Cofe,
... Frontier' ('Flying Colours or Crossing the Frontier'), by - Cofe.
0000 - Gale Group | NCCO British Theatre
F. Mohamed, Manal M. Ahmad, Talaat A. Hameed,
... This work aims to develop a multifunctional PMMA/CoFe 2 O 4 polymeric film of low loss ... terahertz shielding effectiveness. Pure cobalt ferrite magnetic nanoparticles (CoFe 2 O 4 MNPs) were prepared by a ... X‐ray diffraction (XRD) evidenced the formation of CoFe 2 O 4 MNPs in the cubic spinal structure. The FTIR confirmed the interaction of CoFe 2 O 4 MNPs with PMMA chains. Compared to the pure PMMA, the PMMA/CoFe 2 O 4 nanocomposites were more thermally stable, ... DSC). The micrograph images by FESEM unraveled that CoFe 2 O 4 MNPs have formed in different ...
Tópico(s): Multiferroics and related materials
2023 - Wiley | Polymers for Advanced Technologies
Giles Smith, Andrew Robson, Alyn Shipton, Christina Hardyment, Jon Ashworth, R. N. Noble, Angela Kilmartin, Joanna Hunter, Robert Cole, David Cox, Andrew Pierce, DJM, Frances Gibb Legal Editor, Gary Duncan, John Doughty, Peter Lansley, Robert Fearnley, Richard Hobson, Tamora Langley, Philip Howard, Ian Cobain, Stewart Tendler and Daniel McGrory, David Chater, Tom Baldwin, Tony Halpin and Rosemary Bennett, James Bone, Penny Wark, Nic Hopkins, Alexandra Frean Social Affairs Correspondent, Sheila Johnston, Graham Breeze, Gillian Harris Scotland Correspondent, S. M. Hardy, Richard Cleroux, Wendy Ide, James Hider, Geoff Brown, Gerald Davies, Jim Dixon, Alexander Osborne, Dominic Clifford, Joe Joseph, Peter Brown, Sam Lister, David Sharrock, Antonia Senior, Tom Baldwin and Greg Hurst, Natalie Bennett, Pat Gibson, David McVay, Kevin Burdekin, Valerie Elliott, Gordon Johnson, Stewart Tendler Crime Correspondent, Jennai Cox Fitness Editor, Dominic Walsh, James Doran Wall Street Correspondent, Joe Morgan, Jill Dupleix, Daniel Finkelstein, Jonathan Gornall, Nicholas Wapshott and Sam Lister, Robin Young, Alan Hamilton, Richard Miles and Antonia Senior, Richard Larner, Matt Dickinson and John Goodbody, Anatole Kaletsky, Valerie Elliott Consumer Editor, Roland Watson, Jonathan Richards, Matt Dickinson Chief Football Correspondent, Mark Souster and David Hands, Chris Horton, Patience Wheatcroft Business Editor, Hugo Rifkind, Alison Davis, Angela Jameson, Geoffrey Silman, Daniel McGrory, Oliver Kay, Irene Zoech and Sam Lister, Michael Theodoulou, Lesley Close, Rick Broadbent, Jill Sherman Whitehall Editor, Sam Coates, Mark Henderson Science Correspondent, Holly Finn, Ann Treneman, Rob Wright, Elaine Monaghan, Neil Harman Tennis Correspondent, Raymond Keene, Ian Evans, Adam Sage, Christine Buckley, Lewis Smith, Matthew Pryor, Stephen Lambert, Richard Miles Investment Editor, Philip Whiteley, Charles Elphicke, Christine Buckley Industrial Editor, Charles Wylie, Beryl Dixon, Greg Hurst Parliamentary Correspondent, Chris Campling, Bronwen Maddox, Kevin Mahony, Russell