Showing 781 - 800 results of 1,089 for search '"catalyst"', query time: 0.06s Refine Results
  1. 781

    Effect of Nitrogen-Doped Carbon Dots (NCDs) on the Characteristics of NCD/MIL-53(Fe) Composite and Its Photocatalytic Performance for Methylene Blue Degradation under Visible Light by Ngoc Tue Nguyen, Xuan Truong Nguyen, Duc-Trung Nguyen, Hong Minh Tran, Thi May Nguyen, Thuong Quang Tran

    Published 2021-01-01
    “…Compared with pristine MIL-53(Fe), the M-140 was more visibly light-responsive, and its calculated band gap energy was approximately 2.3 eV. In addition, M-140 catalyst also displayed more excellent photocatalytic activity for Methylene Blue degradation in a pH range from 5 to 7. …”
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  2. 782

    Microwave-Assisted Synthesis of CuO Nanoparticles Using Cordia africana Lam. Leaf Extract for 4-Nitrophenol Reduction by Aklilu Guale Bekru, Osman Ahmed Zelekew, Dinsefa Mensur Andoshe, Fedlu Kedir Sabir, Rajalakshmanan Eswaramoorthy

    Published 2021-01-01
    “…We also evaluated the catalytic performance of CuO NPs against 4-nitrophenol (4-NP) reduction. The catalyst has shown excellent performance completing the reaction within 12 min. …”
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    Article
  3. 783

    Deconstructing the Politics of Linguistic Mutation in Tom Stoppard’s Dogg’s Hamlet, Cahoot’s Macbeth by Sarra Jouini

    Published 2024-09-01
    “…This new linguistic transformation acts as a catalyst for social and political change, resisting surveillance and censorship of free speech. …”
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    Article
  4. 784

    Integrated electrocatalytic synthesis of ammonium nitrate from dilute NO gas on metal organic frameworks-modified gas diffusion electrodes by Donglai Pan, Muthu Austeria P, Shinbi Lee, Ho-sub Bae, Fei He, Geun Ho Gu, Wonyong Choi

    Published 2024-08-01
    “…Theoretical calculations predict favorable transfer of adsorbed NO from the adsorption layer to the catalyst layer, which is experimentally confirmed by enhanced NO mass transfer from gas to electrolyte across the modified electrode. …”
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  5. 785

    Copper Sulfide Catalyzed Porous Fluorine-Doped Tin Oxide Counter Electrode for Quantum Dot-Sensitized Solar Cells with High Fill Factor by Satoshi Koyasu, Daiki Atarashi, Etsuo Sakai, Masahiro Miyauchi

    Published 2017-01-01
    “…In the present research, we demonstrate the improvement of the resistance by optimization of surface area and amount of catalyst of the counter electrode. A facile chemical synthesis was used to fabricate a composite counter electrode consisting of fluorine-doped tin oxide (FTO) powder and CuS nanoparticles. …”
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    Article
  6. 786

    Internet of things enabled smart agriculture: Current status, latest advancements, challenges and countermeasures by Navod Neranjan Thilakarathne, Muhammad Saifullah Abu Bakar, Pg Emeroylariffion Abas, Hayati Yassin

    Published 2025-02-01
    “…Nonetheless, the COVID-19 global pandemic served as a catalyst for change in the agriculture industry, driving a shift toward greater reliance on technology over traditional labor for agricultural tasks. …”
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    Article
  7. 787

    Preparation and Electrocatalytic Performance of Bi-Modified Quartz Column Particle Electrode for Phenol Degradation by Jiguo Huang, Haitao Chen, Shuo Pang, Gang Liu, Huanyu Cui, Lili Dong, Xingjuan Liu

    Published 2015-01-01
    “…Quartz column is a good kind of catalyst carrier with the characteristics of high mechanical strength and good stability. …”
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  8. 788

    The Hydrolysis of Carbonyl Sulfide at Low Temperature: A Review by Shunzheng Zhao, Honghong Yi, Xiaolong Tang, Shanxue Jiang, Fengyu Gao, Bowen Zhang, Yanran Zuo, Zhixiang Wang

    Published 2013-01-01
    “…It was indicated that the catalysts are mainly involved metal oxide and activated carbon. …”
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  9. 789

    Influence of Zn in the CdS Crystal Lattice and Its Impact over the Catalytic Activity in the H2 Production by Luis Fernando Morelos-Medina, Rufino Nava-Mendoza, Carlos Martín Cortés-Romero, Rodrigo Rafael Velázquez-Castillo, J. Santos-Cruz, María de los Ángeles Cuán-Hernandez

    Published 2022-01-01
    “…For the water splitting to hydrogen production, the separation of the charge carriers promoted by the incorporation of Zn in addition to the shallow trap emissions generated defects in the catalyst structure; such processes are important factors found which increased with the sonochemical method, as well as the potential matched positions.…”
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  10. 790

    Synthesis and characterization of original fluorinated bis-cyclic carbonates and xanthates from a fluorinated epoxide by Alaaeddine, Ali, Ladmiral, Vincent, El Malti, Wassim, Haydar, Lolwa, Caillol, Sylvain, Améduri, Bruno

