large scale production of edge selectively

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large scale production of edge selectively

2019-08-16T03:08:56+00:00
  • Large-Scale Production of Edge-Selectively Functionalized ...

    Large-Scale Production of Edge-Selectively Functionalized Graphene Nanoplatelets via Ball Milling and Their Use as Metal-Free Electrocatalysts for Oxygen Reduction Reaction. In-Yup Jeon † Hyun-Jung Choi † Sun-Min Jung † Jeong-Min Seo † Min-Jung Kim † Liming Dai † ‡ Jong-Beom Baek * † View Author Information † Ulsan National Institute of Science and Technology (UNIST ...

  • Cited by: 499
  • Large-Scale Production of Edge-Selectively Functionalized ...

    2012-09-15  Recently, we have developed an alternative approach to the large-scale production of edge-carboxylated GnPs (CGnP) without basal plane distortion via simple and ecofriendly ball milling of graphite in the presence of dry ice (solid state of carbon dioxide).19Furthermore, we have also demonstrated that the electrocatalytic activity of carbon nanotubes without

  • Large scale production of Edge-Functionalized Graphene ...

    2013-02-12  In-Yup Jeon, Hyun-Jung Choi, Sun-Min Jung, Jeong-Min Seo, Min-Jung Kim, Liming Dai, Jong-Beom Baek. Large-Scale Production of Edge-Selectively Functionalized Graphene Nanoplatelets via Ball Milling...

  • Large scale production of edge-functionalized graphene ...

    Researchers at Ulsan National Institute of Science and Technology (UNIST) have come up with a simple, but efficient and eco-friendly alternative which sees the production of edge-selectively...

  • Large-scale production of edge-selectively functionalized ...

    2013-01-30  Large-scale production of edge-selectively functionalized graphene nanoplatelets via ball milling and their use as metal-free electrocatalysts for oxygen reduction reaction. Jeon IY (1), Choi HJ, Jung SM, Seo JM, Kim MJ, Dai L, Baek JB.

  • Cited by: 499
  • Large-Scale Production of Edge-Selectively Functionalized ...

    Electronic Supporting Information for: Large-Scale Production of Edge-Selectively Functionalized Graphene Nanoplatelets viaBall-Milling and Their Use as Metal-Free Electrocatalysts for Oxygen Reduction Reaction In-Yup Jeon,‡,1Hyun-Jung Choi,‡,1Sun-Min Jung,1Jeong-Min Seo,1Min-Jung Kim,1 Liming Dai1,2 and Jong-Beom Baek*,1

  • Large-scale production of edge-selectively functionalized ...

    Edge-selectively functionalized graphene nanoplatelets (EFGnPs) with different functional groups were efficiently prepared simply by dry ball milling graphite in the presence of hydrogen, carbon dioxide, sulfur trioxide, or carbon dioxide/sulfur trioxide mixture. Upon exposure to air moisture, the resultant hydrogen- (HGnP), carboxylic acid- (CGnP), sulfonic acid- (SGnP), and carboxylic acid ...

  • Large scale production of edge-functionalized graphene ...

    2013-02-13  Large scale production of edge-functionalized graphene nanoplatelets (Nanowerk News) ... ("Large-Scale Production of Edge-Selectively Functionalized Graphene Nanoplatelets via Ball Milling and Their Use as Metal-Free Electrocatalysts for Oxygen Reduction Reaction"). The dry ball mill is effectively a type of grinder, traditionally use to grind ores, chemicals and other raw materials into fine ...

  • Large scale production of selectively and uniformly ...

    Large scale production of selectively and uniformly labeled deoxyribonucleosides triphosphates, useful for determining structure, metabolism and biochemical research (PAT - FR2779446) ' ' BAILLON JEAN, ' ' GENET ROGER, ' ' BOULAIN JEAN CLAUDE, ' ' MENEZ ANDRE Patent: Application, First Publication - France. Application: FR19980007238 on 1998-06-09. Publication: 1999-12-10. Abstract. Production ...

