Showing 121 - 140 results of 278 for search '"transition metal"', query time: 0.05s Refine Results
  1. 121

    Electrocatalytic and Photocatalytic N<sub>2</sub> Fixation Using Carbon Catalysts by Changchun Xu, Hongli Su, Shuaifei Zhao, Azadeh Nilghaz, Kunning Tang, Luxiang Ma, Zhuo Zou

    Published 2025-01-01
    “…These properties significantly enhance electrocatalytic and photocatalytic nitrogen reduction reaction (NRR) activity. While transition metal-based catalysts have solved the kinetic constraints to activate nitrogen bonds via the donation-back-π approach, there is a problem: the d-orbital electrons of these transition metal atoms tend to generate H-metal bonds, inadvertently amplifying unwanted HER. …”
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  2. 122

    Defect state enhanced nonlinear absorption and optical limiting behaviour of erbium doped silver molybdate nanostructures by B. Binish, K. Mani Rahulan, T. C. Sabari Girisun, Nisha S. Panicker

    Published 2025-01-01
    “…Abstract Transition metal based optical limiting materials have garnered significant attention due their crucial role in protecting sensitive optical system from high intense laser damage. …”
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  3. 123

    Recent insights into the transformative role of Graphene‐based/TiO2 electron transport layers for perovskite solar cells by T. Sewela, R. O. Ocaya, T. D. Malevu

    Published 2025-01-01
    “…However, in practice, they face practical limitations due to suboptimal electron transport, inadequate hole‐suppression, photocatalytic instability, and susceptibility to other environmental factors. Many transition metal oxides such as ZnO and TiO2 have important excitonic properties that make them good electron transport layer (ETL) materials in PSCs. …”
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  4. 124

    Studies of Metal Organic Networks via M-Polynomial-Based Topological Indices by Muhammad Tanveer Hussain, Muhammad Javaid, Sajida Parveen, Hafiz Muhammad Awais, Md Nur Alam

    Published 2022-01-01
    “…In this article, we study transition metal tetra-cyano-benzene organic networks by computing their M-polynomials and various topological indices (TIs). …”
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  5. 125

    Using Statistical Analysis as an Additional Tool in Porous Solid Characterization by Christothea Attipa, Antonia Panayiotou, Rebecca Kokkinofta, Charis R. Theocharis

    Published 2011-05-01
    “…During the past several years, we have carried out a systematic study of the factors affecting the pore structure and surface chemistry of cerium oxide and of mixed oxides of cerium with various transition metal or alkaline earth metal ions.…”
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  6. 126

    Surface Active Sites of Modified Zeolites and Zirconia in the Conversion of Nitrogen(I, II) Oxides by Svetlana M. Orlyk, Tatyana V. Mironyuk, Tatyana M. Boichuk

    Published 2007-02-01
    “…Samples of zirconia doped with transition metal (Cr, Co, Ce) oxides, and also rhodium-promoted and Fe-containing zeolites of different structural types, were studied by NH 3 -TPD and IR spectroscopy. …”
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  7. 127

    Synthesis, Characterizations and Antimicrobial Activity of Metal Complexes of 2-(2-Furanylmethylaminocarbonyl)benzoic Acid by R. H. Patel, B. L. Hiran

    Published 2011-01-01
    “…The ligand, 2-(2-furanylmethylaminocarbonyl)benzoic acid (FMBA) and it’s transition metal complexes have been synthesized and characterized by elemental analysis, spectral studies, magnetic moments and thermal studies. …”
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  8. 128

    A Comparative Study of Antibacterial Activity of CuO/Ag and ZnO/Ag Nanocomposites by R. B. Asamoah, E. Annan, B. Mensah, P. Nbelayim, V. Apalangya, B. Onwona-Agyeman, A. Yaya

    Published 2020-01-01
    “…The synergistic effects of transition metal based nanocomposites are known to possess enhanced antibacterial activities. …”
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  9. 129

    Recent advances in electrochemical copper catalysis for modern organic synthesis by Yemin Kim, Won Jun Jang

    Published 2025-01-01
    “…Combining electrochemistry with transition-metal catalysis is a promising and rapidly growing methodology for effectively forming challenging C–C and C–heteroatom bonds in complex molecules in a sustainable manner. …”
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  10. 130

    Synthesis, Characterization, Chelating Properties and Anti-Fungal Activity of 2-(4-Phenylpiperazinyl) Methyl-3-(8-Quinolinol-5-YL)- 4(3H)-Quinazolinone by C. D. Shelat, R. T. Vashi

    Published 2005-01-01
    “…A new quinazolinone derivative namely 2-(4-phenylpiperazinyl)methyl-3-(8-quinolinol-5-yl)- 4(3h)-quinazolinone(HL) was prepared and characterized. Various transition metal (Cu2+, Co2+, Ni2+, Zn2+, Mn2+) chelates of HL were prepared and characterized by metal ligand (M:L) ratio, IR and reflectance spectral studies, magnetic moment, and antimicrobial activity.…”
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  11. 131