Hotten, Cathy Harris, Christopher Martin-Jenkins Chief Cricket Correspondent, Roger Boyes, Peter Dixon, Nick Hasell, Sam Wong, Tom Dart, Adam Fresco, Hugo Robson, Robert J. Taylor, Anna Frame, John Goodbody, Dominic Kennedy, Geoffrey White, Jonathan Clayton, Melissa Kite Political Correspondent, Christopher Walker, Ronald Eyres, Mel Webb, David Madel, Anjana Ahuja, Chris McGrath, George Caulkin, Ingrid Mansell, Alan Lee, Peter Riddell, Tony Dawe, Richard Beeston Diplomatic Editor, Richard Miles, Lea Paterson, Michael Irwin, Gary Duncan Economics Correspondent, Martin Waller, Chris Ayres, Christopher Irvine, Carl Mortished International Business Editor, Nigel Hawkes Health Editor, Sarah Butler, Benedict Nightingale, Stephen Dalton, Dr Thomas Stuttaford, Hugh Thompson, Leo Lewis, Neil Hunt, James Christopher, Tony Halpin, Gordon Brown, Abigail Rayner, Michael Evans, Randy Cohen, J. Clarkin, Peter J. Smith, Jenny Davey, Richard Beeston, Diplomatic Editor, Patience Wheatcroft, Nick Meo, Joe Bolger, Lisa Verrico,
... Academy Blur Brixton Academy Jazz Pharoah Sanders Jazz Cofé, Ni Business should thrive in the groves of ...
2003 - Gale Group | TDA
Hao Ding, Shanhai Zhao, Xiaojuan Wang, Qian Cheng, Tian Zou, Xiaoqin Li, Huiyu Li, Feng Jiang, Yongsheng Liu, Haijing Cao, Zebo Fang, Yanyan Zhu,
... is still fraught with difficulties. Herein, we prepared CoFe Prussian blue-like (CoFe-PBA) nanocubes by a simple co-deposition method and obtained CoFe-PBA@PPy by polymerically assembling CoFe-PBA coated with polypyrrole (PPy), and then successfully prepared (CoFe)Se2 @NC nanocomposites with nitrogen-doped carbon (NC) coated with (CoFe)Se2 by one-step selenization in nitrogen at ... morphologies were investigated in depth. This carefully prepared (CoFe)Se2 @NC nanocomposite with an open skeleton structure ... The outcomes demonstrated the specific capacitance of the (CoFe)Se2 @NC electrode material could reach 867 F/ ...
Tópico(s): Advancements in Battery Materials
2023 - Elsevier BV | Colloids and Surfaces A Physicochemical and Engineering Aspects
... Letter. From A. A. Breueman. To Edward D. Cofe. Agricultrual College of Pennsylvania.
0000 - Gale Group | NCCO-STM 1of2
Tao Zhao, Dazhong Zhong, Genyan Hao, Qiang Zhao,
... Herein, we develop a green strategy to synthesize CoFe–MOF@Pa via a simple and controllable phytic ... etching strategy can break the M−O in CoFe–MOF to create vacancies and introduce hydrophilic groups on the surface of CoFe–MOF to enhance the hydrophilicity. The obtained porous CoFe–MOF@Pa with vacancies not only creates more ... the fast electrochemical reactions. As a result, the CoFe–MOF@Pa shows excellent OER performance (203 mV ... Tafel slope (57.1 mV dec-1). Furthermore, CoFe–MOF@Pa&CoFe–MOF@Pa for water splitting, ...
Tópico(s): Advanced Photocatalysis Techniques
2022 - Elsevier BV | Applied Surface Science
... Letter. From Wm. Y. Brigham. To Edward D. Cofe. Boston.