  • Large-Scale and Highly Selective CO2 Electrocatalytic ...

    2019-01-16  In conclusion, a highly efficient transition metal-based SAC was synthesized via an economic and scalable protocol, and applied in CO 2 electrolysis for large-scale production of CO. The results demonstrate that it is promising to replace noble metal catalysts, such as Au or Ag, with earth-abundant materials with remarkable CO evolution performance approaching practical expectations,

  • Cited by: 133
  • Selective electrochemical production of hydrogen peroxide ...

    Our calculations showed that the edge of 2H MoTe 2 had ΔG O * = 2.33 eV, which, albeit still not as positive as PtHg 4, was sufficiently large to render MoTe 2 H 2 O 2-selective. It is also worth mentioning that MoS 2 relatively favored 4e-ORR, and MoSe 2 relatively favored 2e-ORR even though both of them had negligible activities.

  • Large scale production of selectively and uniformly ...

    Large scale production of selectively and uniformly labeled deoxyribonucleosides triphosphates, useful for determining structure, metabolism and biochemical research (PAT - FR2779446) ' ' BAILLON JEAN, ' ' GENET ROGER, ' ' BOULAIN JEAN CLAUDE, ' ' MENEZ ANDRE Patent: Application, First Publication - France. Application: FR19980007238 on 1998-06-09. Publication: 1999-12-10. Abstract. Production ...

  • Large-Scale and Highly Selective CO2 Electrocatalytic ...

    2019-01-16  In conclusion, a highly efficient transition metal-based SAC was synthesized via an economic and scalable protocol, and applied in CO 2 electrolysis for large-scale production of CO. The results demonstrate that it is promising to replace noble metal catalysts, such as Au or Ag, with earth-abundant materials with remarkable CO evolution performance approaching practical expectations,

  • Large-Scale and Highly Selective CO2 Electrocatalytic ...

    Large-Scale and Highly Selective CO2 Electrocatalytic Reduction on Nickel Single-Atom Catalyst TingtingZheng,1,2 KunJiang,1 NaTa,3 YongfengHu,4 JieZeng,2 JingyueLiu,3 andHaotianWang1,5,6,* SUMMARY The scaling up of electrocatalytic CO 2 reduction for practical applications is still hinderedbyafewchallenges:lowselectivity,smallcurrentdensitytomaintaina reasonable selectivity, and

  • Edge selective gas detection using Langmuir films of ...

    Edge selective gas detection using Langmuir films of graphene platelets Tools. Tools Nufer ... Recent advances in large-scale production of graphene have led to the availability of solution processable platelets at the commercial scale. Langmuir-Schaefer (L-S) deposition is a scalable process for forming a percolating film of graphene platelets which can be used for electronic gas sensing ...

  • Fabrication Technology and the Challenges of Large-Scale ...

    Suggested Citation:"Fabrication Technology and the Challenges of Large-Scale Production." National Academy of Engineering. 1997. Frontiers of Engineering: Reports on Leading Edge Engineering from the 1996 NAE Symposium on Frontiers of Engineering. Washington, DC: The National Academies Press. doi: 10.17226/5576. ×

  • Enhanced electrical conductivity of polymer nanocomposite ...

    2020-03-22  Conventionally, polymer composite processing based on melt-blending is widely used for large-scale production of filler dispersed materials, which is relatively ineffective in dispersion of the nano-sized fillers. This presents a challenge for maximizing the advantageous properties of graphene nanocomposites, due to poorly dispersed or aggregated fillers . As a solution for effective filler ...

  • Implementation of selective diffusion in large-scale ...

    This paper describes the implementation of high efficiency features in large-scale production of multi-crystalline silicon (mc-Si) solar cells. We developed novel techniques to form selective diffusion and surface texture in mc-Si solar cell fabrication. These techniques are successfully implemented in production line without incurring much disproportionate increase in process complexity and ...

  • Edge-Selective Gas Detection Using Langmuir Films of ...