    Metal Complexation Studies of 1-(4-Carboxy-3-hydroxy-N-methyl phenyl- amino methyl) 2-methyl perimidine by Umang N. Patel, Arun Singh

    Published 2009-01-01
    “…The resultant compound was designed as 1-(4-caroxy-3-hydroxy-N-methyl phenylamino methyl)2-methyl perimidine. The transition metal complexes of Cu2+, Co2+, Ni2+, Mn2+ and Zn2+ have been prepared and characterized by elemental analysis, spectral studies, magnetic moment determination, molar conductivity measurement and antimicrobial activity.…”
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  12. 132

    Advances in the Preparation of Fluorinated Isoquinolines: A Decade of Progress by Joseph C. Sloop

    Published 2017-01-01
    “…This review examines recent noncatalyzed and transition metal catalyzed synthetic approaches to the assembly of isoquinoline derivatives that are ring-fluorinated and/or result in the incorporation of fluorine-containing functional groups. …”
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  13. 133

    Component regulation and high-entropy engineering for enhanced antioxidant and high-temperature mechanical properties of protective films by Shan Wang, Rui Zhang, Mengya Yuan, Xinlei Gu, Tao Zhou, Mao Wen, Kan Zhang

    Published 2025-01-01
    “…Transition metal nitrides (TMNs) have gained widespread application in protecting structural components due to their high strength and hardness. …”
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  14. 134

    A Review on Synthesis, Properties, and Environmental Application of Fe-Based Perovskite by G. Jayanthi, Sowrirajan Sumathi, Karthik Kannan, V. Andal, Sivaraj Murugan

    Published 2022-01-01
    “…This review highlights and provides an overview of the transition metal substituent in Fe-based Perovskite and its properties and how it influences its application in wastewater treatment and catalysis. …”
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  15. 135

    Synthesis of Heterogeneous Copper Catalyst Based on Amino-Functionalized Triazine Rings Supported by Silica-Gel for Oxidation of Alcohols by Majid Kolahdoozan, Roozbeh Javad Kalbasi, Mahshid Hossaini

    Published 2013-01-01
    “…The copper (II) content of the material was determined by atomic absorption. This novel transition metal supported on heterogeneous surface was used as an effective catalyst for oxidation of benzylic alcohols in the presence of H2O2. …”
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  16. 136

    DNA Binding and Cleavage Activity of Binuclear Metal Complexes with Benzil-α-Monoxime Thiosemicarbzone by M. S. Surendra Babu, T. B. Patrudu, K. Hussain Reddy

    Published 2011-01-01
    “…Transition metal complexes of copper(II), nickel(II), cobalt(II) and iron(II) with benzil-α-monoxime thiosemicarbazone (BMOT) have been synthesized and characterized by molar conductance, magnetic moments, IR, electronic and ESR spectroscopy. …”
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  17. 137

    Electrocatalytic Oxidation and Determination of Cysteine at Oxovanadium(IV) Salen Coated Electrodes by Piyush Kumar Sonkar, Vellaichamy Ganesan, Vijay Rao

    Published 2014-01-01
    “…A transition metal complex, oxovanadium(IV) salen (where salen represents N,N′-bis(salicylidene)ethylenediamine) is immobilized on glassy carbon (GC) electrodes and utilized for electrocatalytic oxidation of cysteine. …”
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  18. 138

    Biomimetic Approach to CO2 Reduction by Ilaria Gamba

    Published 2018-01-01
    “…Besides, effective catalysts are also demanded to capture atmospheric CO2, mitigating the effects of its constantly increasing emission. Biomimetic transition metal complexes are considered ideal platforms to develop efficient and selective catalysts to be implemented in electrocatalytic and photocatalytic devices. …”
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  19. 139

    Analysis of Topological Aspects for Metal-Insulator Transition Superlattice Network by Rongbing Huang, M.H. Muhammad, M.K. Siddiqui, S. Khalid, S. Manzoor, E. Bashier

    Published 2022-01-01
    “…Also, Metal-Insulator Transition Superlattice (GST–SL) is useful in form of a thin film to utilize as two-dimensional (2D) transition metal dichalcogenides (TMDs). Moreover, we have defined the computed-based bond properties such as the degree constructed topological indices and their heat of formation for single crystal and monolayered structure of Ge-Sb-Te. …”
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  20. 140

    Acid-Catalyzed, Metal- and Oxidant-Free C=C Bond Cleavage of Enaminones: One-Pot Synthesis of 3,4-Dihydroquinazolines by Ting Chen, Ting Huang, Moudan Ye, Jinhai Shen

    Published 2025-01-01
    “…This method operates in ethanol under transition-metal-free and oxidant-free conditions, offering a sustainable and efficient approach for the synthesis of 3,4-dihydroquinazolines with broad functional group tolerance.…”
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