0000 - Gale Group | NCCO-STM 1of2
Jiayi Wang, Shuhang Hu, Qi Tang, Jian Xu, Nianxi Xu, Shansheng Yu, Xiaoyi Wang, Hongwei Tian,
... excellent absorption ability. In this study, SiC and CoFe 2 O 4 were combined on reduced graphene ... rGO and SiC nanoparticles and varying amounts of CoFe 2 O 4 nanoparticles. A facile one-pot ... technique was employed to prepare four rGO/SiC/CoFe 2 O 4 composite samples with varied CoFe 2 O 4 concentrations. The electromagnetic properties of rGO/SiC/CoFe 2 O 4 composites were affected by CoFe 2 O 4 content, and CoFe 2 O 4 content was varied to change the electromagnetic properties of composites. The rGO/SiC/CoFe 2 O 4 composite samples were prepared at ...
Tópico(s): Aluminum Alloys Composites Properties
2022 - Elsevier BV | Ceramics International
Lloyd, Ernest Newman, Frederick Grundy, A. Podmore, A. H. Peppin, E. N., Eric G. Underwood, Laurence Cowen, Alfred Noyes, Henry Sutton Ludlow, C. Tomlins, Yarborouge, Frank Rutter, Edmund Gosse, Sydney W. Carroll, Gerald E. Fox, D. R. Gent, Edward P. Gibraltar, R. H. B., H. M. W., Gertrude Hartly, Roland Atkinson, T. P. O'Connor M. P., Owen, W. H. Cooper, L. Van Vliet, H. L. R., Arthur Rone, H. Prosser Chanter, William Farren, Hannen Swaffer, Hon. Oliver Stanley, E. Graham Snow, Gerald Biss, M. A., Russell Stannard, R. J. Barrett Financial Editor, Harold Cox,
... Multiple Display Advertising Items Hope Brothers Ltd. Williamson & Cofe Ltd. Wood, Russell & Co. Draffen & Jarvie, Limited From ...
1922 - Gale Group | Sunday Times HA GDA
Shuang’an Liu, Wankun Qi, Ying Cao, Chengyang Liang, Shitong Geng, Haipeng Guo, Ying Liu, Yanhong Luo, Wenming Zhang, Ling Li,
... at present. Herein, based on the Kirkendall effect, CoFe 2 O 4 @C nanoparticles with core-shell ... of quasi-sol-gel method. The size of CoFe 2 O 4 @C nanoparticles is homogenized without ... With the optimized film thickness (12 µm) of CoFe 2 O 4 @C, an excellent photoelectric conversion ... method, the carbon material with good conductivity and CoFe 2 O 4 with excellent catalytic activity are tactfully combined to form stabile CoFe 2 O 4 @C nanoparticles with core-shell ... metal oxide ratio and the film thickness of CoFe 2 O 4 @C-based CE, which is ...
Tópico(s): Advanced battery technologies research
2022 - Elsevier BV | Journal of Alloys and Compounds
Mrs. L. Bristow, Jason, K. Clark, Mrs. E. Young, Alistair Maclean, R. M. Meunier, W. M. Nimmons, Tom Driberg, H. R., J. Evan-james (Major), James K. Annand, Leonard Cobbs, (Mrs.) Florence S. Dipper, Hilde Marchant, (Mrs.) A. Glasgow, Tervor Philpott, A. G. M. Baily, (Mrs.) Freda Bolton, D. L. Parker, Roger Diplock Secretary, (Mrs.) M. Alderson, Edwin R. E. Adams, Hugh Sutherland, (Miss) H. Stansfield, Robert Muller, L. C. Sergeant, F. W. Gumby, (Mrs.) Barbara Hughes-onslow, Peter Noble, Gilbert Harding,
... N. S. Norwich Union The £Sd of the Cofe Senior Service A Tale of Two 'Varsities Photographed ...