    2018-06-27  Edge-Selective Gas Detection Using Langmuir Films of Graphene Platelets. Nufer S(1)(2), Large MJ(2), King AAK(2), Ogilvie SP(2), Brunton A(1), Dalton AB(2). Author information: (1)M-Solv Ltd , Oxonian Park, Langford Locks , Kidlington, Oxford OX5 1FP , U.K. (2)Department of Physics and Astronomy , University of Sussex , Brighton BN1 9RH , U.K. Recent advances in the large-scale production

  • Feeding Frenzy: Selectively Materializing Users' Event Feeds

    for large scale follows applications. We have implemented these techniques on top of PNUTS [9], a distributed, web-scale database system used in production at Yahoo!. In par-ticular, we make the following contributions: A formal de nition of the follows problem as a partial view materialization problem, identifying properties that must be preserved in follows feeds (Section 2). An analysis of ...

  • Edge selective gas detection using Langmuir films of ...

    Edge selective gas detection using Langmuir films of graphene platelets Tools. Tools Nufer ... Recent advances in large-scale production of graphene have led to the availability of solution processable platelets at the commercial scale. Langmuir-Schaefer (L-S) deposition is a scalable process for forming a percolating film of graphene platelets which can be used for electronic gas sensing ...

  • Edge-Selective Gas Detection Using Langmuir Films of ...

    2018-06-27  Edge-Selective Gas Detection Using Langmuir Films of Graphene Platelets. Nufer S(1)(2), Large MJ(2), King AAK(2), Ogilvie SP(2), Brunton A(1), Dalton AB(2). Author information: (1)M-Solv Ltd , Oxonian Park, Langford Locks , Kidlington, Oxford OX5 1FP , U.K. (2)Department of Physics and Astronomy , University of Sussex , Brighton BN1 9RH , U.K. Recent advances in the large-scale production

  • Ultrastable atomic copper nanosheets for selective ...

    INTRODUCTION. Syngas, as a mixture of primarily hydrogen and carbon monoxide, is an extremely important raw material for many large-scale chemical industries such as production of hydrogen, ammonia, and hydrocarbon fuels (1–4).Currently, syngas is mainly produced from hydrocarbon feedstock (for example, natural gas, coal, biomass) through conventional processes, such as steam reforming,

  • Genomics for Developing the first Canadian production ...

    The oyster industry in Atlantic Canada is expanding rapidly and this growth cannot be sustained by relying solely on wild-caught oyster spat, a risky strategy due to large annual variations in recruitment. The incorporation of a rigorous selective breeding program for the Eastern oyster, which would increase the profitability of oyster farms, is constrained by the lack of

  • Implementation of selective diffusion in large-scale ...

    This paper describes the implementation of high efficiency features in large-scale production of multi-crystalline silicon (mc-Si) solar cells. We developed novel techniques to form selective diffusion and surface texture in mc-Si solar cell fabrication. These techniques are successfully implemented in production line without incurring much disproportionate increase in process complexity and ...

  • Large-scale production of HIV-1 protease from Escherichia ...

    Large-scale production of HIV-1 protease from Escherichia coli using selective extraction and membrane fractionation. Gustafson ME 1, ... The purification process involved the selective extraction of HIV-1 protease from E. coli inclusion bodies with 50% acetic acid and fractional diafiltration to remove impurities and low-molecular-weight protease-related fragments. No chromatographic steps ...

  • Molybdenum telluride nanosheets enable selective ...

    Despite their relatively high mass activity and selectivity in acids, these precious metal alloys are unlikely to be used on a large scale due to their prohibitive costs and toxicity (because of...

  • The safer and scalable mechanochemical synthesis of edge ...

    Halogen functionalization of the edges of the graphene sheets can improve processability, add new properties, and enhance its interactions with other materials. Through functionalization, improved...

  • (PDF) Large-Scale Production of HIV1 Protease from ...

