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Synergistic effect in bimetallic gold catalysts: recent trends and prospects

  • Siphumelele T. Mkhondwane and Viswanadha Srirama Rajasekhar Pullabhotla ORCID logo EMAIL logo
Published/Copyright: April 21, 2023
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Physical Sciences Reviews
From the journal Physical Sciences Reviews Volume 9 Issue 3

Abstract

Bimetallic gold (Au) catalysts present an exceptional development trend toward enhancing the catalytic efficiency of the Au based catalysts. The aim of this review is to provide an insight into synergic effect of the bimetallic Au catalysts in enhancing the efficiency of various processes. The review covers some important aspects involving the effect of particle size, composition, metal-support interaction, morphology and the interaction between Au atom and the secondary metal on catalytic properties of the bimetallic Au catalysts. Particularly, the effect of the core–shell and faceted bimetallic Au catalysts morphologies are clearly articulated in the introduction. In the next section, various spectroscopic and microscopic characterization techniques, which often form a basis for the discussion of the synergic effect of the catalysts in enhancing the process efficiency are also discussed. Finally, we provide a summary on the progress made in catalytic exploration of bimetallic Au catalysts focusing in oxidation of hydrocarbons, fuel cell processes, oxidative transformation of the biomass derived products and photocatalysis.

Keywords: bimetallic Au nanoparticles; catalytic processes; synergic effect
Corresponding author: Viswanadha Srirama Rajasekhar Pullabhotla, Department of Chemistry, University of Zululand, Private Bag X1001, Kwa-Dlangezwa 3886, South Africa, E-mail:

Funding source: National Research Foundation

Award Identifier / Grant number: Incentive Fund Grant (Grant No: 103691)

Award Identifier / Grant number: Research Developmental Grant (112145)

Award Identifier / Grant number: Research Developmental Grant for Rated Researchers

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: Rajasekhar Pullabhotla would like to acknowledge the National Research Foundation (NRF, South Arica) for the financial support in the form of the Incentive Fund Grant (Grant No: 103691) and Research Developmental Grant for Rated Researchers (112145).

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2022-10-10
Accepted: 2023-02-08
Published Online: 2023-04-21

© 2023 Walter de Gruyter GmbH, Berlin/Boston

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  6. Mechanical degradation of sugar palm crystalline nanocellulose reinforced thermoplastic sugar palm starch (TPS)/poly (lactic acid) (PLA) blend bionanocomposites in aqueous environments
  7. Computational design of the novel building blocks for the metal-organic frameworks based on the organic ligand protected Cu4 cluster
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  10. Triterpenoids of antibacterial extracts from the leaves of Bersama abyssinica Fresen (Francoaceae)
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DOI:  doi.org/10.1515/psr-2022-0269
Keywords for this article
bimetallic Au nanoparticles; catalytic processes; synergic effect

Articles in the same Issue

  1. Frontmatter
  2. Reviews
  3. Modern analytical approach in biopolymer characterization
  4. Development of nanocellulose fiber reinforced starch biopolymer composites: a review
  5. Recent developments in sago starch thermoplastic bio-composites
  6. Mechanical degradation of sugar palm crystalline nanocellulose reinforced thermoplastic sugar palm starch (TPS)/poly (lactic acid) (PLA) blend bionanocomposites in aqueous environments
  7. Computational design of the novel building blocks for the metal-organic frameworks based on the organic ligand protected Cu4 cluster
  8. Highly functional nanocellulose-reinforced thermoplastic starch-based nanocomposites
  9. Spectral peak areas do not vary according to spectral averaging scheme used in functional MRS experiments at 3 T with interleaved visual stimulation
  10. Triterpenoids of antibacterial extracts from the leaves of Bersama abyssinica Fresen (Francoaceae)
  11. Immediate effects of atrazine application on soil organic carbon and selected macronutrients and amelioration by sawdust biochar pretreatment
  12. Process configuration of combined ozonolysis and anaerobic digestion for wastewater treatment
  13. Concentration levels and risk assessment of organochlorine and organophosphate pesticide residue in selected cereals and legumes sold in Anambra State, south-eastern Nigeria
  14. XRD and cytotoxicity assay of submitted nanomaterial industrial samples in the Philippines
  15. Comparative study of the photocatalytic degradation of tetracycline under visible light irradiation using Bi24O31Br11-anchored carbonaceous and silicates catalyst support
  16. Xanthoangelol, geranilated chalcone compound, isolation from pudau leaves (Artocarpus kemando Miq.) as antibacterial and anticancer
  17. Barley thermoplastic starch nanocomposite films reinforced with nanocellulose
  18. Integration of chemo- and bio-catalysis to intensify bioprocesses
  19. Fabrication of starch-based packaging materials
  20. Potato thermoplastic starch nanocomposite films reinforced with nanocellulose
  21. Review on sago thermoplastic starch composite films reinforced with nanocellulose
  22. Wheat thermoplastic starch composite films reinforced with nanocellulose
  23. Synergistic effect in bimetallic gold catalysts: recent trends and prospects
  24. Simultaneous removal of methylene blue, copper Cu(II), and cadmium Cd(II) from synthetic wastewater using fennel-based adsorbents
  25. The investigation of the physical properties of an electrical porcelain insulator manufactured from locally sourced materials
  26. Concentration evaluation and risk assessment of pesticide residues in selected vegetables sold in major markets of Port Harcourt South-South Nigeria
  27. Detection of iodine in aqueous extract of plants through modified Mohr’s method
  28. Exploration of bioactive compounds from Mangifera indica (Mango) as probable inhibitors of thymidylate synthase and nuclear factor kappa-B (NF-Κb) in colorectal cancer management
  29. A new sphingoid derivative from Acacia hockii De Wild (Fabaceae) with antimicrobial and insecticidal properties
  30. Protection of wood against bio-attack and research of new effective and environmental friendly fungicides
  31. Computational investigation of Arbutus serratifolia Salisb molecules as new potential SARS-CoV-2 inhibitors
  32. Exploring the solvation of water molecules around radioactive elements in nuclear waste water treatment
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