1955 - Gale Group | Picture Post
Fengchao Sun, Xingzhao Wang, Zihan You, Hanhan Xia, Shutao Wang, Cuiping Jia, Yan Zhou, Jun Zhang,
• Fe 3 O 4 @Au@CoFe-LDH is prepared through a spontaneous galvanic displacement reaction. • In Fe 3 O 4 @Au@CoFe-LDH, the metallic Au intercalates between Fe 3 ... the sandwich structure. • Fe 3 O 4 @Au@CoFe-LDH possesses high sensitivity of 6342 μA mM − ... treatment of diabetes. Fe 3 O 4 @Au@CoFe-LDH is prepared through a spontaneous galvanic displacement ... successful formation of Fe 3 O 4 @Au@CoFe-LDH electrocatalyst, with the Au intercalating between Fe ... detection indicate that Fe 3 O 4 @Au@CoFe-LDH possesses high sensitivity of 6342 μA mM − ...
Tópico(s): Conducting polymers and applications
2022 - Elsevier BV | Journal of Material Science and Technology
Srikumar Sen, Boxing Correspondent, Ian McGeoch, Sara Yelland, Jon Ashworth, Freud, Nick Nuttall Environment Correspondent, Nick Nuttall, Jeremy Laurance, Richard Ford, Home Correspondent, John Field Evans, Simon Barnes, Alison Roberts Arts Reporter, Bill Frost, Tim Judah, Ronald Faux, Janet Bush, Economics Correspondent, Ivo Tennant, Angela MacKay, Ross Tieman, Industrial Correspondent, Philip Howard, Hilary Finch, Jeremy Kingston, R. W. Dowdall, Lynne Truss, Carl Mortished, Kevin Eason, Motoring Correspondent, James Goss, Kevin Eason, Colin Narbrough, Geoff Brown, Philip Bassett Industrial Editor, Joe Joseph, Bernard Levin, K. Finch, Martin Fletcher, Stuart Jones, Chaim Bermant, Norman Hammond, Archaeology Correspondent, Martin Flanagan, Peter Ball, Nicholas Strauss, Richard Evans, Racing Correspondent, Roger Coombs, Alison Roberts, Arts Reporter, Ruth Gledhill Religion Correspondent, Matthew May, Peter Waymark, News in Brief, Alan Hamilton, Nicholas Watt, Michael Clark, E. G. Lester, John Young, Michael Hamlyn, Eve-Ann Prentice Diplomatic Correspondent, David Guest, Andrew Lockley (Director), Joel Brand, Sidney Brichto (Senior Vice-President), Susan Gilchrist, Richard Cork, John Woodcock, Michael Theodoulou, Geoffrey Wheeler, David Toop, Wolfgang Münchau, Raymond Keene, Jonathan Prynn, Peter Davalle, Alan Lee, Cricket Correspondent, John Russell Taylor, Raymond Keene, Chess Correspondent, Frances Gibb, Legal Correspondent, Alix Ramsay, Peter Hebblethwaite, Jonathan Braude, Tim Jones Transport Correspondent, Alice Thomson, Jonathan Prynn and Nicholas Wood, Barry Pickthall, D. N. Baron, Nicholas Wood, Nicholas Wood, Chief Political Correspondent, Martin Waller, Deputy City Editor, Joanna Pitman, Ross Tieman Industrial Correspondent, Adrian Deevoy, James Pringle, Charles Bremner and our Foreign Staff, Joel Brand and our Foreign Staff, Douglas Hurd, Craig Lord, Mel Webb, Jonathan Holt, Boyd-Carpenter, Peter Riddell, Ben MacIntyre, John Wilson, Richard Beeston, Graham Searjeant, Kate Bassett, Chris Hughes (General Manager), Frances Gibb Legal Correspondent, Margaret Casely-Hayford, David Cox, Giles Quarme, David Powell, Jack Bailey, Patricia Tehan Banking Correspondent, Michael Henderson, Anne McElvoy, Geoffrey Lee Williams, John Phillips, Suzanne Sabljic, Colin Campbell, Martin Luce, A. Kounine, A. J. L. Bennett, Michael Harman, Christopher Irvine, Sarah Bagnall Insurance Correspondent,
Pope's ruling 'will stem CofE exodus' Encyclical row spreads to Anglicans The papal encyclical may undermine efforts by Cardinal Basil Hume to make it easier for ...