    Human immunodeficiency virus type 1 (HIV-1) protease was expressed in Escherichia coli as a fusion protein with the N-terminal sequence of IGF-2. The protein accumulated in inclusion bodies as a 40:60 mixture of unprocessed fusion protein and

  • Selective suspension of single layer graphene ...

    2014-06-25  This paper presents the first report of the successful ball-milling exfoliation of graphitic filaments (GANF® carbon nanofibres) into single layer graphene. The addition of small amounts of solvent during the milling process makes it possible to enhance the intercalation of the exfoliating agent (melamine) between the graphene layers, thus promoting exceptional exfoliation.

  • Selective suspension of single layer graphene ...

    2014-06-25  This paper presents the first report of the successful ball-milling exfoliation of graphitic filaments (GANF® carbon nanofibres) into single layer graphene. The addition of small amounts of solvent during the milling process makes it possible to enhance the intercalation of the exfoliating agent (melamine) between the graphene layers, thus promoting exceptional exfoliation.

  • Large-Area Graphene Films by Simple Solution Casting of ...

    We report edge-selective functionalization of graphite (EFG) for the production of large-area uniform graphene films by simply solution-casting EFG dispersions in dichloromethane on silicon oxide ...

  • Implementation of selective diffusion in large-scale ...

    This paper describes the implementation of high efficiency features in large-scale production of multi-crystalline silicon (mc-Si) solar cells. We developed novel techniques to form selective diffusion and surface texture in mc-Si solar cell fabrication. These techniques are successfully implemented in production line without incurring much disproportionate increase in process complexity and ...

  • Researchers develop a yeast-based platform to boost ...

    2020-08-27  Using cutting-edge synthetic biology approaches, Martin and his colleagues in Berkeley, California were able to produce a large amount of benzylisoquinoline alkaloid (BIA) to synthesize an array of natural and new-to-nature chemical structures in a yeast-based platform.

  • Implementation of selective diffusion in large-scale ...

    Implementation of selective diffusion in large-scale production of mc-Si solar cells Hua Li , Yichuan Wang , Jingjia Ji , Rulong Chen , Yanqi Xu , Aijun Shao , Caixia Tong , Zhengrong Shi

  • The safer and scalable mechanochemical synthesis of edge ...

    Halogen functionalization of the edges of the graphene sheets can improve processability, add new properties, and enhance its interactions with other materials. Through functionalization, improved...

  • Fabrication of Chemical Graphene Nanoribbons via Edge ...

    via Edge-Selective Covalent Modifi cation Lei Liao , Qin Xie , Xuefeng Guo , and Zhongfan Liu * L. Liao, Dr. Q. Xie, Prof. X. Guo, Prof. Z. Liu ... plasma etching is popular for the industry-amenable large-scale production. However, because of the disordered edges induced by the oxygen etching, the conductivity of GNRs obtained from lithographic method is usually not high enough, [ 15 ] which ...

  • Scale-Up of a Plasmid DNA Purification Process ...

    2010-12-01  At the same time, we scaled another plasmid that had not been previously assessed at the 5-L scale to a 50-L fermentation scale CGMP manufacture (plasmid C, 8.8 kb transfection vector). This is a relatively large plasmid for use in viral production. During fermentation development, we observed high levels of open-circle plasmids (15–20%). The cause of this is not fully understood and could ...

  • End-Use Production Parts On Demand Stratasys Direct ...

    Our 3D printing and advanced manufacturing services fit perfectly for one-off and low volume production of robust parts. When you’re ready to move into large, serialized manufacturing, we have the technology and internal controls to handle full-scale production of consistent parts with additive or conventional technologies. Industries We Serve

  • Feeding Frenzy: Selectively Materializing Users' Event Feeds

    for large scale follows applications. We have implemented these techniques on top of PNUTS [9], a distributed, web-scale database system used in production at Yahoo!. In par-ticular, we make the following contributions: A formal de nition of the follows problem as a partial view materialization problem, identifying properties that must be preserved in follows feeds (Section 2). An analysis of ...