    Published 2023-02-01
    “…In this work, the cycloaddition of CX2 with hexafluoropropene oxide (HFPO) was performed in the presence of a lithium bromide (LiBr) catalyst and optimized in terms of temperature, solvent, pressure, and reaction time. …”
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  11. 791

    Transition Metal-Mediated Preparation of Nitrogen-Doped Porous Carbon for Advanced Zinc-Ion Hybrid Capacitors by Mingcheng Li, Zheng Liu, Dan Wu, Huihao Wu, Kuikui Xiao

    Published 2025-01-01
    “…Incorporating transition metal catalysts like Ni, Co, and Fe alters the morphology, pore structure, graphitization degree, and nitrogen doping types/proportions. …”
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  12. 792

    Preparation and Application of Mesoporous Nanotitania Photocatalysts Using Different Templates and pH Media by S. M. Abdel-Azim, A. K. Aboul-Gheit, S. M. Ahmed, D. S. El-Desouki, M. S. A. Abdel-Mottaleb

    Published 2014-01-01
    “…The data obtained indicate that the surface area and pore volume of the current catalysts are the most effective factors for photocatalytic performance. …”
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  13. 793

    Atomically thin high-entropy oxides via naked metal ion self-assembly for proton exchange membrane electrolysis by Tao Zhang, Qingyi Liu, Haoming Bao, Mingyue Wang, Nana Wang, Bao Zhang, Hong Jin Fan

    Published 2025-01-01
    “…Abstract Designing efficient Ruthenium-based catalysts as practical anodes is of critical importance in proton exchange membrane water electrolysis. …”
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  14. 794

    Densely populated macrocyclic dicobalt sites in ladder polymers for low-overpotential oxygen reduction catalysis by Zhen Zhang, Zhenyu Xing, Xianglin Luo, Chong Cheng, Xikui Liu

    Published 2025-01-01
    “…Abstract Dual-atom catalysts featuring synergetic dinuclear active sites, have the potential of breaking the linear scaling relationship of the well-established single-atom catalysts for oxygen reduction reaction; however, the design of dual-atom catalysts with rationalized local microenvironment for high activity and selectivity remains a great challenge. …”
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  15. 795

    Enhanced Visible Light Photocatalytic Activity of Mesoporous Anatase TiO2 Codoped with Nitrogen and Chlorine by Xiuwen Cheng, Xiujuan Yu, Zipeng Xing, Lisha Yang

    Published 2012-01-01
    “…It was found that N-Cl-TiO2 catalyst exhibited higher visible light photocatalytic activity than that of P25 TiO2 and N-TiO2, which was attributed to the small crystallite size, intense light absorption in visible region, and narrow band gap.…”
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  16. 796

    Use of aldol condensation between furfural and acetone for biofuel production: A review by Tayla Luiza Pereira Borges, Rejane de Castro Santana, André Gustavo Sato, Fábio de Ávila Rodrigues

    Published 2024-12-01
    “…This study emphasizes the critical role of catalysts, particularly heterogeneous catalysts, in increasing the efficiency and selectivity of these reactions. …”
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  17. 797

    Rapid Joule-heating synthesis of metal/carbon-based electrocatalysts for efficient carbon dioxide reduction by Weijian Guo, Xueying Cao, Ao Zhou, Wenwen Cai, Jintao Zhang

    Published 2025-01-01
    “…Additionally, nitrogen doping can significantly enhance the electronic conductivity of the carbon matrix and strengthen the metal-carbon interactions, thereby synergistically improving catalyst performance. When used as electrocatalysts for electrocatalytic CO2 reduction, bismuth-, indium-, and tin/carbon-carrier-based catalysts exhibit excellent Faraday efficiencies of 92.8%, 86.4%, and 73.3%, respectively, for formate generation in flow cells. …”
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  18. 798

    Efficient ZrO(NO3)2.2H2O Catalyzed Synthesis of 1H-Indazolo[1,2-b] phthalazine-1,6,11(13H)-triones and Electronic Properties Analyses, Vibrational Frequencies, NMR Chemical Shift A... by Forozan Piryaei, Nahid Shajari, Hooriye Yahyaei

    Published 2020-01-01
    “…The synthesis of 1H-indazolo[1,2-b]phthalazine-1,6,11(13H)-trione derivatives, using one-pot three-component condensation reaction of 3-nitrophthalic anhydride, hydrazine monohydrate, dimedone, and aromatic aldehydes in the presence of ZrO(NO3)2.2H2O as the novel catalyst and in reflux conditions in EtOH was reported. …”
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  19. 799
  20. 800

    Catalytic efficiency of GO-PANI nanocomposite in the synthesis of N-Aryl-1,4-Dihydropyridine and hydroquinoline derivatives by Hossein Ghafuri, Moghadaseh keshvari, Fatemeh Eshrati, Peyman Hanifehnejad, Atefeh Emami, Hamid Reza Esmaili Zand

    Published 2025-01-01
    “…This findings indicate that the GO-PANI nanocomposite is a promising non-metal catalyst for the synthesis of N-aryl-1,4-dihydropyridine and hydroquinoline derivatives.…”
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    Article