1993 - Gale Group | TDA
Edi Suharyadi, Afifah Muzakki, Nurul Imani Istiqomah, Deska Lismawenning Puspitarum, Budi Purnama, Dede Djuhana,
The reusability of CoFe 2 O 4 @ZnO core–shell nanoparticles (NPs) for the photocatalytic degradation of methylene blue (MB) under UV radiation was successfully investigated. CoFe 2 O 4 @ZnO NPs with various CoFe 2 O 4 –to–ZnO concentration ratios were ... 389, and 410–429 cm −1 , respectively. The CoFe 2 O 4 @ZnO NPs had a saturation ... spectra showed that the absorbance peak of the CoFe 2 O 4 @ZnO NPs broadened and shifted ... right (higher wavelength) with increasing ZnO concentration. The CoFe 2 O 4 @ZnO NPs with higher ZnO ...
Tópico(s): Advanced Photocatalysis Techniques
2022 - Institute of Physics | ECS Journal of Solid State Science and Technology
Edinburgh Courant, Mr Justice Keating, Warder, G. C. Lewis,
... Intelligence Coroners Inquests The Maharajah of Puitialah, Lady Cofe, Sir Matthew Blakistonm, General Sir Philip Bainbrigge, K. ...
1862 - Gale Group | Sunday Times HA GDA
Lan Huong Nguyen, Lê Văn Sơn, Luu Dung Tran, Nam Van Thai, Ho Thi Ngoc Tram, Bùi Quang Minh, Van‐Huy Nguyen,
... nanoadsorbent was successfully developed from biopolymer compositing with CoFe 2 O 4 . • As(III) adsorption capacity on CoFe 2 O 4 @DFP-BP5 reached 1922.7 ... g. • Key mechanism of As(III) adsorption on CoFe 2 O 4 @DFP-BP5 was inner-sphere complexation. • Adsorption process of arsenic ions onto CoFe 2 O 4 @DFP-BP5 was highly reversible. ... low-cost adsorbent from compositing between magnetic nanoparticle (CoFe 2 O 4 ) and dragon fruit peel-derived ... operational parameters on As(III) adsorption by nanocomposite (CoFe 2 O 4 @DFP-BP). With mapping analysis, ...
Tópico(s): Iron oxide chemistry and applications
2022 - Elsevier BV | Journal of Industrial and Engineering Chemistry
Yu Jun Yang, Chenjia Jiang, Songyang Chen, Ningya Wang, Panxiang Yang, Mengxiao Liu, Yao Cheng,
... 3 . • Fe@Ni foam was hydrothermally converted into CoFe 2 O 4 /Ni foam in solution of Co 2+ . • Hierarchical flower-like CoFe 2 O 4 nanoflake arrays exhibits excellent electrochemical properties. • ASC assembled with CoFe 2 O 4 /Ni foam and AC demonstrates capacitive performances. Flower-like cobalt ferrite (CoFe 2 O 4 ) nanflake arrays with high mass- ... an alkaline Fe 2 O 3 suspension. Then, CoFe 2 O 4 flower-like CoFe 2 O 4 nanoflake arrays on Ni foam (CoFe 2 O 4 /Ni foam) was produced by ... solution containing low concentration of copper sulfate. The CoFe 2 O 4 /Ni foam was characterized with ...
