytic reaction.Microwave-induced catalytic degradation of DB BN, including adsorption behavior and its influencing factorsof DB BN on MgFe O -SiC were investigated.Besides, the consequence of adsorption isotherm depicted that the adsorption of DB BN was in accordance

Keywords： Adsorption     Microwave-induced catalytic degradation     Direct black BN     Degradation pathway    

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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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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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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 synergisticperformance, with an ethanol/water separation factor of 34 and a flux value of 69.3 kg∙m‒2∙hgraphene membranes and

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

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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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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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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 toconcentration of 100 ppm (TFC-100) exhibited excellent permeability performance (58.32 L·m–2·h–1) compared with TFC membrane (16.94 L·m–2·h–1).

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

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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 annealingall of the BDE-47 was removed in the debromination reaction on the Ti/Gr/Pd electrode at -0.5 V for 3 h,

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

Graphene-like -BN supported polyhedral NiS/NiS nanocrystals with excellent photocatalytic performance

Journal Article

Photocatalytic water splitting of ternary graphene-like photocatalyst for the photocatalytic hydrogen

Yan Zhang, Yuyan Zhang, Xue Li, Xiaohan Zhao, Cosmos Anning, John Crittenden, Xianjun Lyu

Journal Article

Bamboo-like -doped carbon nanotubes encapsulating M(Co, Fe)-Ni alloy for electrochemical production ofsyngas with potential-independent CO/H ratios

Journal Article

visible-photocatalytic hydrogen evolution and simultaneous organic pollutant degradation over an urchin-like

Journal Article

Engineering the electronic and geometric structure of VO/BN@TiO heterostructure for efficient aerobic

Journal Article

Degradation of Azo dye direct black BN based on adsorption and microwave-induced catalytic reaction

Shanshan Ding, Wen Huang, Shaogui Yang, Danjun Mao, Julong Yuan, Yuxuan Dai, Jijie Kong, Cheng Sun, Huan He, Shiyin Li, Limin Zhang

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

Mechanical properties and microstructure of multilayer graphene oxide cement mortar

Journal Article

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

Journal Article

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

Alireza AHMADIAN YAZDI, Jie XU

Journal Article

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

Journal Article

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

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