Tópico(s): Advanced battery technologies research
2022 - Elsevier BV | Journal of Electroanalytical Chemistry
Fangyuan Diao, Mikkel Rykær Kraglund, Huili Cao, Xiaomei Yan, Pei Liu, Christian Engelbrekt, Xinxin Xiao,
... by NH4+ in the interstitial spaces of the CoFe PBA by a hot aqueous urea solution, which ... resolution transmission electron microscopy (HRTEM) images reveal that CoFe alloy nanoparticles grew on the crystalline cubes of CoFe PBA with K+, while CoFe PBA cubes with NH4+ become amorphous. Besides, the derivative of CoFe PBA with NH4+ (Ar-U-CoFe PBA) performs better than the derivative of CoFe PBA with K+ (Ar-CoFe PBA) in OER, registering a lower overpotential of ... A single-cell alkaline electrolyzer, using Ar-U-CoFe PBA and Pt/C for the anodic and ...
Tópico(s): Fuel Cells and Related Materials
2022 - Elsevier BV | Journal of Energy Chemistry
Deska Lismawenning Puspitarum, Nurul Imani Istiqomah, Rivaldo Marsel Tumbelaka, Ahmad Kusumaatmaja, Daiki Oshima, Takeshi Kato, Edi Suharyadi,
... In this study, combination of ferromagnetic and semiconductor CoFe 2 O 4 /TiO 2 nanocomposites was synthesised ... nanomaterial exhibiting high photocatalytic activity. Nanocomposites with different CoFe 2 O 4 /TiO 2 molar ratios were ... the cubic spinel ferrite and anatase phases of CoFe 2 O 4 and TiO 2 , respectively. The crystallite sizes of CoFe 2 O 4 , CoFe 2 O 4 /TiO 2 , and CoFe 2 O 4 /3TiO 2 are 7.2 ... nm, respectively. The magnetic hysteresis curve showed that CoFe 2 O 4 /TiO 2 had a high ... of 200 Oe. The optical bandgap energy for CoFe 2 O 4 /TiO 2 was in the ...
Tópico(s): Copper-based nanomaterials and applications
2022 - IOP Publishing | Advances in Natural Sciences Nanoscience and Nanotechnology
Xiaobin Liu, Huimin Mao, Guishan Liu, Qingping Yu, Siqi Wu, Bin Li, Guizhong Zhou, Zhenjiang Li, Lei Wang,
Using Cu-CoFe/Co/NC as trifunctional electrocatalysts in alkaline seawater, an overall hydrazine splitting (OHzS) unit is self-powered by ... cell (DHzFC), demonstrating the great potential of Cu-CoFe/Co/NC as trifunctional electrocatalysts toward energy storage and conversion devices. • Cu-doped CoFe/Co encapsulated by N-doped carbon (Cu-CoFe/Co/NC) is synthesized. • The electronic structure and ... faces huge challenges. In this study, Cu-doped CoFe/Co encapsulated by N-doped carbon (Cu-CoFe/Co/NC) is synthesized via chemical precipitation followed ...
Tópico(s): Advanced battery technologies research
2022 - Elsevier BV | Chemical Engineering Journal
Anand Kumar Vishwakarma, Bhim Sen Yadav, Jaspreet Singh, Shivesh Sharma, Naresh Kumar,
... the synthesis of Polyaniline (PANI) coated cobalt ferrite (CoFe 2 O 4 ) [CoFe 2 O 4 /PANI] nanocomposite and study their ... E. coli, P. aeruginosa) bacterial strains. PANI coated CoFe 2 O 4 nanocomposites have been synthesized by ... situ chemical oxidative polymerization of aniline monomer on CoFe 2 O 4 nanoparticles, which were synthesized by ... method. The X-ray diffraction of as-synthesized CoFe 2 O 4 nanoparticles and CoFe 2 O 4 /PANI nanocomposite revealed the polycrystalline ... Transmission electron microscope images affirm the incorporation of CoFe 2 O 4 nanoparticles of 5 nm average ...
Tópico(s): Advanced Photocatalysis Techniques
2022 - Elsevier BV | Materials Today Communications
R. Rajangam, N. Pugazhenthiran, S. Krishna, R.V. Mangalaraja, Héctor Váldes, Arvind Ravikumar, Panneerselvam Sathishkumar,
... assisted technique was utilized in the synthesis of CoFe 2 O 4 , GaOOH and α-Ga 2 O 3 nanorods. CoFe 2 O 4 was tethered successfully at the ... 2 O 3 nanorods to form heterojunction nanocatalysts (CoFe 2 O 4 /GaOOH; CoFe 2 O 4 /Ga 2 O 3 ). The ... eV) are reduced in the formed heterojunction nanocatalysts CoFe 2 O 4 /GaOOH (E g =2.56 eV) and CoFe 2 O 4 /Ga 2 O 3 (E ... the lattice diffusion of Co and Fe of CoFe 2 O 4 into the matrix of α- ... of solar light irradiation in the presence of CoFe 2 O 4 /α-Ga 2 O 3 ... and • OH radicals. The novel synthesized heterojunction nanophotocatalyst (CoFe 2 O 4 /α-Ga 2 O 3 ) ...
Tópico(s): Luminescence Properties of Advanced Materials
2021 - Elsevier BV | Journal of environmental chemical engineering
Hua Fang, Xueyong Guo, Wei Wang, Jianxin Nie, Kehua Han, Chengcheng Wu, Shuji Wang, Di Wang, Peng Deng,
... In this paper, the thermal catalytic effects of CoFe-layered double hydroxide derivative on the molecular perovskite ... study, we successfully prepared a new type of CoFe-based photothermal agent (CoFe-500) by heating CoFe layered double hydroxide nanosheets in an Ar atmosphere ... the micromorphology, structure composition, thermal decomposition performances of CoFe-500 and DAP-4/CoFe-500 composite were characterized. The experimental results showed that with the addition of CoFe-500, the initial decomposition temperature and peak exothermic ...
Tópico(s): Energetic Materials and Combustion
2021 - Elsevier BV | Vacuum
Shuai Zhang, Shuangrun Zhao, Shunjiang Huang, Bin Hu, Minghua Wang, Zhihong Zhang, Linghao He, Miao Du,
... visible light was proposed. The hybrids (denoted by CoFe@NSC) of CoFe alloy and N/S-codoped mesoporous carbon were obtained by annealing CoFe Prussian blue analogue (CoFe PBA) nanocubes under different temperatures using thioacetamide as the N and S resource. The CoFe@NSC photocatalysts show substantially boosted photocatalytic activity for OTC degradation compared with that of the CoFe PBA catalyst. Among the three CoFe@NSC hybrids obtained by pyrolyzing at 800 °C, 900 °C, and 1000 °C, the CoFe@NSC-1000 hybrid at 1000 °C exhibits the ...
Tópico(s): Covalent Organic Framework Applications
2021 - Elsevier BV | Chemical Engineering Journal
Mengke Rong, Hong Zhong, Shuai Wang, Xin Ma, Zhanfang Cao,
... In this paper, La-doped and Ce-doped CoFe LDH was prepared to enhance OER. Experiments show that the OER performance with 25%La-CoFe LDH and 25%Ce-CoFe LDH is better than CoFe LDH. And the oxygen evolution potential of 25%La-CoFe LDH at a current density of 10 mA/ ... 1.547 V, which is far lower than CoFe LDH(1.694 V). And it also has ... or Ce 3+ partially replaces Fe 3+ , the CoFe LDH system has more defects. This may be ... Fe 3+ will affect the electronic structure of CoFe LDH, thereby enhancing the electronic coordination in the ...
Tópico(s): Fuel Cells and Related Materials
2021 - Elsevier BV | Colloids and Surfaces A Physicochemical and Engineering Aspects
Issa Kone, Zubair Ahmad, Ao Xie, Lingpo Kong, Yang Tang, Yanzhi Sun, Yongmei Chen, Xiao Jin Yang, Pingyu Wan,
... nanotube (NCNT)‐embedded with two phases of bimetal CoFe alloys and CoFe 2 O 4 spinel oxide are constructed, using ... iron acetates mass ratio (1:1) denoted as CoFe–CoFe 2 O 4 –NCNT not only exceeds Pt– ... versus RHE) at 10 mA cm −2 . Therefore, CoFe–CoFe 2 O 4 –NCNT exhibits a smaller value ... the Pt–Ru/C commercial catalyst. In addition, CoFe–CoFe 2 O 4 –NCNT applied as a bifunctional ...
Tópico(s): Fuel Cells and Related Materials
2021 - Wiley | Energy Technology
Yong Yang, Farman Ali, Amir Said, Nisar Ali, Sohrab Ahmad, Fazal Raziq, Sajid Khan,
... high‐performance hybrid nanocomposites. Herein, the cobalt ferrite (CoFe 2 O 4 ) nanofiller was synthesized via coprecipitation ... 3 , CoSO 4 , and triethylene glycol. The obtained CoFe 2 O 4 nanoparticles were thermally treated at 600°C for 5 hours. As prepared, the CoFe 2 O 4 nanoparticles were surface functionalized with 3‐(triethoxysilyl) propylamine (APTES). The modified CoFe 2 O 4 nanoparticles were used as reinforcement during the fabrication of epoxy‐based CoFe 2 O 4 nanocomposite. The synthesized nanofillers and ...
Tópico(s): Advancements in Battery Materials
2020 - Wiley | Polymer Composites
Li Wang, Simin Xu, Xueting Yang, Shan He, Shanyue Guan, Geoffrey I. N. Waterhouse, Shuyun Zhou,
... Herein, we successfully fabricated a series of novel CoFe-based photothermal agents (CoFe-x) by heating CoFe-layered double hydroxide (CoFe-LDH) nanosheets at different temperatures (x) between 200–800 °C under a Ar atmosphere. The CoFe-x products differed in their particle size, cobalt defect concentration, and electronic structure, with the CoFe-500 product containing the highest concentration of Co2+ ... that Co2+ defects modify the electronic structure of CoFe-x, narrowing the band gap and thus increasing ...
Tópico(s): Quantum Dots Synthesis And Properties
2020 - American Chemical Society | ACS Applied Materials & Interfaces
Sujin Jo, Sunguk Noh, Kyung‐Ryang Wee, Jun Ho Shim,
Abstract The structural properties of CoFe composites fabricated from inexpensive Co(II) and Fe(III) precursors using a Prussian blue analogue (PBA) strategy without additional reductants were investigated. Microporous CoFe‐200 and microporous/mesoporous CoFe‐550 structures of the CoFe catalysts (CoFe‐PBA) were produced by calcination for 1 h ... 550 °C, respectively. The electrocatalytic activities of the CoFe catalysts produced for the oxygen evolution and reduction ... in alkaline media. The OER measurements revealed the CoFe‐200 catalyst to be superior to CoFe‐PBA ...
Tópico(s): Supercapacitor Materials and Fabrication
2020 - Wiley | ChemElectroChem
Metini Janyasupab, Chen‐Wei Liu, Narong Chanlek, Sirinart Chio‐Srichan, Chamras Promptmas, Werasak Surareungchai,
... present a comparative electrochemical study of cobalt/iron (CoFe) catalyst on nitrogen-doped graphene (NG) for non- ... requirement of strong alkaline addition, catalytic properties of CoFe-NG were assessed by using cyclic voltammetry (CV) ... evaluating at +0.18 V, the sensitivities of CoFe-NG were estimated to be 16.77 (R2 = ... low serum creatinine, respectively. Furthermore, the effects of CoFe on graphene (G) and carbon Vulcan XC-72 ( ... in comparison of NG on the bimetal. Interestingly, CoFe-C showed a good electrochemical trend in glucose ...
Tópico(s): Advanced biosensing and bioanalysis techniques
2019 - Elsevier BV | Sensors and Actuators B Chemical